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authorSimon Josefsson <simon@josefsson.org>2008-10-30 15:38:09 +0100
committerSimon Josefsson <simon@josefsson.org>2008-10-30 15:38:09 +0100
commit745b4f0f51dcd992f4ae105d29fff227a383f893 (patch)
treebd560ba84815935f1a9376001b1b3e6f96b3adfc /gl
parent27e0bf81d07528ada93ceb0c5c8839a7cd83fb7e (diff)
downloadgnutls-745b4f0f51dcd992f4ae105d29fff227a383f893.tar.gz
Update gnulib files.
Diffstat (limited to 'gl')
-rw-r--r--gl/alloca.in.h56
-rw-r--r--gl/asnprintf.c35
-rw-r--r--gl/errno.in.h155
-rw-r--r--gl/float+.h148
-rw-r--r--gl/float.in.h62
-rw-r--r--gl/fseeko.c113
-rw-r--r--gl/gettext.h270
-rw-r--r--gl/lseek.c62
-rw-r--r--gl/m4/alloca.m446
-rw-r--r--gl/m4/errno_h.m4113
-rw-r--r--gl/m4/float_h.m419
-rw-r--r--gl/m4/fseeko.m434
-rw-r--r--gl/m4/intmax_t.m461
-rw-r--r--gl/m4/inttypes_h.m426
-rw-r--r--gl/m4/longlong.m4106
-rw-r--r--gl/m4/lseek.m450
-rw-r--r--gl/m4/malloc.m441
-rw-r--r--gl/m4/printf.m41309
-rw-r--r--gl/m4/realloc.m423
-rw-r--r--gl/m4/size_max.m468
-rw-r--r--gl/m4/snprintf.m440
-rw-r--r--gl/m4/sockpfaf.m458
-rw-r--r--gl/m4/stdbool.m4115
-rw-r--r--gl/m4/stdint.m4395
-rw-r--r--gl/m4/stdint_h.m426
-rw-r--r--gl/m4/stdio_h.m4127
-rw-r--r--gl/m4/stdlib_h.m462
-rw-r--r--gl/m4/string_h.m492
-rw-r--r--gl/m4/sys_socket_h.m4117
-rw-r--r--gl/m4/unistd_h.m481
-rw-r--r--gl/m4/vasnprintf.m4260
-rw-r--r--gl/m4/wchar.m469
-rw-r--r--gl/m4/wchar_t.m420
-rw-r--r--gl/m4/wint_t.m428
-rw-r--r--gl/m4/xsize.m413
-rw-r--r--gl/printf-args.c187
-rw-r--r--gl/printf-args.h154
-rw-r--r--gl/printf-parse.c627
-rw-r--r--gl/printf-parse.h179
-rw-r--r--gl/realloc.c87
-rw-r--r--gl/size_max.h31
-rw-r--r--gl/snprintf.c72
-rw-r--r--gl/stdbool.in.h119
-rw-r--r--gl/stdint.in.h525
-rw-r--r--gl/stdio-impl.h94
-rw-r--r--gl/stdio-write.c148
-rw-r--r--gl/stdio.in.h492
-rw-r--r--gl/stdlib.in.h377
-rw-r--r--gl/string.in.h605
-rw-r--r--gl/sys_socket.in.h403
-rw-r--r--gl/tests/dummy.c42
-rw-r--r--gl/tests/test-alloca-opt.c62
-rw-r--r--gl/tests/test-errno.c117
-rw-r--r--gl/tests/test-fseeko.c65
-rwxr-xr-xgl/tests/test-fseeko.sh5
-rw-r--r--gl/tests/test-lseek.c103
-rwxr-xr-xgl/tests/test-lseek.sh17
-rw-r--r--gl/tests/test-snprintf.c72
-rw-r--r--gl/tests/test-stdbool.c95
-rw-r--r--gl/tests/test-stdint.c360
-rw-r--r--gl/tests/test-stdio.c30
-rw-r--r--gl/tests/test-stdlib.c37
-rw-r--r--gl/tests/test-string.c27
-rw-r--r--gl/tests/test-sys_socket.c47
-rw-r--r--gl/tests/test-unistd.c44
-rw-r--r--gl/tests/test-vasnprintf.c128
-rw-r--r--gl/tests/test-wchar.c31
-rw-r--r--gl/tests/verify.h140
-rw-r--r--gl/unistd.in.h553
-rw-r--r--gl/vasnprintf.c4887
-rw-r--r--gl/vasnprintf.h81
-rw-r--r--gl/wchar.in.h101
-rw-r--r--gl/xsize.h108
73 files changed, 15552 insertions, 0 deletions
diff --git a/gl/alloca.in.h b/gl/alloca.in.h
new file mode 100644
index 0000000000..6269607a47
--- /dev/null
+++ b/gl/alloca.in.h
@@ -0,0 +1,56 @@
+/* Memory allocation on the stack.
+
+ Copyright (C) 1995, 1999, 2001-2004, 2006-2008 Free Software
+ Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public
+ License along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+ USA. */
+
+/* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H
+ means there is a real alloca function. */
+#ifndef _GL_ALLOCA_H
+#define _GL_ALLOCA_H
+
+/* alloca (N) returns a pointer to N bytes of memory
+ allocated on the stack, which will last until the function returns.
+ Use of alloca should be avoided:
+ - inside arguments of function calls - undefined behaviour,
+ - in inline functions - the allocation may actually last until the
+ calling function returns,
+ - for huge N (say, N >= 65536) - you never know how large (or small)
+ the stack is, and when the stack cannot fulfill the memory allocation
+ request, the program just crashes.
+ */
+
+#ifndef alloca
+# ifdef __GNUC__
+# define alloca __builtin_alloca
+# elif defined _AIX
+# define alloca __alloca
+# elif defined _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
+# elif defined __DECC && defined __VMS
+# define alloca __ALLOCA
+# else
+# include <stddef.h>
+# ifdef __cplusplus
+extern "C"
+# endif
+void *alloca (size_t);
+# endif
+#endif
+
+#endif /* _GL_ALLOCA_H */
diff --git a/gl/asnprintf.c b/gl/asnprintf.c
new file mode 100644
index 0000000000..bf2abf3c9d
--- /dev/null
+++ b/gl/asnprintf.c
@@ -0,0 +1,35 @@
+/* Formatted output to strings.
+ Copyright (C) 1999, 2002, 2006 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <config.h>
+
+/* Specification. */
+#include "vasnprintf.h"
+
+#include <stdarg.h>
+
+char *
+asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
+{
+ va_list args;
+ char *result;
+
+ va_start (args, format);
+ result = vasnprintf (resultbuf, lengthp, format, args);
+ va_end (args);
+ return result;
+}
diff --git a/gl/errno.in.h b/gl/errno.in.h
new file mode 100644
index 0000000000..51ac66243e
--- /dev/null
+++ b/gl/errno.in.h
@@ -0,0 +1,155 @@
+/* A POSIX-like <errno.h>.
+
+ Copyright (C) 2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _GL_ERRNO_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+/* The include_next requires a split double-inclusion guard. */
+#@INCLUDE_NEXT@ @NEXT_ERRNO_H@
+
+#ifndef _GL_ERRNO_H
+#define _GL_ERRNO_H
+
+
+/* On native Windows platforms, many macros are not defined. */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+
+/* POSIX says that EAGAIN and EWOULDBLOCK may have the same value. */
+# define EWOULDBLOCK EAGAIN
+
+/* Values >= 100 seem safe to use. */
+# define ETXTBSY 100
+# define GNULIB_defined_ETXTBSY 1
+
+/* These are intentionally the same values as the WSA* error numbers, defined
+ in <winsock2.h>. */
+# define EINPROGRESS 10036
+# define EALREADY 10037
+# define ENOTSOCK 10038
+# define EDESTADDRREQ 10039
+# define EMSGSIZE 10040
+# define EPROTOTYPE 10041
+# define ENOPROTOOPT 10042
+# define EPROTONOSUPPORT 10043
+# define ESOCKTNOSUPPORT 10044 /* not required by POSIX */
+# define EOPNOTSUPP 10045
+# define EPFNOSUPPORT 10046 /* not required by POSIX */
+# define EAFNOSUPPORT 10047
+# define EADDRINUSE 10048
+# define EADDRNOTAVAIL 10049
+# define ENETDOWN 10050
+# define ENETUNREACH 10051
+# define ENETRESET 10052
+# define ECONNABORTED 10053
+# define ECONNRESET 10054
+# define ENOBUFS 10055
+# define EISCONN 10056
+# define ENOTCONN 10057
+# define ESHUTDOWN 10058 /* not required by POSIX */
+# define ETOOMANYREFS 10059 /* not required by POSIX */
+# define ETIMEDOUT 10060
+# define ECONNREFUSED 10061
+# define ELOOP 10062
+# define EHOSTDOWN 10064 /* not required by POSIX */
+# define EHOSTUNREACH 10065
+# define EPROCLIM 10067 /* not required by POSIX */
+# define EUSERS 10068 /* not required by POSIX */
+# define EDQUOT 10069
+# define ESTALE 10070
+# define EREMOTE 10071 /* not required by POSIX */
+# define GNULIB_defined_ESOCK 1
+
+# endif
+
+
+/* On OSF/1 5.1, when _XOPEN_SOURCE_EXTENDED is not defined, the macros
+ EMULTIHOP, ENOLINK, EOVERFLOW are not defined. */
+# if @EMULTIHOP_HIDDEN@
+# define EMULTIHOP @EMULTIHOP_VALUE@
+# define GNULIB_defined_EMULTIHOP 1
+# endif
+# if @ENOLINK_HIDDEN@
+# define ENOLINK @ENOLINK_VALUE@
+# define GNULIB_defined_ENOLINK 1
+# endif
+# if @EOVERFLOW_HIDDEN@
+# define EOVERFLOW @EOVERFLOW_VALUE@
+# define GNULIB_defined_EOVERFLOW 1
+# endif
+
+
+/* On OpenBSD 4.0 and on native Windows, the macros ENOMSG, EIDRM, ENOLINK,
+ EPROTO, EMULTIHOP, EBADMSG, EOVERFLOW, ENOTSUP, ECANCELED are not defined.
+ Define them here. Values >= 2000 seem safe to use: Solaris ESTALE = 151,
+ HP-UX EWOULDBLOCK = 246, IRIX EDQUOT = 1133.
+
+ Note: When one of these systems defines some of these macros some day,
+ binaries will have to be recompiled so that they recognizes the new
+ errno values from the system. */
+
+# ifndef ENOMSG
+# define ENOMSG 2000
+# define GNULIB_defined_ENOMSG 1
+# endif
+
+# ifndef EIDRM
+# define EIDRM 2001
+# define GNULIB_defined_EIDRM 1
+# endif
+
+# ifndef ENOLINK
+# define ENOLINK 2002
+# define GNULIB_defined_ENOLINK 1
+# endif
+
+# ifndef EPROTO
+# define EPROTO 2003
+# define GNULIB_defined_EPROTO 1
+# endif
+
+# ifndef EMULTIHOP
+# define EMULTIHOP 2004
+# define GNULIB_defined_EMULTIHOP 1
+# endif
+
+# ifndef EBADMSG
+# define EBADMSG 2005
+# define GNULIB_defined_EBADMSG 1
+# endif
+
+# ifndef EOVERFLOW
+# define EOVERFLOW 2006
+# define GNULIB_defined_EOVERFLOW 1
+# endif
+
+# ifndef ENOTSUP
+# define ENOTSUP 2007
+# define GNULIB_defined_ENOTSUP 1
+# endif
+
+# ifndef ECANCELED
+# define ECANCELED 2008
+# define GNULIB_defined_ECANCELED 1
+# endif
+
+
+#endif /* _GL_ERRNO_H */
+#endif /* _GL_ERRNO_H */
diff --git a/gl/float+.h b/gl/float+.h
new file mode 100644
index 0000000000..240fe3658d
--- /dev/null
+++ b/gl/float+.h
@@ -0,0 +1,148 @@
+/* Supplemental information about the floating-point formats.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2007.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _FLOATPLUS_H
+#define _FLOATPLUS_H
+
+#include <float.h>
+#include <limits.h>
+
+/* Number of bits in the mantissa of a floating-point number, including the
+ "hidden bit". */
+#if FLT_RADIX == 2
+# define FLT_MANT_BIT FLT_MANT_DIG
+# define DBL_MANT_BIT DBL_MANT_DIG
+# define LDBL_MANT_BIT LDBL_MANT_DIG
+#elif FLT_RADIX == 4
+# define FLT_MANT_BIT (FLT_MANT_DIG * 2)
+# define DBL_MANT_BIT (DBL_MANT_DIG * 2)
+# define LDBL_MANT_BIT (LDBL_MANT_DIG * 2)
+#elif FLT_RADIX == 16
+# define FLT_MANT_BIT (FLT_MANT_DIG * 4)
+# define DBL_MANT_BIT (DBL_MANT_DIG * 4)
+# define LDBL_MANT_BIT (LDBL_MANT_DIG * 4)
+#endif
+
+/* Bit mask that can be used to mask the exponent, as an unsigned number. */
+#define FLT_EXP_MASK ((FLT_MAX_EXP - FLT_MIN_EXP) | 7)
+#define DBL_EXP_MASK ((DBL_MAX_EXP - DBL_MIN_EXP) | 7)
+#define LDBL_EXP_MASK ((LDBL_MAX_EXP - LDBL_MIN_EXP) | 7)
+
+/* Number of bits used for the exponent of a floating-point number, including
+ the exponent's sign. */
+#define FLT_EXP_BIT \
+ (FLT_EXP_MASK < 0x100 ? 8 : \
+ FLT_EXP_MASK < 0x200 ? 9 : \
+ FLT_EXP_MASK < 0x400 ? 10 : \
+ FLT_EXP_MASK < 0x800 ? 11 : \
+ FLT_EXP_MASK < 0x1000 ? 12 : \
+ FLT_EXP_MASK < 0x2000 ? 13 : \
+ FLT_EXP_MASK < 0x4000 ? 14 : \
+ FLT_EXP_MASK < 0x8000 ? 15 : \
+ FLT_EXP_MASK < 0x10000 ? 16 : \
+ FLT_EXP_MASK < 0x20000 ? 17 : \
+ FLT_EXP_MASK < 0x40000 ? 18 : \
+ FLT_EXP_MASK < 0x80000 ? 19 : \
+ FLT_EXP_MASK < 0x100000 ? 20 : \
+ FLT_EXP_MASK < 0x200000 ? 21 : \
+ FLT_EXP_MASK < 0x400000 ? 22 : \
+ FLT_EXP_MASK < 0x800000 ? 23 : \
+ FLT_EXP_MASK < 0x1000000 ? 24 : \
+ FLT_EXP_MASK < 0x2000000 ? 25 : \
+ FLT_EXP_MASK < 0x4000000 ? 26 : \
+ FLT_EXP_MASK < 0x8000000 ? 27 : \
+ FLT_EXP_MASK < 0x10000000 ? 28 : \
+ FLT_EXP_MASK < 0x20000000 ? 29 : \
+ FLT_EXP_MASK < 0x40000000 ? 30 : \
+ FLT_EXP_MASK <= 0x7fffffff ? 31 : \
+ 32)
+#define DBL_EXP_BIT \
+ (DBL_EXP_MASK < 0x100 ? 8 : \
+ DBL_EXP_MASK < 0x200 ? 9 : \
+ DBL_EXP_MASK < 0x400 ? 10 : \
+ DBL_EXP_MASK < 0x800 ? 11 : \
+ DBL_EXP_MASK < 0x1000 ? 12 : \
+ DBL_EXP_MASK < 0x2000 ? 13 : \
+ DBL_EXP_MASK < 0x4000 ? 14 : \
+ DBL_EXP_MASK < 0x8000 ? 15 : \
+ DBL_EXP_MASK < 0x10000 ? 16 : \
+ DBL_EXP_MASK < 0x20000 ? 17 : \
+ DBL_EXP_MASK < 0x40000 ? 18 : \
+ DBL_EXP_MASK < 0x80000 ? 19 : \
+ DBL_EXP_MASK < 0x100000 ? 20 : \
+ DBL_EXP_MASK < 0x200000 ? 21 : \
+ DBL_EXP_MASK < 0x400000 ? 22 : \
+ DBL_EXP_MASK < 0x800000 ? 23 : \
+ DBL_EXP_MASK < 0x1000000 ? 24 : \
+ DBL_EXP_MASK < 0x2000000 ? 25 : \
+ DBL_EXP_MASK < 0x4000000 ? 26 : \
+ DBL_EXP_MASK < 0x8000000 ? 27 : \
+ DBL_EXP_MASK < 0x10000000 ? 28 : \
+ DBL_EXP_MASK < 0x20000000 ? 29 : \
+ DBL_EXP_MASK < 0x40000000 ? 30 : \
+ DBL_EXP_MASK <= 0x7fffffff ? 31 : \
+ 32)
+#define LDBL_EXP_BIT \
+ (LDBL_EXP_MASK < 0x100 ? 8 : \
+ LDBL_EXP_MASK < 0x200 ? 9 : \
+ LDBL_EXP_MASK < 0x400 ? 10 : \
+ LDBL_EXP_MASK < 0x800 ? 11 : \
+ LDBL_EXP_MASK < 0x1000 ? 12 : \
+ LDBL_EXP_MASK < 0x2000 ? 13 : \
+ LDBL_EXP_MASK < 0x4000 ? 14 : \
+ LDBL_EXP_MASK < 0x8000 ? 15 : \
+ LDBL_EXP_MASK < 0x10000 ? 16 : \
+ LDBL_EXP_MASK < 0x20000 ? 17 : \
+ LDBL_EXP_MASK < 0x40000 ? 18 : \
+ LDBL_EXP_MASK < 0x80000 ? 19 : \
+ LDBL_EXP_MASK < 0x100000 ? 20 : \
+ LDBL_EXP_MASK < 0x200000 ? 21 : \
+ LDBL_EXP_MASK < 0x400000 ? 22 : \
+ LDBL_EXP_MASK < 0x800000 ? 23 : \
+ LDBL_EXP_MASK < 0x1000000 ? 24 : \
+ LDBL_EXP_MASK < 0x2000000 ? 25 : \
+ LDBL_EXP_MASK < 0x4000000 ? 26 : \
+ LDBL_EXP_MASK < 0x8000000 ? 27 : \
+ LDBL_EXP_MASK < 0x10000000 ? 28 : \
+ LDBL_EXP_MASK < 0x20000000 ? 29 : \
+ LDBL_EXP_MASK < 0x40000000 ? 30 : \
+ LDBL_EXP_MASK <= 0x7fffffff ? 31 : \
+ 32)
+
+/* Number of bits used for a floating-point number: the mantissa (not
+ counting the "hidden bit", since it may or may not be explicit), the
+ exponent, and the sign. */
+#define FLT_TOTAL_BIT ((FLT_MANT_BIT - 1) + FLT_EXP_BIT + 1)
+#define DBL_TOTAL_BIT ((DBL_MANT_BIT - 1) + DBL_EXP_BIT + 1)
+#define LDBL_TOTAL_BIT ((LDBL_MANT_BIT - 1) + LDBL_EXP_BIT + 1)
+
+/* Number of bytes used for a floating-point number.
+ This can be smaller than the 'sizeof'. For example, on i386 systems,
+ 'long double' most often have LDBL_MANT_BIT = 64, LDBL_EXP_BIT = 16, hence
+ LDBL_TOTAL_BIT = 80 bits, i.e. 10 bytes of consecutive memory, but
+ sizeof (long double) = 12 or = 16. */
+#define SIZEOF_FLT ((FLT_TOTAL_BIT + CHAR_BIT - 1) / CHAR_BIT)
+#define SIZEOF_DBL ((DBL_TOTAL_BIT + CHAR_BIT - 1) / CHAR_BIT)
+#define SIZEOF_LDBL ((LDBL_TOTAL_BIT + CHAR_BIT - 1) / CHAR_BIT)
+
+/* Verify that SIZEOF_FLT <= sizeof (float) etc. */
+typedef int verify_sizeof_flt[2 * (SIZEOF_FLT <= sizeof (float)) - 1];
+typedef int verify_sizeof_dbl[2 * (SIZEOF_DBL <= sizeof (double)) - 1];
+typedef int verify_sizeof_ldbl[2 * (SIZEOF_LDBL <= sizeof (long double)) - 1];
+
+#endif /* _FLOATPLUS_H */
diff --git a/gl/float.in.h b/gl/float.in.h
new file mode 100644
index 0000000000..9ba2bce4b5
--- /dev/null
+++ b/gl/float.in.h
@@ -0,0 +1,62 @@
+/* A correct <float.h>.
+
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _GL_FLOAT_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+/* The include_next requires a split double-inclusion guard. */
+#@INCLUDE_NEXT@ @NEXT_FLOAT_H@
+
+#ifndef _GL_FLOAT_H
+#define _GL_FLOAT_H
+
+/* 'long double' properties. */
+#if defined __i386__ && (defined __BEOS__ || defined __OpenBSD__)
+/* Number of mantissa units, in base FLT_RADIX. */
+# undef LDBL_MANT_DIG
+# define LDBL_MANT_DIG 64
+/* Number of decimal digits that is sufficient for representing a number. */
+# undef LDBL_DIG
+# define LDBL_DIG 18
+/* x-1 where x is the smallest representable number > 1. */
+# undef LDBL_EPSILON
+# define LDBL_EPSILON 1.0842021724855044340E-19L
+/* Minimum e such that FLT_RADIX^(e-1) is a normalized number. */
+# undef LDBL_MIN_EXP
+# define LDBL_MIN_EXP (-16381)
+/* Maximum e such that FLT_RADIX^(e-1) is a representable finite number. */
+# undef LDBL_MAX_EXP
+# define LDBL_MAX_EXP 16384
+/* Minimum positive normalized number. */
+# undef LDBL_MIN
+# define LDBL_MIN 3.3621031431120935063E-4932L
+/* Maximum representable finite number. */
+# undef LDBL_MAX
+# define LDBL_MAX 1.1897314953572317650E+4932L
+/* Minimum e such that 10^e is in the range of normalized numbers. */
+# undef LDBL_MIN_10_EXP
+# define LDBL_MIN_10_EXP (-4931)
+/* Maximum e such that 10^e is in the range of representable finite numbers. */
+# undef LDBL_MAX_10_EXP
+# define LDBL_MAX_10_EXP 4932
+#endif
+
+#endif /* _GL_FLOAT_H */
+#endif /* _GL_FLOAT_H */
diff --git a/gl/fseeko.c b/gl/fseeko.c
new file mode 100644
index 0000000000..48ff48e141
--- /dev/null
+++ b/gl/fseeko.c
@@ -0,0 +1,113 @@
+/* An fseeko() function that, together with fflush(), is POSIX compliant.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <config.h>
+
+/* Specification. */
+#include <stdio.h>
+
+/* Get off_t and lseek. */
+#include <unistd.h>
+
+#include "stdio-impl.h"
+
+#undef fseeko
+#if !HAVE_FSEEKO
+# undef fseek
+# define fseeko fseek
+#endif
+
+int
+rpl_fseeko (FILE *fp, off_t offset, int whence)
+{
+#if LSEEK_PIPE_BROKEN
+ /* mingw gives bogus answers rather than failure on non-seekable files. */
+ if (lseek (fileno (fp), 0, SEEK_CUR) == -1)
+ return EOF;
+#endif
+
+ /* These tests are based on fpurge.c. */
+#if defined _IO_ferror_unlocked || __GNU_LIBRARY__ == 1 /* GNU libc, BeOS, Linux libc5 */
+ if (fp->_IO_read_end == fp->_IO_read_ptr
+ && fp->_IO_write_ptr == fp->_IO_write_base
+ && fp->_IO_save_base == NULL)
+#elif defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+# if defined __SL64 && defined __SCLE /* Cygwin */
+ if ((fp->_flags & __SL64) == 0)
+ {
+ /* Cygwin 1.5.0 through 1.5.24 failed to open stdin in 64-bit
+ mode; but has an fseeko that requires 64-bit mode. */
+ FILE *tmp = fopen ("/dev/null", "r");
+ if (!tmp)
+ return -1;
+ fp->_flags |= __SL64;
+ fp->_seek64 = tmp->_seek64;
+ fclose (tmp);
+ }
+# endif
+ if (fp_->_p == fp_->_bf._base
+ && fp_->_r == 0
+ && fp_->_w == ((fp_->_flags & (__SLBF | __SNBF | __SRD)) == 0 /* fully buffered and not currently reading? */
+ ? fp_->_bf._size
+ : 0)
+ && fp_ub._base == NULL)
+#elif defined __EMX__ /* emx+gcc */
+ if (fp->_ptr == fp->_buffer
+ && fp->_rcount == 0
+ && fp->_wcount == 0
+ && fp->_ungetc_count == 0)
+#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
+ if (fp_->_ptr == fp_->_base
+ && (fp_->_ptr == NULL || fp_->_cnt == 0))
+#elif defined __UCLIBC__ /* uClibc */
+ if (((fp->__modeflags & __FLAG_WRITING) == 0
+ || fp->__bufpos == fp->__bufstart)
+ && ((fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) == 0
+ || fp->__bufpos == fp->__bufread))
+#elif defined __QNX__ /* QNX */
+ if ((fp->_Mode & _MWRITE ? fp->_Next == fp->_Buf : fp->_Next == fp->_Rend)
+ && fp->_Rback == fp->_Back + sizeof (fp->_Back)
+ && fp->_Rsave == NULL)
+#else
+ #error "Please port gnulib fseeko.c to your platform! Look at the code in fpurge.c, then report this to bug-gnulib."
+#endif
+ {
+ off_t pos = lseek (fileno (fp), offset, whence);
+ if (pos == -1)
+ {
+#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+ fp_->_flags &= ~__SOFF;
+#endif
+ return -1;
+ }
+ else
+ {
+#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+ fp_->_offset = pos;
+ fp_->_flags |= __SOFF;
+ fp_->_flags &= ~__SEOF;
+#elif defined __EMX__ /* emx+gcc */
+ fp->_flags &= ~_IOEOF;
+#elif defined _IOERR /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
+ fp->_flag &= ~_IOEOF;
+#endif
+ return 0;
+ }
+ }
+ else
+ return fseeko (fp, offset, whence);
+}
diff --git a/gl/gettext.h b/gl/gettext.h
new file mode 100644
index 0000000000..763dd3c147
--- /dev/null
+++ b/gl/gettext.h
@@ -0,0 +1,270 @@
+/* Convenience header for conditional use of GNU <libintl.h>.
+ Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _LIBGETTEXT_H
+#define _LIBGETTEXT_H 1
+
+/* NLS can be disabled through the configure --disable-nls option. */
+#if ENABLE_NLS
+
+/* Get declarations of GNU message catalog functions. */
+# include <libintl.h>
+
+/* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
+ the gettext() and ngettext() macros. This is an alternative to calling
+ textdomain(), and is useful for libraries. */
+# ifdef DEFAULT_TEXT_DOMAIN
+# undef gettext
+# define gettext(Msgid) \
+ dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
+# undef ngettext
+# define ngettext(Msgid1, Msgid2, N) \
+ dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
+# endif
+
+#else
+
+/* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
+ chokes if dcgettext is defined as a macro. So include it now, to make
+ later inclusions of <locale.h> a NOP. We don't include <libintl.h>
+ as well because people using "gettext.h" will not include <libintl.h>,
+ and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
+ is OK. */
+#if defined(__sun)
+# include <locale.h>
+#endif
+
+/* Many header files from the libstdc++ coming with g++ 3.3 or newer include
+ <libintl.h>, which chokes if dcgettext is defined as a macro. So include
+ it now, to make later inclusions of <libintl.h> a NOP. */
+#if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
+# include <cstdlib>
+# if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
+# include <libintl.h>
+# endif
+#endif
+
+/* Disabled NLS.
+ The casts to 'const char *' serve the purpose of producing warnings
+ for invalid uses of the value returned from these functions.
+ On pre-ANSI systems without 'const', the config.h file is supposed to
+ contain "#define const". */
+# define gettext(Msgid) ((const char *) (Msgid))
+# define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid))
+# define dcgettext(Domainname, Msgid, Category) \
+ ((void) (Category), dgettext (Domainname, Msgid))
+# define ngettext(Msgid1, Msgid2, N) \
+ ((N) == 1 \
+ ? ((void) (Msgid2), (const char *) (Msgid1)) \
+ : ((void) (Msgid1), (const char *) (Msgid2)))
+# define dngettext(Domainname, Msgid1, Msgid2, N) \
+ ((void) (Domainname), ngettext (Msgid1, Msgid2, N))
+# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
+ ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N))
+# define textdomain(Domainname) ((const char *) (Domainname))
+# define bindtextdomain(Domainname, Dirname) \
+ ((void) (Domainname), (const char *) (Dirname))
+# define bind_textdomain_codeset(Domainname, Codeset) \
+ ((void) (Domainname), (const char *) (Codeset))
+
+#endif
+
+/* A pseudo function call that serves as a marker for the automated
+ extraction of messages, but does not call gettext(). The run-time
+ translation is done at a different place in the code.
+ The argument, String, should be a literal string. Concatenated strings
+ and other string expressions won't work.
+ The macro's expansion is not parenthesized, so that it is suitable as
+ initializer for static 'char[]' or 'const char[]' variables. */
+#define gettext_noop(String) String
+
+/* The separator between msgctxt and msgid in a .mo file. */
+#define GETTEXT_CONTEXT_GLUE "\004"
+
+/* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
+ MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
+ short and rarely need to change.
+ The letter 'p' stands for 'particular' or 'special'. */
+#ifdef DEFAULT_TEXT_DOMAIN
+# define pgettext(Msgctxt, Msgid) \
+ pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
+#else
+# define pgettext(Msgctxt, Msgid) \
+ pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
+#endif
+#define dpgettext(Domainname, Msgctxt, Msgid) \
+ pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
+#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
+ pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
+#ifdef DEFAULT_TEXT_DOMAIN
+# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
+#else
+# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
+#endif
+#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
+ npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
+#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
+ npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+pgettext_aux (const char *domain,
+ const char *msg_ctxt_id, const char *msgid,
+ int category)
+{
+ const char *translation = dcgettext (domain, msg_ctxt_id, category);
+ if (translation == msg_ctxt_id)
+ return msgid;
+ else
+ return translation;
+}
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+npgettext_aux (const char *domain,
+ const char *msg_ctxt_id, const char *msgid,
+ const char *msgid_plural, unsigned long int n,
+ int category)
+{
+ const char *translation =
+ dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
+ if (translation == msg_ctxt_id || translation == msgid_plural)
+ return (n == 1 ? msgid : msgid_plural);
+ else
+ return translation;
+}
+
+/* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
+ can be arbitrary expressions. But for string literals these macros are
+ less efficient than those above. */
+
+#include <string.h>
+
+#define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
+ (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
+ /* || __STDC_VERSION__ >= 199901L */ )
+
+#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+#include <stdlib.h>
+#endif
+
+#define pgettext_expr(Msgctxt, Msgid) \
+ dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
+#define dpgettext_expr(Domainname, Msgctxt, Msgid) \
+ dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+dcpgettext_expr (const char *domain,
+ const char *msgctxt, const char *msgid,
+ int category)
+{
+ size_t msgctxt_len = strlen (msgctxt) + 1;
+ size_t msgid_len = strlen (msgid) + 1;
+ const char *translation;
+#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ char msg_ctxt_id[msgctxt_len + msgid_len];
+#else
+ char buf[1024];
+ char *msg_ctxt_id =
+ (msgctxt_len + msgid_len <= sizeof (buf)
+ ? buf
+ : (char *) malloc (msgctxt_len + msgid_len));
+ if (msg_ctxt_id != NULL)
+#endif
+ {
+ memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
+ msg_ctxt_id[msgctxt_len - 1] = '\004';
+ memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
+ translation = dcgettext (domain, msg_ctxt_id, category);
+#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ if (msg_ctxt_id != buf)
+ free (msg_ctxt_id);
+#endif
+ if (translation != msg_ctxt_id)
+ return translation;
+ }
+ return msgid;
+}
+
+#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
+ dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
+#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
+ dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static const char *
+dcnpgettext_expr (const char *domain,
+ const char *msgctxt, const char *msgid,
+ const char *msgid_plural, unsigned long int n,
+ int category)
+{
+ size_t msgctxt_len = strlen (msgctxt) + 1;
+ size_t msgid_len = strlen (msgid) + 1;
+ const char *translation;
+#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ char msg_ctxt_id[msgctxt_len + msgid_len];
+#else
+ char buf[1024];
+ char *msg_ctxt_id =
+ (msgctxt_len + msgid_len <= sizeof (buf)
+ ? buf
+ : (char *) malloc (msgctxt_len + msgid_len));
+ if (msg_ctxt_id != NULL)
+#endif
+ {
+ memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
+ msg_ctxt_id[msgctxt_len - 1] = '\004';
+ memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
+ translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
+#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
+ if (msg_ctxt_id != buf)
+ free (msg_ctxt_id);
+#endif
+ if (!(translation == msg_ctxt_id || translation == msgid_plural))
+ return translation;
+ }
+ return (n == 1 ? msgid : msgid_plural);
+}
+
+#endif /* _LIBGETTEXT_H */
diff --git a/gl/lseek.c b/gl/lseek.c
new file mode 100644
index 0000000000..f2ed8bb54c
--- /dev/null
+++ b/gl/lseek.c
@@ -0,0 +1,62 @@
+/* An lseek() function that detects pipes.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <config.h>
+
+/* Specification. */
+#include <unistd.h>
+
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+/* Windows platforms. */
+/* Get GetFileType. */
+# include <windows.h>
+#else
+# include <sys/stat.h>
+#endif
+#include <errno.h>
+
+#undef lseek
+
+off_t
+rpl_lseek (int fd, off_t offset, int whence)
+{
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ /* mingw lseek mistakenly succeeds on pipes, sockets, and terminals. */
+ HANDLE h = (HANDLE) _get_osfhandle (fd);
+ if (h == INVALID_HANDLE_VALUE)
+ {
+ errno = EBADF;
+ return -1;
+ }
+ if (GetFileType (h) != FILE_TYPE_DISK)
+ {
+ errno = ESPIPE;
+ return -1;
+ }
+#else
+ /* BeOS lseek mistakenly succeeds on pipes... */
+ struct stat statbuf;
+ if (fstat (fd, &statbuf) < 0)
+ return -1;
+ if (!S_ISREG (statbuf.st_mode))
+ {
+ errno = ESPIPE;
+ return -1;
+ }
+#endif
+ return lseek (fd, offset, whence);
+}
diff --git a/gl/m4/alloca.m4 b/gl/m4/alloca.m4
new file mode 100644
index 0000000000..95f54a6d48
--- /dev/null
+++ b/gl/m4/alloca.m4
@@ -0,0 +1,46 @@
+# alloca.m4 serial 8
+dnl Copyright (C) 2002-2004, 2006, 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_ALLOCA],
+[
+ dnl Work around a bug of AC_EGREP_CPP in autoconf-2.57.
+ AC_REQUIRE([AC_PROG_CPP])
+ AC_REQUIRE([AC_PROG_EGREP])
+
+ AC_REQUIRE([AC_FUNC_ALLOCA])
+ if test $ac_cv_func_alloca_works = no; then
+ gl_PREREQ_ALLOCA
+ fi
+
+ # Define an additional variable used in the Makefile substitution.
+ if test $ac_cv_working_alloca_h = yes; then
+ AC_CACHE_CHECK([for alloca as a compiler built-in], [gl_cv_rpl_alloca], [
+ AC_EGREP_CPP([Need own alloca], [
+#if defined __GNUC__ || defined _AIX || defined _MSC_VER
+ Need own alloca
+#endif
+ ], [gl_cv_rpl_alloca=yes], [gl_cv_rpl_alloca=no])
+ ])
+ if test $gl_cv_rpl_alloca = yes; then
+ dnl OK, alloca can be implemented through a compiler built-in.
+ AC_DEFINE([HAVE_ALLOCA], 1,
+ [Define to 1 if you have 'alloca' after including <alloca.h>,
+ a header that may be supplied by this distribution.])
+ ALLOCA_H=alloca.h
+ else
+ dnl alloca exists as a library function, i.e. it is slow and probably
+ dnl a memory leak. Don't define HAVE_ALLOCA in this case.
+ ALLOCA_H=
+ fi
+ else
+ ALLOCA_H=alloca.h
+ fi
+ AC_SUBST([ALLOCA_H])
+])
+
+# Prerequisites of lib/alloca.c.
+# STACK_DIRECTION is already handled by AC_FUNC_ALLOCA.
+AC_DEFUN([gl_PREREQ_ALLOCA], [:])
diff --git a/gl/m4/errno_h.m4 b/gl/m4/errno_h.m4
new file mode 100644
index 0000000000..b5af07800c
--- /dev/null
+++ b/gl/m4/errno_h.m4
@@ -0,0 +1,113 @@
+# errno_h.m4 serial 1
+dnl Copyright (C) 2004, 2006, 2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_HEADER_ERRNO_H],
+[
+ dnl Use AC_REQUIRE here, so that the default behavior below is expanded
+ dnl once only, before all statements that occur in other macros.
+ AC_REQUIRE([gl_HEADER_ERRNO_H_BODY])
+])
+
+AC_DEFUN([gl_HEADER_ERRNO_H_BODY],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_CACHE_CHECK([for complete errno.h], gl_cv_header_errno_h_complete, [
+ AC_EGREP_CPP(booboo,[
+#include <errno.h>
+#if !defined ENOMSG
+booboo
+#endif
+#if !defined EIDRM
+booboo
+#endif
+#if !defined ENOLINK
+booboo
+#endif
+#if !defined EPROTO
+booboo
+#endif
+#if !defined EMULTIHOP
+booboo
+#endif
+#if !defined EBADMSG
+booboo
+#endif
+#if !defined EOVERFLOW
+booboo
+#endif
+#if !defined ENOTSUP
+booboo
+#endif
+#if !defined ECANCELED
+booboo
+#endif
+ ],
+ [gl_cv_header_errno_h_complete=no],
+ [gl_cv_header_errno_h_complete=yes])
+ ])
+ if test $gl_cv_header_errno_h_complete = yes; then
+ ERRNO_H=''
+ else
+ gl_CHECK_NEXT_HEADERS([errno.h])
+ ERRNO_H='errno.h'
+ fi
+ AC_SUBST([ERRNO_H])
+ gl_REPLACE_ERRNO_VALUE([EMULTIHOP])
+ gl_REPLACE_ERRNO_VALUE([ENOLINK])
+ gl_REPLACE_ERRNO_VALUE([EOVERFLOW])
+])
+
+# Assuming $1 = EOVERFLOW.
+# The EOVERFLOW errno value ought to be defined in <errno.h>, according to
+# POSIX. But some systems (like OpenBSD 4.0 or AIX 3) don't define it, and
+# some systems (like OSF/1) define it when _XOPEN_SOURCE_EXTENDED is defined.
+# Check for the value of EOVERFLOW.
+# Set the variables EOVERFLOW_HIDDEN and EOVERFLOW_VALUE.
+AC_DEFUN([gl_REPLACE_ERRNO_VALUE],
+[
+ if test -n "$ERRNO_H"; then
+ AC_CACHE_CHECK([for ]$1[ value], [gl_cv_header_errno_h_]$1, [
+ AC_EGREP_CPP(yes,[
+#include <errno.h>
+#ifdef ]$1[
+yes
+#endif
+ ],
+ [gl_cv_header_errno_h_]$1[=yes],
+ [gl_cv_header_errno_h_]$1[=no])
+ if test $gl_cv_header_errno_h_]$1[ = no; then
+ AC_EGREP_CPP(yes,[
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+#ifdef ]$1[
+yes
+#endif
+ ], [gl_cv_header_errno_h_]$1[=hidden])
+ if test $gl_cv_header_errno_h_]$1[ = hidden; then
+ dnl The macro exists but is hidden.
+ dnl Define it to the same value.
+ AC_COMPUTE_INT([gl_cv_header_errno_h_]$1, $1, [
+#define _XOPEN_SOURCE_EXTENDED 1
+#include <errno.h>
+/* The following two lines are a workaround against an autoconf-2.52 bug. */
+#include <stdio.h>
+#include <stdlib.h>
+])
+ fi
+ fi
+ ])
+ case $gl_cv_header_errno_h_]$1[ in
+ yes | no)
+ ]$1[_HIDDEN=0; ]$1[_VALUE=
+ ;;
+ *)
+ ]$1[_HIDDEN=1; ]$1[_VALUE="$gl_cv_header_errno_h_]$1["
+ ;;
+ esac
+ AC_SUBST($1[_HIDDEN])
+ AC_SUBST($1[_VALUE])
+ fi
+])
diff --git a/gl/m4/float_h.m4 b/gl/m4/float_h.m4
new file mode 100644
index 0000000000..d36e3a46ca
--- /dev/null
+++ b/gl/m4/float_h.m4
@@ -0,0 +1,19 @@
+# float_h.m4 serial 3
+dnl Copyright (C) 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FLOAT_H],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ FLOAT_H=
+ case "$host_os" in
+ beos* | openbsd*)
+ FLOAT_H=float.h
+ gl_CHECK_NEXT_HEADERS([float.h])
+ ;;
+ esac
+ AC_SUBST([FLOAT_H])
+])
diff --git a/gl/m4/fseeko.m4 b/gl/m4/fseeko.m4
new file mode 100644
index 0000000000..3d77365688
--- /dev/null
+++ b/gl/m4/fseeko.m4
@@ -0,0 +1,34 @@
+# fseeko.m4 serial 4
+dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_FSEEKO],
+[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([gl_STDIN_LARGE_OFFSET])
+
+ dnl Persuade glibc <stdio.h> to declare fseeko().
+ AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+ AC_CACHE_CHECK([for fseeko], [gl_cv_func_fseeko],
+ [
+ AC_TRY_LINK([#include <stdio.h>], [fseeko (stdin, 0, 0);],
+ [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no])
+ ])
+ if test $gl_cv_func_fseeko = no; then
+ HAVE_FSEEKO=0
+ gl_REPLACE_FSEEKO
+ elif test $gl_cv_var_stdin_large_offset = no; then
+ gl_REPLACE_FSEEKO
+ fi
+])
+
+AC_DEFUN([gl_REPLACE_FSEEKO],
+[
+ AC_LIBOBJ([fseeko])
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ REPLACE_FSEEKO=1
+])
diff --git a/gl/m4/intmax_t.m4 b/gl/m4/intmax_t.m4
new file mode 100644
index 0000000000..50ae35d223
--- /dev/null
+++ b/gl/m4/intmax_t.m4
@@ -0,0 +1,61 @@
+# intmax_t.m4 serial 6
+dnl Copyright (C) 1997-2004, 2006-2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paul Eggert.
+
+AC_PREREQ(2.13)
+
+# Define intmax_t to 'long' or 'long long'
+# if it is not already defined in <stdint.h> or <inttypes.h>.
+
+AC_DEFUN([gl_AC_TYPE_INTMAX_T],
+[
+ dnl For simplicity, we assume that a header file defines 'intmax_t' if and
+ dnl only if it defines 'uintmax_t'.
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ if test $gl_cv_header_inttypes_h = no && test $gl_cv_header_stdint_h = no; then
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ test $ac_cv_type_long_long_int = yes \
+ && ac_type='long long' \
+ || ac_type='long'
+ AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
+ [Define to long or long long if <inttypes.h> and <stdint.h> don't define.])
+ else
+ AC_DEFINE(HAVE_INTMAX_T, 1,
+ [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
+ fi
+])
+
+dnl An alternative would be to explicitly test for 'intmax_t'.
+
+AC_DEFUN([gt_AC_TYPE_INTMAX_T],
+[
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ AC_CACHE_CHECK(for intmax_t, gt_cv_c_intmax_t,
+ [AC_TRY_COMPILE([
+#include <stddef.h>
+#include <stdlib.h>
+#if HAVE_STDINT_H_WITH_UINTMAX
+#include <stdint.h>
+#endif
+#if HAVE_INTTYPES_H_WITH_UINTMAX
+#include <inttypes.h>
+#endif
+], [intmax_t x = -1; return !x;], gt_cv_c_intmax_t=yes, gt_cv_c_intmax_t=no)])
+ if test $gt_cv_c_intmax_t = yes; then
+ AC_DEFINE(HAVE_INTMAX_T, 1,
+ [Define if you have the 'intmax_t' type in <stdint.h> or <inttypes.h>.])
+ else
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ test $ac_cv_type_long_long_int = yes \
+ && ac_type='long long' \
+ || ac_type='long'
+ AC_DEFINE_UNQUOTED(intmax_t, $ac_type,
+ [Define to long or long long if <stdint.h> and <inttypes.h> don't define.])
+ fi
+])
diff --git a/gl/m4/inttypes_h.m4 b/gl/m4/inttypes_h.m4
new file mode 100644
index 0000000000..edc8ecb2db
--- /dev/null
+++ b/gl/m4/inttypes_h.m4
@@ -0,0 +1,26 @@
+# inttypes_h.m4 serial 7
+dnl Copyright (C) 1997-2004, 2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paul Eggert.
+
+# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([gl_AC_HEADER_INTTYPES_H],
+[
+ AC_CACHE_CHECK([for inttypes.h], gl_cv_header_inttypes_h,
+ [AC_TRY_COMPILE(
+ [#include <sys/types.h>
+#include <inttypes.h>],
+ [uintmax_t i = (uintmax_t) -1; return !i;],
+ gl_cv_header_inttypes_h=yes,
+ gl_cv_header_inttypes_h=no)])
+ if test $gl_cv_header_inttypes_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
+ [Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
+ and declares uintmax_t. ])
+ fi
+])
diff --git a/gl/m4/longlong.m4 b/gl/m4/longlong.m4
new file mode 100644
index 0000000000..15bf9dacad
--- /dev/null
+++ b/gl/m4/longlong.m4
@@ -0,0 +1,106 @@
+# longlong.m4 serial 13
+dnl Copyright (C) 1999-2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paul Eggert.
+
+# Define HAVE_LONG_LONG_INT if 'long long int' works.
+# This fixes a bug in Autoconf 2.61, but can be removed once we
+# assume 2.62 everywhere.
+
+# Note: If the type 'long long int' exists but is only 32 bits large
+# (as on some very old compilers), HAVE_LONG_LONG_INT will not be
+# defined. In this case you can treat 'long long int' like 'long int'.
+
+AC_DEFUN([AC_TYPE_LONG_LONG_INT],
+[
+ AC_CACHE_CHECK([for long long int], [ac_cv_type_long_long_int],
+ [AC_LINK_IFELSE(
+ [_AC_TYPE_LONG_LONG_SNIPPET],
+ [dnl This catches a bug in Tandem NonStop Kernel (OSS) cc -O circa 2004.
+ dnl If cross compiling, assume the bug isn't important, since
+ dnl nobody cross compiles for this platform as far as we know.
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[@%:@include <limits.h>
+ @%:@ifndef LLONG_MAX
+ @%:@ define HALF \
+ (1LL << (sizeof (long long int) * CHAR_BIT - 2))
+ @%:@ define LLONG_MAX (HALF - 1 + HALF)
+ @%:@endif]],
+ [[long long int n = 1;
+ int i;
+ for (i = 0; ; i++)
+ {
+ long long int m = n << i;
+ if (m >> i != n)
+ return 1;
+ if (LLONG_MAX / 2 < m)
+ break;
+ }
+ return 0;]])],
+ [ac_cv_type_long_long_int=yes],
+ [ac_cv_type_long_long_int=no],
+ [ac_cv_type_long_long_int=yes])],
+ [ac_cv_type_long_long_int=no])])
+ if test $ac_cv_type_long_long_int = yes; then
+ AC_DEFINE([HAVE_LONG_LONG_INT], 1,
+ [Define to 1 if the system has the type `long long int'.])
+ fi
+])
+
+# Define HAVE_UNSIGNED_LONG_LONG_INT if 'unsigned long long int' works.
+# This fixes a bug in Autoconf 2.61, but can be removed once we
+# assume 2.62 everywhere.
+
+# Note: If the type 'unsigned long long int' exists but is only 32 bits
+# large (as on some very old compilers), AC_TYPE_UNSIGNED_LONG_LONG_INT
+# will not be defined. In this case you can treat 'unsigned long long int'
+# like 'unsigned long int'.
+
+AC_DEFUN([AC_TYPE_UNSIGNED_LONG_LONG_INT],
+[
+ AC_CACHE_CHECK([for unsigned long long int],
+ [ac_cv_type_unsigned_long_long_int],
+ [AC_LINK_IFELSE(
+ [_AC_TYPE_LONG_LONG_SNIPPET],
+ [ac_cv_type_unsigned_long_long_int=yes],
+ [ac_cv_type_unsigned_long_long_int=no])])
+ if test $ac_cv_type_unsigned_long_long_int = yes; then
+ AC_DEFINE([HAVE_UNSIGNED_LONG_LONG_INT], 1,
+ [Define to 1 if the system has the type `unsigned long long int'.])
+ fi
+])
+
+# Expands to a C program that can be used to test for simultaneous support
+# of 'long long' and 'unsigned long long'. We don't want to say that
+# 'long long' is available if 'unsigned long long' is not, or vice versa,
+# because too many programs rely on the symmetry between signed and unsigned
+# integer types (excluding 'bool').
+AC_DEFUN([_AC_TYPE_LONG_LONG_SNIPPET],
+[
+ AC_LANG_PROGRAM(
+ [[/* For now, do not test the preprocessor; as of 2007 there are too many
+ implementations with broken preprocessors. Perhaps this can
+ be revisited in 2012. In the meantime, code should not expect
+ #if to work with literals wider than 32 bits. */
+ /* Test literals. */
+ long long int ll = 9223372036854775807ll;
+ long long int nll = -9223372036854775807LL;
+ unsigned long long int ull = 18446744073709551615ULL;
+ /* Test constant expressions. */
+ typedef int a[((-9223372036854775807LL < 0 && 0 < 9223372036854775807ll)
+ ? 1 : -1)];
+ typedef int b[(18446744073709551615ULL <= (unsigned long long int) -1
+ ? 1 : -1)];
+ int i = 63;]],
+ [[/* Test availability of runtime routines for shift and division. */
+ long long int llmax = 9223372036854775807ll;
+ unsigned long long int ullmax = 18446744073709551615ull;
+ return ((ll << 63) | (ll >> 63) | (ll < i) | (ll > i)
+ | (llmax / ll) | (llmax % ll)
+ | (ull << 63) | (ull >> 63) | (ull << i) | (ull >> i)
+ | (ullmax / ull) | (ullmax % ull));]])
+])
diff --git a/gl/m4/lseek.m4 b/gl/m4/lseek.m4
new file mode 100644
index 0000000000..f336990709
--- /dev/null
+++ b/gl/m4/lseek.m4
@@ -0,0 +1,50 @@
+# lseek.m4 serial 4
+dnl Copyright (C) 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_LSEEK],
+[
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ AC_REQUIRE([AC_PROG_CC])
+ AC_CACHE_CHECK([whether lseek detects pipes], [gl_cv_func_lseek_pipe],
+ [if test $cross_compiling = no; then
+ AC_LINK_IFELSE([
+#include <sys/types.h> /* for off_t */
+#include <stdio.h> /* for SEEK_CUR */
+#include <unistd.h>
+int main ()
+{
+ /* Exit with success only if stdin is seekable. */
+ return lseek (0, (off_t)0, SEEK_CUR) < 0;
+}],
+ [if test -s conftest$ac_exeext \
+ && ./conftest$ac_exeext < conftest.$ac_ext \
+ && { echo hi | ./conftest$ac_exeext; test $? = 1; }; then
+ gl_cv_func_lseek_pipe=yes
+ else
+ gl_cv_func_lseek_pipe=no
+ fi],
+ [gl_cv_func_lseek_pipe=no])
+ else
+ AC_COMPILE_IFELSE([
+#if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) || defined __BEOS__
+/* mingw and BeOS mistakenly return 0 when trying to seek on pipes. */
+ Choke me.
+#endif],
+ [gl_cv_func_lseek_pipe=yes], [gl_cv_func_lseek_pipe=no])
+ fi])
+ if test $gl_cv_func_lseek_pipe = no; then
+ gl_REPLACE_LSEEK
+ fi
+])
+
+AC_DEFUN([gl_REPLACE_LSEEK],
+[
+ AC_LIBOBJ([lseek])
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ REPLACE_LSEEK=1
+ AC_DEFINE([LSEEK_PIPE_BROKEN], [1],
+ [Define to 1 if lseek does not detect pipes.])
+])
diff --git a/gl/m4/malloc.m4 b/gl/m4/malloc.m4
new file mode 100644
index 0000000000..764f2a9fa1
--- /dev/null
+++ b/gl/m4/malloc.m4
@@ -0,0 +1,41 @@
+# malloc.m4 serial 8
+dnl Copyright (C) 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# gl_FUNC_MALLOC_POSIX
+# --------------------
+# Test whether 'malloc' is POSIX compliant (sets errno to ENOMEM when it
+# fails), and replace malloc if it is not.
+AC_DEFUN([gl_FUNC_MALLOC_POSIX],
+[
+ AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
+ if test $gl_cv_func_malloc_posix = yes; then
+ HAVE_MALLOC_POSIX=1
+ AC_DEFINE([HAVE_MALLOC_POSIX], 1,
+ [Define if the 'malloc' function is POSIX compliant.])
+ else
+ AC_LIBOBJ([malloc])
+ HAVE_MALLOC_POSIX=0
+ fi
+ AC_SUBST([HAVE_MALLOC_POSIX])
+])
+
+# Test whether malloc, realloc, calloc are POSIX compliant,
+# Set gl_cv_func_malloc_posix to yes or no accordingly.
+AC_DEFUN([gl_CHECK_MALLOC_POSIX],
+[
+ AC_CACHE_CHECK([whether malloc, realloc, calloc are POSIX compliant],
+ [gl_cv_func_malloc_posix],
+ [
+ dnl It is too dangerous to try to allocate a large amount of memory:
+ dnl some systems go to their knees when you do that. So assume that
+ dnl all Unix implementations of the function are POSIX compliant.
+ AC_TRY_COMPILE([],
+ [#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ choke me
+ #endif
+ ], [gl_cv_func_malloc_posix=yes], [gl_cv_func_malloc_posix=no])
+ ])
+])
diff --git a/gl/m4/printf.m4 b/gl/m4/printf.m4
new file mode 100644
index 0000000000..d544edd72d
--- /dev/null
+++ b/gl/m4/printf.m4
@@ -0,0 +1,1309 @@
+# printf.m4 serial 23
+dnl Copyright (C) 2003, 2007-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Test whether the *printf family of functions supports the 'j', 'z', 't',
+dnl 'L' size specifiers. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_sizes_c99.
+
+AC_DEFUN([gl_PRINTF_SIZES_C99],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([gl_AC_HEADER_STDINT_H])
+ AC_REQUIRE([gl_AC_HEADER_INTTYPES_H])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports size specifiers as in C99],
+ [gl_cv_func_printf_sizes_c99],
+ [
+ AC_TRY_RUN([
+#include <stddef.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#if HAVE_STDINT_H_WITH_UINTMAX
+# include <stdint.h>
+#endif
+#if HAVE_INTTYPES_H_WITH_UINTMAX
+# include <inttypes.h>
+#endif
+static char buf[100];
+int main ()
+{
+#if HAVE_STDINT_H_WITH_UINTMAX || HAVE_INTTYPES_H_WITH_UINTMAX
+ buf[0] = '\0';
+ if (sprintf (buf, "%ju %d", (uintmax_t) 12345671, 33, 44, 55) < 0
+ || strcmp (buf, "12345671 33") != 0)
+ return 1;
+#endif
+ buf[0] = '\0';
+ if (sprintf (buf, "%zu %d", (size_t) 12345672, 33, 44, 55) < 0
+ || strcmp (buf, "12345672 33") != 0)
+ return 1;
+ buf[0] = '\0';
+ if (sprintf (buf, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55) < 0
+ || strcmp (buf, "12345673 33") != 0)
+ return 1;
+ buf[0] = '\0';
+ if (sprintf (buf, "%Lg %d", (long double) 1.5, 33, 44, 55) < 0
+ || strcmp (buf, "1.5 33") != 0)
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_sizes_c99=yes], [gl_cv_func_printf_sizes_c99=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # Guess yes on FreeBSD >= 5.
+ freebsd[1-4]*) gl_cv_func_printf_sizes_c99="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_printf_sizes_c99="guessing no";;
+ darwin*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # Guess yes on OpenBSD >= 3.9.
+ openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
+ gl_cv_func_printf_sizes_c99="guessing no";;
+ openbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # Guess yes on Solaris >= 2.10.
+ solaris2.[0-9]*) gl_cv_func_printf_sizes_c99="guessing no";;
+ solaris*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_printf_sizes_c99="guessing no";;
+ netbsd*) gl_cv_func_printf_sizes_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_sizes_c99="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports 'long double'
+dnl arguments together with the 'L' size specifier. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_long_double.
+
+AC_DEFUN([gl_PRINTF_LONG_DOUBLE],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports 'long double' arguments],
+ [gl_cv_func_printf_long_double],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[10000];
+int main ()
+{
+ buf[0] = '\0';
+ if (sprintf (buf, "%Lf %d", 1.75L, 33, 44, 55) < 0
+ || strcmp (buf, "1.750000 33") != 0)
+ return 1;
+ buf[0] = '\0';
+ if (sprintf (buf, "%Le %d", 1.75L, 33, 44, 55) < 0
+ || strcmp (buf, "1.750000e+00 33") != 0)
+ return 1;
+ buf[0] = '\0';
+ if (sprintf (buf, "%Lg %d", 1.75L, 33, 44, 55) < 0
+ || strcmp (buf, "1.75 33") != 0)
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_long_double=yes], [gl_cv_func_printf_long_double=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ beos*) gl_cv_func_printf_long_double="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_long_double="guessing no";;
+ *) gl_cv_func_printf_long_double="guessing yes";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports infinite and NaN
+dnl 'double' arguments in the %f, %e, %g directives. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_infinite.
+
+AC_DEFUN([gl_PRINTF_INFINITE],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports infinite 'double' arguments],
+ [gl_cv_func_printf_infinite],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static int
+strisnan (const char *string, size_t start_index, size_t end_index)
+{
+ if (start_index < end_index)
+ {
+ if (string[start_index] == '-')
+ start_index++;
+ if (start_index + 3 <= end_index
+ && memcmp (string + start_index, "nan", 3) == 0)
+ {
+ start_index += 3;
+ if (start_index == end_index
+ || (string[start_index] == '(' && string[end_index - 1] == ')'))
+ return 1;
+ }
+ }
+ return 0;
+}
+static char buf[10000];
+static double zero = 0.0;
+int main ()
+{
+ if (sprintf (buf, "%f", 1.0 / 0.0) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%f", -1.0 / 0.0) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%f", zero / zero) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%e", 1.0 / 0.0) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%e", -1.0 / 0.0) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%e", zero / zero) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%g", 1.0 / 0.0) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%g", -1.0 / 0.0) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%g", zero / zero) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_infinite=yes], [gl_cv_func_printf_infinite=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on FreeBSD >= 6.
+ freebsd[1-5]*) gl_cv_func_printf_infinite="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_printf_infinite="guessing no";;
+ darwin*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on HP-UX >= 11.
+ hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite="guessing no";;
+ hpux*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_printf_infinite="guessing no";;
+ netbsd*) gl_cv_func_printf_infinite="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_infinite="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_infinite="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports infinite and NaN
+dnl 'long double' arguments in the %f, %e, %g directives. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_infinite_long_double.
+
+AC_DEFUN([gl_PRINTF_INFINITE_LONG_DOUBLE],
+[
+ AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_C_BIGENDIAN])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ dnl The user can set or unset the variable gl_printf_safe to indicate
+ dnl that he wishes a safe handling of non-IEEE-754 'long double' values.
+ if test -n "$gl_printf_safe"; then
+ AC_DEFINE([CHECK_PRINTF_SAFE], 1,
+ [Define if you wish *printf() functions that have a safe handling of
+ non-IEEE-754 'long double' values.])
+ fi
+ case "$gl_cv_func_printf_long_double" in
+ *yes)
+ AC_CACHE_CHECK([whether printf supports infinite 'long double' arguments],
+ [gl_cv_func_printf_infinite_long_double],
+ [
+ AC_TRY_RUN([
+]GL_NOCRASH[
+#include <float.h>
+#include <stdio.h>
+#include <string.h>
+static int
+strisnan (const char *string, size_t start_index, size_t end_index)
+{
+ if (start_index < end_index)
+ {
+ if (string[start_index] == '-')
+ start_index++;
+ if (start_index + 3 <= end_index
+ && memcmp (string + start_index, "nan", 3) == 0)
+ {
+ start_index += 3;
+ if (start_index == end_index
+ || (string[start_index] == '(' && string[end_index - 1] == ')'))
+ return 1;
+ }
+ }
+ return 0;
+}
+static char buf[10000];
+static long double zeroL = 0.0L;
+int main ()
+{
+ nocrash_init();
+ if (sprintf (buf, "%Lf", 1.0L / 0.0L) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%Lf", -1.0L / 0.0L) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%Lf", zeroL / zeroL) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", 1.0L / 0.0L) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%Le", -1.0L / 0.0L) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%Le", zeroL / zeroL) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", 1.0L / 0.0L) < 0
+ || (strcmp (buf, "inf") != 0 && strcmp (buf, "infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%Lg", -1.0L / 0.0L) < 0
+ || (strcmp (buf, "-inf") != 0 && strcmp (buf, "-infinity") != 0))
+ return 1;
+ if (sprintf (buf, "%Lg", zeroL / zeroL) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+#if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
+/* Representation of an 80-bit 'long double' as an initializer for a sequence
+ of 'unsigned int' words. */
+# ifdef WORDS_BIGENDIAN
+# define LDBL80_WORDS(exponent,manthi,mantlo) \
+ { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
+ ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
+ (unsigned int) (mantlo) << 16 \
+ }
+# else
+# define LDBL80_WORDS(exponent,manthi,mantlo) \
+ { mantlo, manthi, exponent }
+# endif
+ { /* Quiet NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+ {
+ /* Signalling NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+ { /* Pseudo-NaN. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+ { /* Pseudo-Infinity. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+ { /* Pseudo-Zero. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+ { /* Unnormalized number. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+ { /* Pseudo-Denormal. */
+ static union { unsigned int word[4]; long double value; } x =
+ { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
+ if (sprintf (buf, "%Lf", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Le", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ if (sprintf (buf, "%Lg", x.value) < 0
+ || !strisnan (buf, 0, strlen (buf)))
+ return 1;
+ }
+#endif
+ return 0;
+}],
+ [gl_cv_func_printf_infinite_long_double=yes],
+ [gl_cv_func_printf_infinite_long_double=no],
+ [
+changequote(,)dnl
+ case "$host_cpu" in
+ # Guess no on ia64, x86_64, i386.
+ ia64 | x86_64 | i*86) gl_cv_func_printf_infinite_long_double="guessing no";;
+ *)
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on FreeBSD >= 6.
+ freebsd[1-5]*) gl_cv_func_printf_infinite_long_double="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_printf_infinite_long_double="guessing no";;
+ darwin*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on HP-UX >= 11.
+ hpux[7-9]* | hpux10*) gl_cv_func_printf_infinite_long_double="guessing no";;
+ hpux*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_printf_infinite_long_double="guessing no";;
+ netbsd*) gl_cv_func_printf_infinite_long_double="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_infinite_long_double="guessing no";;
+ esac
+ ;;
+ esac
+changequote([,])dnl
+ ])
+ ])
+ ;;
+ *)
+ gl_cv_func_printf_infinite_long_double="irrelevant"
+ ;;
+ esac
+])
+
+dnl Test whether the *printf family of functions supports the 'a' and 'A'
+dnl conversion specifier for hexadecimal output of floating-point numbers.
+dnl (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_directive_a.
+
+AC_DEFUN([gl_PRINTF_DIRECTIVE_A],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the 'a' and 'A' directives],
+ [gl_cv_func_printf_directive_a],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ if (sprintf (buf, "%a %d", 3.1416015625, 33, 44, 55) < 0
+ || (strcmp (buf, "0x1.922p+1 33") != 0
+ && strcmp (buf, "0x3.244p+0 33") != 0
+ && strcmp (buf, "0x6.488p-1 33") != 0
+ && strcmp (buf, "0xc.91p-2 33") != 0))
+ return 1;
+ if (sprintf (buf, "%A %d", -3.1416015625, 33, 44, 55) < 0
+ || (strcmp (buf, "-0X1.922P+1 33") != 0
+ && strcmp (buf, "-0X3.244P+0 33") != 0
+ && strcmp (buf, "-0X6.488P-1 33") != 0
+ && strcmp (buf, "-0XC.91P-2 33") != 0))
+ return 1;
+ /* This catches a FreeBSD 6.1 bug: it doesn't round. */
+ if (sprintf (buf, "%.2a %d", 1.51, 33, 44, 55) < 0
+ || (strcmp (buf, "0x1.83p+0 33") != 0
+ && strcmp (buf, "0x3.05p-1 33") != 0
+ && strcmp (buf, "0x6.0ap-2 33") != 0
+ && strcmp (buf, "0xc.14p-3 33") != 0))
+ return 1;
+ /* This catches a FreeBSD 6.1 bug. See
+ <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
+ if (sprintf (buf, "%010a %d", 1.0 / 0.0, 33, 44, 55) < 0
+ || buf[0] == '0')
+ return 1;
+ /* This catches a MacOS X 10.3.9 (Darwin 7.9) bug. */
+ if (sprintf (buf, "%.1a", 1.999) < 0
+ || (strcmp (buf, "0x1.0p+1") != 0
+ && strcmp (buf, "0x2.0p+0") != 0
+ && strcmp (buf, "0x4.0p-1") != 0
+ && strcmp (buf, "0x8.0p-2") != 0))
+ return 1;
+ /* This catches the same MacOS X 10.3.9 (Darwin 7.9) bug and also a
+ glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
+ if (sprintf (buf, "%.1La", 1.999L) < 0
+ || (strcmp (buf, "0x1.0p+1") != 0
+ && strcmp (buf, "0x2.0p+0") != 0
+ && strcmp (buf, "0x4.0p-1") != 0
+ && strcmp (buf, "0x8.0p-2") != 0))
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_directive_a=yes], [gl_cv_func_printf_directive_a=no],
+ [
+ case "$host_os" in
+ # Guess yes on glibc >= 2.5 systems.
+ *-gnu*)
+ AC_EGREP_CPP([BZ2908], [
+ #include <features.h>
+ #ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 5) || (__GLIBC__ > 2)
+ BZ2908
+ #endif
+ #endif
+ ],
+ [gl_cv_func_printf_directive_a="guessing yes"],
+ [gl_cv_func_printf_directive_a="guessing no"])
+ ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_directive_a="guessing no";;
+ esac
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports the %F format
+dnl directive. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_directive_f.
+
+AC_DEFUN([gl_PRINTF_DIRECTIVE_F],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the 'F' directive],
+ [gl_cv_func_printf_directive_f],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ if (sprintf (buf, "%F %d", 1234567.0, 33, 44, 55) < 0
+ || strcmp (buf, "1234567.000000 33") != 0)
+ return 1;
+ if (sprintf (buf, "%F", 1.0 / 0.0) < 0
+ || (strcmp (buf, "INF") != 0 && strcmp (buf, "INFINITY") != 0))
+ return 1;
+ /* This catches a Cygwin 2007 bug. */
+ if (sprintf (buf, "%.F", 1234.0) < 0
+ || strcmp (buf, "1234") != 0)
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_directive_f=yes], [gl_cv_func_printf_directive_f=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on FreeBSD >= 6.
+ freebsd[1-5]*) gl_cv_func_printf_directive_f="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_printf_directive_f="guessing no";;
+ darwin*) gl_cv_func_printf_directive_f="guessing yes";;
+ # Guess yes on Solaris >= 2.10.
+ solaris2.[0-9]*) gl_cv_func_printf_directive_f="guessing no";;
+ solaris*) gl_cv_func_printf_directive_f="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_directive_f="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports the %n format
+dnl directive. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_printf_directive_n.
+
+AC_DEFUN([gl_PRINTF_DIRECTIVE_N],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the 'n' directive],
+ [gl_cv_func_printf_directive_n],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char fmtstring[10];
+static char buf[100];
+int main ()
+{
+ int count = -1;
+ /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2)
+ support %n in format strings in read-only memory but not in writable
+ memory. */
+ strcpy (fmtstring, "%d %n");
+ if (sprintf (buf, fmtstring, 123, &count, 33, 44, 55) < 0
+ || strcmp (buf, "123 ") != 0
+ || count != 4)
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_directive_n=yes], [gl_cv_func_printf_directive_n=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ *) gl_cv_func_printf_directive_n="guessing yes";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports POSIX/XSI format
+dnl strings with positions. (POSIX:2001)
+dnl Result is gl_cv_func_printf_positions.
+
+AC_DEFUN([gl_PRINTF_POSITIONS],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports POSIX/XSI format strings with positions],
+ [gl_cv_func_printf_positions],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+/* The string "%2$d %1$d", with dollar characters protected from the shell's
+ dollar expansion (possibly an autoconf bug). */
+static char format[] = { '%', '2', '$', 'd', ' ', '%', '1', '$', 'd', '\0' };
+static char buf[100];
+int main ()
+{
+ sprintf (buf, format, 33, 55);
+ return (strcmp (buf, "55 33") != 0);
+}], [gl_cv_func_printf_positions=yes], [gl_cv_func_printf_positions=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ netbsd[1-3]* | netbsdelf[1-3]* | netbsdaout[1-3]* | netbsdcoff[1-3]*)
+ gl_cv_func_printf_positions="guessing no";;
+ beos*) gl_cv_func_printf_positions="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_positions="guessing no";;
+ *) gl_cv_func_printf_positions="guessing yes";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports POSIX/XSI format
+dnl strings with the ' flag for grouping of decimal digits. (POSIX:2001)
+dnl Result is gl_cv_func_printf_flag_grouping.
+
+AC_DEFUN([gl_PRINTF_FLAG_GROUPING],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the grouping flag],
+ [gl_cv_func_printf_flag_grouping],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ if (sprintf (buf, "%'d %d", 1234567, 99) < 0
+ || buf[strlen (buf) - 1] != '9')
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_flag_grouping=yes], [gl_cv_func_printf_flag_grouping=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ cygwin*) gl_cv_func_printf_flag_grouping="guessing no";;
+ netbsd*) gl_cv_func_printf_flag_grouping="guessing no";;
+ mingw* | pw*) gl_cv_func_printf_flag_grouping="guessing no";;
+ *) gl_cv_func_printf_flag_grouping="guessing yes";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports the - flag correctly.
+dnl (ISO C99.) See
+dnl <http://lists.gnu.org/archive/html/bug-coreutils/2008-02/msg00035.html>
+dnl Result is gl_cv_func_printf_flag_leftadjust.
+
+AC_DEFUN([gl_PRINTF_FLAG_LEFTADJUST],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the left-adjust flag correctly],
+ [gl_cv_func_printf_flag_leftadjust],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ /* Check that a '-' flag is not annihilated by a negative width. */
+ if (sprintf (buf, "a%-*sc", -3, "b") < 0
+ || strcmp (buf, "ab c") != 0)
+ return 1;
+ return 0;
+}],
+ [gl_cv_func_printf_flag_leftadjust=yes],
+ [gl_cv_func_printf_flag_leftadjust=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on HP-UX 11.
+ hpux11*) gl_cv_func_printf_flag_leftadjust="guessing yes";;
+ # Guess no on HP-UX 10 and older.
+ hpux*) gl_cv_func_printf_flag_leftadjust="guessing no";;
+ # Guess yes otherwise.
+ *) gl_cv_func_printf_flag_leftadjust="guessing yes";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports padding of non-finite
+dnl values with the 0 flag correctly. (ISO C99 + TC1 + TC2.) See
+dnl <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html>
+dnl Result is gl_cv_func_printf_flag_zero.
+
+AC_DEFUN([gl_PRINTF_FLAG_ZERO],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports the zero flag correctly],
+ [gl_cv_func_printf_flag_zero],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ if (sprintf (buf, "%010f", 1.0 / 0.0, 33, 44, 55) < 0
+ || (strcmp (buf, " inf") != 0
+ && strcmp (buf, " infinity") != 0))
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_flag_zero=yes], [gl_cv_func_printf_flag_zero=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_flag_zero="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_flag_zero="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions supports large precisions.
+dnl On mingw, precisions larger than 512 are treated like 512, in integer,
+dnl floating-point or pointer output. On BeOS, precisions larger than 1044
+dnl crash the program.
+dnl Result is gl_cv_func_printf_precision.
+
+AC_DEFUN([gl_PRINTF_PRECISION],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf supports large precisions],
+ [gl_cv_func_printf_precision],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[5000];
+int main ()
+{
+#ifdef __BEOS__
+ /* On BeOS, this would crash and show a dialog box. Avoid the crash. */
+ return 1;
+#endif
+ if (sprintf (buf, "%.4000d %d", 1, 33, 44) < 4000 + 3)
+ return 1;
+ return 0;
+}], [gl_cv_func_printf_precision=yes], [gl_cv_func_printf_precision=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess no only on native Win32 and BeOS systems.
+ mingw* | pw*) gl_cv_func_printf_precision="guessing no" ;;
+ beos*) gl_cv_func_printf_precision="guessing no" ;;
+ *) gl_cv_func_printf_precision="guessing yes" ;;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the *printf family of functions recovers gracefully in case
+dnl of an out-of-memory condition, or whether it crashes the entire program.
+dnl Result is gl_cv_func_printf_enomem.
+
+AC_DEFUN([gl_PRINTF_ENOMEM],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether printf survives out-of-memory conditions],
+ [gl_cv_func_printf_enomem],
+ [
+ if test "$cross_compiling" = no; then
+ AC_LANG_CONFTEST([AC_LANG_SOURCE([
+]GL_NOCRASH[
+changequote(,)dnl
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <errno.h>
+int main()
+{
+ struct rlimit limit;
+ int ret;
+ nocrash_init ();
+ /* Some printf implementations allocate temporary space with malloc. */
+ /* On BSD systems, malloc() is limited by RLIMIT_DATA. */
+#ifdef RLIMIT_DATA
+ if (getrlimit (RLIMIT_DATA, &limit) < 0)
+ return 77;
+ if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
+ limit.rlim_max = 5000000;
+ limit.rlim_cur = limit.rlim_max;
+ if (setrlimit (RLIMIT_DATA, &limit) < 0)
+ return 77;
+#endif
+ /* On Linux systems, malloc() is limited by RLIMIT_AS. */
+#ifdef RLIMIT_AS
+ if (getrlimit (RLIMIT_AS, &limit) < 0)
+ return 77;
+ if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
+ limit.rlim_max = 5000000;
+ limit.rlim_cur = limit.rlim_max;
+ if (setrlimit (RLIMIT_AS, &limit) < 0)
+ return 77;
+#endif
+ /* Some printf implementations allocate temporary space on the stack. */
+#ifdef RLIMIT_STACK
+ if (getrlimit (RLIMIT_STACK, &limit) < 0)
+ return 77;
+ if (limit.rlim_max == RLIM_INFINITY || limit.rlim_max > 5000000)
+ limit.rlim_max = 5000000;
+ limit.rlim_cur = limit.rlim_max;
+ if (setrlimit (RLIMIT_STACK, &limit) < 0)
+ return 77;
+#endif
+ ret = printf ("%.5000000f", 1.0);
+ return !(ret == 5000002 || (ret < 0 && errno == ENOMEM));
+}
+changequote([,])dnl
+ ])])
+ if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
+ (./conftest
+ result=$?
+ if test $result != 0 && test $result != 77; then result=1; fi
+ exit $result
+ ) >/dev/null 2>/dev/null
+ case $? in
+ 0) gl_cv_func_printf_enomem="yes" ;;
+ 77) gl_cv_func_printf_enomem="guessing no" ;;
+ *) gl_cv_func_printf_enomem="no" ;;
+ esac
+ else
+ gl_cv_func_printf_enomem="guessing no"
+ fi
+ rm -fr conftest*
+ else
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on Solaris.
+ solaris*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on AIX.
+ aix*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on HP-UX/hppa.
+ hpux*) case "$host_cpu" in
+ hppa*) gl_cv_func_printf_enomem="guessing yes";;
+ *) gl_cv_func_printf_enomem="guessing no";;
+ esac
+ ;;
+ # Guess yes on IRIX.
+ irix*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on OSF/1.
+ osf*) gl_cv_func_printf_enomem="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_printf_enomem="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_printf_enomem="guessing no";;
+ esac
+changequote([,])dnl
+ fi
+ ])
+])
+
+dnl Test whether the snprintf function exists. (ISO C99, POSIX:2001)
+dnl Result is ac_cv_func_snprintf.
+
+AC_DEFUN([gl_SNPRINTF_PRESENCE],
+[
+ AC_CHECK_FUNCS_ONCE([snprintf])
+])
+
+dnl Test whether the string produced by the snprintf function is always NUL
+dnl terminated. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_snprintf_truncation_c99.
+
+AC_DEFUN([gl_SNPRINTF_TRUNCATION_C99],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether snprintf truncates the result as in C99],
+ [gl_cv_func_snprintf_truncation_c99],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ strcpy (buf, "ABCDEF");
+ snprintf (buf, 3, "%d %d", 4567, 89);
+ if (memcmp (buf, "45\0DEF", 6) != 0)
+ return 1;
+ return 0;
+}], [gl_cv_func_snprintf_truncation_c99=yes], [gl_cv_func_snprintf_truncation_c99=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on FreeBSD >= 5.
+ freebsd[1-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ darwin*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on OpenBSD >= 3.9.
+ openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
+ gl_cv_func_snprintf_truncation_c99="guessing no";;
+ openbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on Solaris >= 2.6.
+ solaris2.[0-5]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ solaris*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on AIX >= 4.
+ aix[1-3]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ aix*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on HP-UX >= 11.
+ hpux[7-9]* | hpux10*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ hpux*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on IRIX >= 6.5.
+ irix6.5) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on OSF/1 >= 5.
+ osf[3-4]*) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ osf*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_snprintf_truncation_c99="guessing no";;
+ netbsd*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_snprintf_truncation_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_snprintf_truncation_c99="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the return value of the snprintf function is the number
+dnl of bytes (excluding the terminating NUL) that would have been produced
+dnl if the buffer had been large enough. (ISO C99, POSIX:2001)
+dnl For example, this test program fails on IRIX 6.5:
+dnl ---------------------------------------------------------------------
+dnl #include <stdio.h>
+dnl int main()
+dnl {
+dnl static char buf[8];
+dnl int retval = snprintf (buf, 3, "%d", 12345);
+dnl return retval >= 0 && retval < 3;
+dnl }
+dnl ---------------------------------------------------------------------
+dnl Result is gl_cv_func_snprintf_retval_c99.
+
+AC_DEFUN([gl_SNPRINTF_RETVAL_C99],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether snprintf returns a byte count as in C99],
+ [gl_cv_func_snprintf_retval_c99],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char buf[100];
+int main ()
+{
+ strcpy (buf, "ABCDEF");
+ if (snprintf (buf, 3, "%d %d", 4567, 89) != 7)
+ return 1;
+ return 0;
+}], [gl_cv_func_snprintf_retval_c99=yes], [gl_cv_func_snprintf_retval_c99=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on FreeBSD >= 5.
+ freebsd[1-4]*) gl_cv_func_snprintf_retval_c99="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_snprintf_retval_c99="guessing no";;
+ darwin*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on OpenBSD >= 3.9.
+ openbsd[1-2].* | openbsd3.[0-8] | openbsd3.[0-8].*)
+ gl_cv_func_snprintf_retval_c99="guessing no";;
+ openbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on Solaris >= 2.6.
+ solaris2.[0-5]*) gl_cv_func_snprintf_retval_c99="guessing no";;
+ solaris*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on AIX >= 4.
+ aix[1-3]*) gl_cv_func_snprintf_retval_c99="guessing no";;
+ aix*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_snprintf_retval_c99="guessing no";;
+ netbsd*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_snprintf_retval_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_snprintf_retval_c99="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the snprintf function supports the %n format directive
+dnl also in truncated portions of the format string. (ISO C99, POSIX:2001)
+dnl Result is gl_cv_func_snprintf_directive_n.
+
+AC_DEFUN([gl_SNPRINTF_DIRECTIVE_N],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether snprintf fully supports the 'n' directive],
+ [gl_cv_func_snprintf_directive_n],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+#include <string.h>
+static char fmtstring[10];
+static char buf[100];
+int main ()
+{
+ int count = -1;
+ /* Copy the format string. Some systems (glibc with _FORTIFY_SOURCE=2)
+ support %n in format strings in read-only memory but not in writable
+ memory. */
+ strcpy (fmtstring, "%d %n");
+ snprintf (buf, 4, fmtstring, 12345, &count, 33, 44, 55);
+ if (count != 6)
+ return 1;
+ return 0;
+}], [gl_cv_func_snprintf_directive_n=yes], [gl_cv_func_snprintf_directive_n=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on FreeBSD >= 5.
+ freebsd[1-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_snprintf_directive_n="guessing no";;
+ darwin*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on Solaris >= 2.6.
+ solaris2.[0-5]*) gl_cv_func_snprintf_directive_n="guessing no";;
+ solaris*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on AIX >= 4.
+ aix[1-3]*) gl_cv_func_snprintf_directive_n="guessing no";;
+ aix*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on IRIX >= 6.5.
+ irix6.5) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on OSF/1 >= 5.
+ osf[3-4]*) gl_cv_func_snprintf_directive_n="guessing no";;
+ osf*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_snprintf_directive_n="guessing no";;
+ netbsd*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_snprintf_directive_n="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_snprintf_directive_n="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl Test whether the snprintf function, when passed a size = 1, writes any
+dnl output without bounds in this case, behaving like sprintf. This is the
+dnl case on Linux libc5.
+dnl Result is gl_cv_func_snprintf_size1.
+
+AC_DEFUN([gl_SNPRINTF_SIZE1],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_CACHE_CHECK([whether snprintf respects a size of 1],
+ [gl_cv_func_snprintf_size1],
+ [
+ AC_TRY_RUN([
+#include <stdio.h>
+int main()
+{
+ static char buf[8] = "DEADBEEF";
+ snprintf (buf, 1, "%d", 12345);
+ return buf[1] != 'E';
+}],
+ [gl_cv_func_snprintf_size1=yes],
+ [gl_cv_func_snprintf_size1=no],
+ [gl_cv_func_snprintf_size1="guessing yes"])
+ ])
+])
+
+dnl Test whether the vsnprintf function, when passed a zero size, produces no
+dnl output. (ISO C99, POSIX:2001)
+dnl For example, snprintf nevertheless writes a NUL byte in this case
+dnl on OSF/1 5.1:
+dnl ---------------------------------------------------------------------
+dnl #include <stdio.h>
+dnl int main()
+dnl {
+dnl static char buf[8] = "DEADBEEF";
+dnl snprintf (buf, 0, "%d", 12345);
+dnl return buf[0] != 'D';
+dnl }
+dnl ---------------------------------------------------------------------
+dnl And vsnprintf writes any output without bounds in this case, behaving like
+dnl vsprintf, on HP-UX 11 and OSF/1 5.1:
+dnl ---------------------------------------------------------------------
+dnl #include <stdarg.h>
+dnl #include <stdio.h>
+dnl static int my_snprintf (char *buf, int size, const char *format, ...)
+dnl {
+dnl va_list args;
+dnl int ret;
+dnl va_start (args, format);
+dnl ret = vsnprintf (buf, size, format, args);
+dnl va_end (args);
+dnl return ret;
+dnl }
+dnl int main()
+dnl {
+dnl static char buf[8] = "DEADBEEF";
+dnl my_snprintf (buf, 0, "%d", 12345);
+dnl return buf[0] != 'D';
+dnl }
+dnl ---------------------------------------------------------------------
+dnl Result is gl_cv_func_vsnprintf_zerosize_c99.
+
+AC_DEFUN([gl_VSNPRINTF_ZEROSIZE_C99],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether vsnprintf respects a zero size as in C99],
+ [gl_cv_func_vsnprintf_zerosize_c99],
+ [
+ AC_TRY_RUN([
+#include <stdarg.h>
+#include <stdio.h>
+static int my_snprintf (char *buf, int size, const char *format, ...)
+{
+ va_list args;
+ int ret;
+ va_start (args, format);
+ ret = vsnprintf (buf, size, format, args);
+ va_end (args);
+ return ret;
+}
+int main()
+{
+ static char buf[8] = "DEADBEEF";
+ my_snprintf (buf, 0, "%d", 12345);
+ return buf[0] != 'D';
+}],
+ [gl_cv_func_vsnprintf_zerosize_c99=yes],
+ [gl_cv_func_vsnprintf_zerosize_c99=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on FreeBSD >= 5.
+ freebsd[1-4]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ freebsd* | kfreebsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on MacOS X >= 10.3.
+ darwin[1-6].*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ darwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on Cygwin.
+ cygwin*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on Solaris >= 2.6.
+ solaris2.[0-5]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ solaris*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on AIX >= 4.
+ aix[1-3]*) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ aix*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on IRIX >= 6.5.
+ irix6.5) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on NetBSD >= 3.
+ netbsd[1-2]* | netbsdelf[1-2]* | netbsdaout[1-2]* | netbsdcoff[1-2]*)
+ gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ netbsd*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on BeOS.
+ beos*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # Guess yes on mingw.
+ mingw* | pw*) gl_cv_func_vsnprintf_zerosize_c99="guessing yes";;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_vsnprintf_zerosize_c99="guessing no";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+])
+
+dnl The results of these tests on various platforms are:
+dnl
+dnl 1 = gl_PRINTF_SIZES_C99
+dnl 2 = gl_PRINTF_LONG_DOUBLE
+dnl 3 = gl_PRINTF_INFINITE
+dnl 4 = gl_PRINTF_INFINITE_LONG_DOUBLE
+dnl 5 = gl_PRINTF_DIRECTIVE_A
+dnl 6 = gl_PRINTF_DIRECTIVE_F
+dnl 7 = gl_PRINTF_DIRECTIVE_N
+dnl 8 = gl_PRINTF_POSITIONS
+dnl 9 = gl_PRINTF_FLAG_GROUPING
+dnl 10 = gl_PRINTF_FLAG_LEFTADJUST
+dnl 11 = gl_PRINTF_FLAG_ZERO
+dnl 12 = gl_PRINTF_PRECISION
+dnl 13 = gl_PRINTF_ENOMEM
+dnl 14 = gl_SNPRINTF_PRESENCE
+dnl 15 = gl_SNPRINTF_TRUNCATION_C99
+dnl 16 = gl_SNPRINTF_RETVAL_C99
+dnl 17 = gl_SNPRINTF_DIRECTIVE_N
+dnl 18 = gl_SNPRINTF_SIZE1
+dnl 19 = gl_VSNPRINTF_ZEROSIZE_C99
+dnl
+dnl 1 = checking whether printf supports size specifiers as in C99...
+dnl 2 = checking whether printf supports 'long double' arguments...
+dnl 3 = checking whether printf supports infinite 'double' arguments...
+dnl 4 = checking whether printf supports infinite 'long double' arguments...
+dnl 5 = checking whether printf supports the 'a' and 'A' directives...
+dnl 6 = checking whether printf supports the 'F' directive...
+dnl 7 = checking whether printf supports the 'n' directive...
+dnl 8 = checking whether printf supports POSIX/XSI format strings with positions...
+dnl 9 = checking whether printf supports the grouping flag...
+dnl 10 = checking whether printf supports the left-adjust flag correctly...
+dnl 11 = checking whether printf supports the zero flag correctly...
+dnl 12 = checking whether printf supports large precisions...
+dnl 13 = checking whether printf survives out-of-memory conditions...
+dnl 14 = checking for snprintf...
+dnl 15 = checking whether snprintf truncates the result as in C99...
+dnl 16 = checking whether snprintf returns a byte count as in C99...
+dnl 17 = checking whether snprintf fully supports the 'n' directive...
+dnl 18 = checking whether snprintf respects a size of 1...
+dnl 19 = checking whether vsnprintf respects a zero size as in C99...
+dnl
+dnl . = yes, # = no.
+dnl
+dnl 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
+dnl glibc 2.5 . . . . . . . . . . . . . . . . . . .
+dnl glibc 2.3.6 . . . . # . . . . . . . . . . . . . .
+dnl FreeBSD 5.4, 6.1 . . . . # . . . . . # . # . . . . . .
+dnl MacOS X 10.3.9 . . . . # . . . . . # . # . . . . . .
+dnl OpenBSD 3.9, 4.0 . . # # # # . . # . # . # . . . . . .
+dnl Cygwin 2007 (= Cygwin 1.5.24) . . . . # # . . . ? # ? ? . . . . . .
+dnl Cygwin 2006 (= Cygwin 1.5.19) # . . . # # . . # ? # ? ? . . . . . .
+dnl Solaris 10 . . # # # . . . . . # . . . . . . . .
+dnl Solaris 2.6 ... 9 # . # # # # . . . . # . . . . . . . .
+dnl Solaris 2.5.1 # . # # # # . . . . # . . # # # # # #
+dnl AIX 5.2 . . # # # . . . . . # . . . . . . . .
+dnl AIX 4.3.2, 5.1 # . # # # # . . . . # . . . . . . . .
+dnl HP-UX 11.31 . . . . # . . . . . # . . . . # # . .
+dnl HP-UX 11.{00,11,23} # . . . # # . . . . # . . . . # # . #
+dnl HP-UX 10.20 # . . . # # . . . # # . . . . # # ? #
+dnl IRIX 6.5 # . # # # # . . . . # . . . . # . . .
+dnl OSF/1 5.1 # . # # # # . . . . # . . . . # . . #
+dnl OSF/1 4.0d # . # # # # . . . . # . . # # # # # #
+dnl NetBSD 4.0 . ? ? ? ? ? . . ? ? ? ? ? . . . ? ? ?
+dnl NetBSD 3.0 . . . . # # . # # ? # . # . . . . . .
+dnl BeOS # # . # # # . # . ? . # ? . . . . . .
+dnl mingw # # # # # # . # # . # # ? . # # # . .
diff --git a/gl/m4/realloc.m4 b/gl/m4/realloc.m4
new file mode 100644
index 0000000000..f9fd935dbb
--- /dev/null
+++ b/gl/m4/realloc.m4
@@ -0,0 +1,23 @@
+# realloc.m4 serial 8
+dnl Copyright (C) 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# gl_FUNC_REALLOC_POSIX
+# ---------------------
+# Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it
+# fails), and replace realloc if it is not.
+AC_DEFUN([gl_FUNC_REALLOC_POSIX],
+[
+ AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
+ if test $gl_cv_func_malloc_posix = yes; then
+ HAVE_REALLOC_POSIX=1
+ AC_DEFINE([HAVE_REALLOC_POSIX], 1,
+ [Define if the 'realloc' function is POSIX compliant.])
+ else
+ AC_LIBOBJ([realloc])
+ HAVE_REALLOC_POSIX=0
+ fi
+ AC_SUBST([HAVE_REALLOC_POSIX])
+])
diff --git a/gl/m4/size_max.m4 b/gl/m4/size_max.m4
new file mode 100644
index 0000000000..6cb4868927
--- /dev/null
+++ b/gl/m4/size_max.m4
@@ -0,0 +1,68 @@
+# size_max.m4 serial 6
+dnl Copyright (C) 2003, 2005-2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([gl_SIZE_MAX],
+[
+ AC_CHECK_HEADERS(stdint.h)
+ dnl First test whether the system already has SIZE_MAX.
+ AC_MSG_CHECKING([for SIZE_MAX])
+ AC_CACHE_VAL([gl_cv_size_max], [
+ gl_cv_size_max=
+ AC_EGREP_CPP([Found it], [
+#include <limits.h>
+#if HAVE_STDINT_H
+#include <stdint.h>
+#endif
+#ifdef SIZE_MAX
+Found it
+#endif
+], gl_cv_size_max=yes)
+ if test -z "$gl_cv_size_max"; then
+ dnl Define it ourselves. Here we assume that the type 'size_t' is not wider
+ dnl than the type 'unsigned long'. Try hard to find a definition that can
+ dnl be used in a preprocessor #if, i.e. doesn't contain a cast.
+ AC_COMPUTE_INT([size_t_bits_minus_1], [sizeof (size_t) * CHAR_BIT - 1],
+ [#include <stddef.h>
+#include <limits.h>], size_t_bits_minus_1=)
+ AC_COMPUTE_INT([fits_in_uint], [sizeof (size_t) <= sizeof (unsigned int)],
+ [#include <stddef.h>], fits_in_uint=)
+ if test -n "$size_t_bits_minus_1" && test -n "$fits_in_uint"; then
+ if test $fits_in_uint = 1; then
+ dnl Even though SIZE_MAX fits in an unsigned int, it must be of type
+ dnl 'unsigned long' if the type 'size_t' is the same as 'unsigned long'.
+ AC_TRY_COMPILE([#include <stddef.h>
+ extern size_t foo;
+ extern unsigned long foo;
+ ], [], fits_in_uint=0)
+ fi
+ dnl We cannot use 'expr' to simplify this expression, because 'expr'
+ dnl works only with 'long' integers in the host environment, while we
+ dnl might be cross-compiling from a 32-bit platform to a 64-bit platform.
+ if test $fits_in_uint = 1; then
+ gl_cv_size_max="(((1U << $size_t_bits_minus_1) - 1) * 2 + 1)"
+ else
+ gl_cv_size_max="(((1UL << $size_t_bits_minus_1) - 1) * 2 + 1)"
+ fi
+ else
+ dnl Shouldn't happen, but who knows...
+ gl_cv_size_max='((size_t)~(size_t)0)'
+ fi
+ fi
+ ])
+ AC_MSG_RESULT([$gl_cv_size_max])
+ if test "$gl_cv_size_max" != yes; then
+ AC_DEFINE_UNQUOTED([SIZE_MAX], [$gl_cv_size_max],
+ [Define as the maximum value of type 'size_t', if the system doesn't define it.])
+ fi
+])
+
+dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
+dnl Remove this when we can assume autoconf >= 2.61.
+m4_ifdef([AC_COMPUTE_INT], [], [
+ AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
+])
diff --git a/gl/m4/snprintf.m4 b/gl/m4/snprintf.m4
new file mode 100644
index 0000000000..6021786ee1
--- /dev/null
+++ b/gl/m4/snprintf.m4
@@ -0,0 +1,40 @@
+# snprintf.m4 serial 5
+dnl Copyright (C) 2002-2004, 2007-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_SNPRINTF],
+[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ gl_cv_func_snprintf_usable=no
+ AC_CHECK_FUNCS([snprintf])
+ if test $ac_cv_func_snprintf = yes; then
+ gl_SNPRINTF_SIZE1
+ case "$gl_cv_func_snprintf_size1" in
+ *yes)
+ gl_cv_func_snprintf_usable=yes
+ ;;
+ esac
+ fi
+ if test $gl_cv_func_snprintf_usable = no; then
+ gl_REPLACE_SNPRINTF
+ fi
+ AC_CHECK_DECLS_ONCE([snprintf])
+ if test $ac_cv_have_decl_snprintf = no; then
+ HAVE_DECL_SNPRINTF=0
+ fi
+])
+
+AC_DEFUN([gl_REPLACE_SNPRINTF],
+[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ AC_LIBOBJ([snprintf])
+ if test $ac_cv_func_snprintf = yes; then
+ REPLACE_SNPRINTF=1
+ fi
+ gl_PREREQ_SNPRINTF
+])
+
+# Prerequisites of lib/snprintf.c.
+AC_DEFUN([gl_PREREQ_SNPRINTF], [:])
diff --git a/gl/m4/sockpfaf.m4 b/gl/m4/sockpfaf.m4
new file mode 100644
index 0000000000..25d9755c5e
--- /dev/null
+++ b/gl/m4/sockpfaf.m4
@@ -0,0 +1,58 @@
+# sockpfaf.m4 serial 5
+dnl Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Test for some common socket protocol families (PF_INET, PF_INET6, ...)
+dnl and some common address families (AF_INET, AF_INET6, ...).
+dnl This test assumes that a system supports an address family if and only if
+dnl it supports the corresponding protocol family.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([gl_SOCKET_FAMILIES],
+[
+ AC_REQUIRE([gl_HEADER_SYS_SOCKET])
+ AC_CHECK_HEADERS_ONCE([netinet/in.h])
+
+ AC_MSG_CHECKING(for IPv4 sockets)
+ AC_CACHE_VAL(gl_cv_socket_ipv4,
+ [AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif],
+[int x = AF_INET; struct in_addr y; struct sockaddr_in z;
+ if (&x && &y && &z) return 0;],
+ gl_cv_socket_ipv4=yes, gl_cv_socket_ipv4=no)])
+ AC_MSG_RESULT($gl_cv_socket_ipv4)
+ if test $gl_cv_socket_ipv4 = yes; then
+ AC_DEFINE(HAVE_IPV4, 1, [Define to 1 if <sys/socket.h> defines AF_INET.])
+ fi
+
+ AC_MSG_CHECKING(for IPv6 sockets)
+ AC_CACHE_VAL(gl_cv_socket_ipv6,
+ [AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif],
+[int x = AF_INET6; struct in6_addr y; struct sockaddr_in6 z;
+ if (&x && &y && &z) return 0;],
+ gl_cv_socket_ipv6=yes, gl_cv_socket_ipv6=no)])
+ AC_MSG_RESULT($gl_cv_socket_ipv6)
+ if test $gl_cv_socket_ipv6 = yes; then
+ AC_DEFINE(HAVE_IPV6, 1, [Define to 1 if <sys/socket.h> defines AF_INET6.])
+ fi
+])
diff --git a/gl/m4/stdbool.m4 b/gl/m4/stdbool.m4
new file mode 100644
index 0000000000..2204ecd984
--- /dev/null
+++ b/gl/m4/stdbool.m4
@@ -0,0 +1,115 @@
+# Check for stdbool.h that conforms to C99.
+
+dnl Copyright (C) 2002-2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+# Prepare for substituting <stdbool.h> if it is not supported.
+
+AC_DEFUN([AM_STDBOOL_H],
+[
+ AC_REQUIRE([AC_HEADER_STDBOOL])
+
+ # Define two additional variables used in the Makefile substitution.
+
+ if test "$ac_cv_header_stdbool_h" = yes; then
+ STDBOOL_H=''
+ else
+ STDBOOL_H='stdbool.h'
+ fi
+ AC_SUBST([STDBOOL_H])
+
+ if test "$ac_cv_type__Bool" = yes; then
+ HAVE__BOOL=1
+ else
+ HAVE__BOOL=0
+ fi
+ AC_SUBST([HAVE__BOOL])
+])
+
+# AM_STDBOOL_H will be renamed to gl_STDBOOL_H in the future.
+AC_DEFUN([gl_STDBOOL_H], [AM_STDBOOL_H])
+
+# This macro is only needed in autoconf <= 2.59. Newer versions of autoconf
+# have this macro built-in.
+
+AC_DEFUN([AC_HEADER_STDBOOL],
+ [AC_CACHE_CHECK([for stdbool.h that conforms to C99],
+ [ac_cv_header_stdbool_h],
+ [AC_TRY_COMPILE(
+ [
+ #include <stdbool.h>
+ #ifndef bool
+ "error: bool is not defined"
+ #endif
+ #ifndef false
+ "error: false is not defined"
+ #endif
+ #if false
+ "error: false is not 0"
+ #endif
+ #ifndef true
+ "error: true is not defined"
+ #endif
+ #if true != 1
+ "error: true is not 1"
+ #endif
+ #ifndef __bool_true_false_are_defined
+ "error: __bool_true_false_are_defined is not defined"
+ #endif
+
+ struct s { _Bool s: 1; _Bool t; } s;
+
+ char a[true == 1 ? 1 : -1];
+ char b[false == 0 ? 1 : -1];
+ char c[__bool_true_false_are_defined == 1 ? 1 : -1];
+ char d[(bool) 0.5 == true ? 1 : -1];
+ bool e = &s;
+ char f[(_Bool) 0.0 == false ? 1 : -1];
+ char g[true];
+ char h[sizeof (_Bool)];
+ char i[sizeof s.t];
+ enum { j = false, k = true, l = false * true, m = true * 256 };
+ _Bool n[m];
+ char o[sizeof n == m * sizeof n[0] ? 1 : -1];
+ char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
+ #if defined __xlc__ || defined __GNUC__
+ /* Catch a bug in IBM AIX xlc compiler version 6.0.0.0
+ reported by James Lemley on 2005-10-05; see
+ http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
+ This test is not quite right, since xlc is allowed to
+ reject this program, as the initializer for xlcbug is
+ not one of the forms that C requires support for.
+ However, doing the test right would require a run-time
+ test, and that would make cross-compilation harder.
+ Let us hope that IBM fixes the xlc bug, and also adds
+ support for this kind of constant expression. In the
+ meantime, this test will reject xlc, which is OK, since
+ our stdbool.h substitute should suffice. We also test
+ this with GCC, where it should work, to detect more
+ quickly whether someone messes up the test in the
+ future. */
+ char digs[] = "0123456789";
+ int xlcbug = 1 / (&(digs + 5)[-2 + (bool) 1] == &digs[4] ? 1 : -1);
+ #endif
+ /* Catch a bug in an HP-UX C compiler. See
+ http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+ http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+ */
+ _Bool q = true;
+ _Bool *pq = &q;
+ ],
+ [
+ *pq |= q;
+ *pq |= ! q;
+ /* Refer to every declared value, to avoid compiler optimizations. */
+ return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
+ + !m + !n + !o + !p + !q + !pq);
+ ],
+ [ac_cv_header_stdbool_h=yes],
+ [ac_cv_header_stdbool_h=no])])
+ AC_CHECK_TYPES([_Bool])
+ if test $ac_cv_header_stdbool_h = yes; then
+ AC_DEFINE(HAVE_STDBOOL_H, 1, [Define to 1 if stdbool.h conforms to C99.])
+ fi])
diff --git a/gl/m4/stdint.m4 b/gl/m4/stdint.m4
new file mode 100644
index 0000000000..b255692567
--- /dev/null
+++ b/gl/m4/stdint.m4
@@ -0,0 +1,395 @@
+# stdint.m4 serial 31
+dnl Copyright (C) 2001-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paul Eggert and Bruno Haible.
+dnl Test whether <stdint.h> is supported or must be substituted.
+
+AC_DEFUN([gl_STDINT_H],
+[
+ AC_PREREQ(2.59)dnl
+
+ dnl Check for long long int and unsigned long long int.
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ if test $ac_cv_type_long_long_int = yes; then
+ HAVE_LONG_LONG_INT=1
+ else
+ HAVE_LONG_LONG_INT=0
+ fi
+ AC_SUBST([HAVE_LONG_LONG_INT])
+ AC_REQUIRE([AC_TYPE_UNSIGNED_LONG_LONG_INT])
+ if test $ac_cv_type_unsigned_long_long_int = yes; then
+ HAVE_UNSIGNED_LONG_LONG_INT=1
+ else
+ HAVE_UNSIGNED_LONG_LONG_INT=0
+ fi
+ AC_SUBST([HAVE_UNSIGNED_LONG_LONG_INT])
+
+ dnl Check for <inttypes.h>.
+ dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_inttypes_h.
+ if test $ac_cv_header_inttypes_h = yes; then
+ HAVE_INTTYPES_H=1
+ else
+ HAVE_INTTYPES_H=0
+ fi
+ AC_SUBST([HAVE_INTTYPES_H])
+
+ dnl Check for <sys/types.h>.
+ dnl AC_INCLUDES_DEFAULT defines $ac_cv_header_sys_types_h.
+ if test $ac_cv_header_sys_types_h = yes; then
+ HAVE_SYS_TYPES_H=1
+ else
+ HAVE_SYS_TYPES_H=0
+ fi
+ AC_SUBST([HAVE_SYS_TYPES_H])
+
+ gl_CHECK_NEXT_HEADERS([stdint.h])
+ if test $ac_cv_header_stdint_h = yes; then
+ HAVE_STDINT_H=1
+ else
+ HAVE_STDINT_H=0
+ fi
+ AC_SUBST([HAVE_STDINT_H])
+
+ dnl Now see whether we need a substitute <stdint.h>.
+ if test $ac_cv_header_stdint_h = yes; then
+ AC_CACHE_CHECK([whether stdint.h conforms to C99],
+ [gl_cv_header_working_stdint_h],
+ [gl_cv_header_working_stdint_h=no
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
+#define __STDC_CONSTANT_MACROS 1 /* to make it work also in C++ mode */
+#define _GL_JUST_INCLUDE_SYSTEM_STDINT_H 1 /* work if build isn't clean */
+#include <stdint.h>
+/* Dragonfly defines WCHAR_MIN, WCHAR_MAX only in <wchar.h>. */
+#if !(defined WCHAR_MIN && defined WCHAR_MAX)
+#error "WCHAR_MIN, WCHAR_MAX not defined in <stdint.h>"
+#endif
+]
+gl_STDINT_INCLUDES
+[
+#ifdef INT8_MAX
+int8_t a1 = INT8_MAX;
+int8_t a1min = INT8_MIN;
+#endif
+#ifdef INT16_MAX
+int16_t a2 = INT16_MAX;
+int16_t a2min = INT16_MIN;
+#endif
+#ifdef INT32_MAX
+int32_t a3 = INT32_MAX;
+int32_t a3min = INT32_MIN;
+#endif
+#ifdef INT64_MAX
+int64_t a4 = INT64_MAX;
+int64_t a4min = INT64_MIN;
+#endif
+#ifdef UINT8_MAX
+uint8_t b1 = UINT8_MAX;
+#else
+typedef int b1[(unsigned char) -1 != 255 ? 1 : -1];
+#endif
+#ifdef UINT16_MAX
+uint16_t b2 = UINT16_MAX;
+#endif
+#ifdef UINT32_MAX
+uint32_t b3 = UINT32_MAX;
+#endif
+#ifdef UINT64_MAX
+uint64_t b4 = UINT64_MAX;
+#endif
+int_least8_t c1 = INT8_C (0x7f);
+int_least8_t c1max = INT_LEAST8_MAX;
+int_least8_t c1min = INT_LEAST8_MIN;
+int_least16_t c2 = INT16_C (0x7fff);
+int_least16_t c2max = INT_LEAST16_MAX;
+int_least16_t c2min = INT_LEAST16_MIN;
+int_least32_t c3 = INT32_C (0x7fffffff);
+int_least32_t c3max = INT_LEAST32_MAX;
+int_least32_t c3min = INT_LEAST32_MIN;
+int_least64_t c4 = INT64_C (0x7fffffffffffffff);
+int_least64_t c4max = INT_LEAST64_MAX;
+int_least64_t c4min = INT_LEAST64_MIN;
+uint_least8_t d1 = UINT8_C (0xff);
+uint_least8_t d1max = UINT_LEAST8_MAX;
+uint_least16_t d2 = UINT16_C (0xffff);
+uint_least16_t d2max = UINT_LEAST16_MAX;
+uint_least32_t d3 = UINT32_C (0xffffffff);
+uint_least32_t d3max = UINT_LEAST32_MAX;
+uint_least64_t d4 = UINT64_C (0xffffffffffffffff);
+uint_least64_t d4max = UINT_LEAST64_MAX;
+int_fast8_t e1 = INT_FAST8_MAX;
+int_fast8_t e1min = INT_FAST8_MIN;
+int_fast16_t e2 = INT_FAST16_MAX;
+int_fast16_t e2min = INT_FAST16_MIN;
+int_fast32_t e3 = INT_FAST32_MAX;
+int_fast32_t e3min = INT_FAST32_MIN;
+int_fast64_t e4 = INT_FAST64_MAX;
+int_fast64_t e4min = INT_FAST64_MIN;
+uint_fast8_t f1 = UINT_FAST8_MAX;
+uint_fast16_t f2 = UINT_FAST16_MAX;
+uint_fast32_t f3 = UINT_FAST32_MAX;
+uint_fast64_t f4 = UINT_FAST64_MAX;
+#ifdef INTPTR_MAX
+intptr_t g = INTPTR_MAX;
+intptr_t gmin = INTPTR_MIN;
+#endif
+#ifdef UINTPTR_MAX
+uintptr_t h = UINTPTR_MAX;
+#endif
+intmax_t i = INTMAX_MAX;
+uintmax_t j = UINTMAX_MAX;
+
+#include <limits.h> /* for CHAR_BIT */
+#define TYPE_MINIMUM(t) \
+ ((t) ((t) 0 < (t) -1 ? (t) 0 : ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))
+#define TYPE_MAXIMUM(t) \
+ ((t) ((t) 0 < (t) -1 ? (t) -1 : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1))))
+struct s {
+ int check_PTRDIFF:
+ PTRDIFF_MIN == TYPE_MINIMUM (ptrdiff_t)
+ && PTRDIFF_MAX == TYPE_MAXIMUM (ptrdiff_t)
+ ? 1 : -1;
+ /* Detect bug in FreeBSD 6.0 / ia64. */
+ int check_SIG_ATOMIC:
+ SIG_ATOMIC_MIN == TYPE_MINIMUM (sig_atomic_t)
+ && SIG_ATOMIC_MAX == TYPE_MAXIMUM (sig_atomic_t)
+ ? 1 : -1;
+ int check_SIZE: SIZE_MAX == TYPE_MAXIMUM (size_t) ? 1 : -1;
+ int check_WCHAR:
+ WCHAR_MIN == TYPE_MINIMUM (wchar_t)
+ && WCHAR_MAX == TYPE_MAXIMUM (wchar_t)
+ ? 1 : -1;
+ /* Detect bug in mingw. */
+ int check_WINT:
+ WINT_MIN == TYPE_MINIMUM (wint_t)
+ && WINT_MAX == TYPE_MAXIMUM (wint_t)
+ ? 1 : -1;
+
+ /* Detect bugs in glibc 2.4 and Solaris 10 stdint.h, among others. */
+ int check_UINT8_C:
+ (-1 < UINT8_C (0)) == (-1 < (uint_least8_t) 0) ? 1 : -1;
+ int check_UINT16_C:
+ (-1 < UINT16_C (0)) == (-1 < (uint_least16_t) 0) ? 1 : -1;
+
+ /* Detect bugs in OpenBSD 3.9 stdint.h. */
+#ifdef UINT8_MAX
+ int check_uint8: (uint8_t) -1 == UINT8_MAX ? 1 : -1;
+#endif
+#ifdef UINT16_MAX
+ int check_uint16: (uint16_t) -1 == UINT16_MAX ? 1 : -1;
+#endif
+#ifdef UINT32_MAX
+ int check_uint32: (uint32_t) -1 == UINT32_MAX ? 1 : -1;
+#endif
+#ifdef UINT64_MAX
+ int check_uint64: (uint64_t) -1 == UINT64_MAX ? 1 : -1;
+#endif
+ int check_uint_least8: (uint_least8_t) -1 == UINT_LEAST8_MAX ? 1 : -1;
+ int check_uint_least16: (uint_least16_t) -1 == UINT_LEAST16_MAX ? 1 : -1;
+ int check_uint_least32: (uint_least32_t) -1 == UINT_LEAST32_MAX ? 1 : -1;
+ int check_uint_least64: (uint_least64_t) -1 == UINT_LEAST64_MAX ? 1 : -1;
+ int check_uint_fast8: (uint_fast8_t) -1 == UINT_FAST8_MAX ? 1 : -1;
+ int check_uint_fast16: (uint_fast16_t) -1 == UINT_FAST16_MAX ? 1 : -1;
+ int check_uint_fast32: (uint_fast32_t) -1 == UINT_FAST32_MAX ? 1 : -1;
+ int check_uint_fast64: (uint_fast64_t) -1 == UINT_FAST64_MAX ? 1 : -1;
+ int check_uintptr: (uintptr_t) -1 == UINTPTR_MAX ? 1 : -1;
+ int check_uintmax: (uintmax_t) -1 == UINTMAX_MAX ? 1 : -1;
+ int check_size: (size_t) -1 == SIZE_MAX ? 1 : -1;
+};
+ ]])],
+ [gl_cv_header_working_stdint_h=yes])])
+ fi
+ if test "$gl_cv_header_working_stdint_h" = yes; then
+ STDINT_H=
+ else
+ dnl Check for <sys/inttypes.h>, and for
+ dnl <sys/bitypes.h> (used in Linux libc4 >= 4.6.7 and libc5).
+ AC_CHECK_HEADERS([sys/inttypes.h sys/bitypes.h])
+ if test $ac_cv_header_sys_inttypes_h = yes; then
+ HAVE_SYS_INTTYPES_H=1
+ else
+ HAVE_SYS_INTTYPES_H=0
+ fi
+ AC_SUBST([HAVE_SYS_INTTYPES_H])
+ if test $ac_cv_header_sys_bitypes_h = yes; then
+ HAVE_SYS_BITYPES_H=1
+ else
+ HAVE_SYS_BITYPES_H=0
+ fi
+ AC_SUBST([HAVE_SYS_BITYPES_H])
+
+ dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
+ dnl character support).
+ AC_CHECK_HEADERS_ONCE([wchar.h])
+
+ gl_STDINT_TYPE_PROPERTIES
+ STDINT_H=stdint.h
+ fi
+ AC_SUBST(STDINT_H)
+])
+
+dnl gl_STDINT_BITSIZEOF(TYPES, INCLUDES)
+dnl Determine the size of each of the given types in bits.
+AC_DEFUN([gl_STDINT_BITSIZEOF],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in,
+ dnl - extra AC_SUBST calls, so that the right substitutions are made.
+ m4_foreach_w([gltype], [$1],
+ [AH_TEMPLATE([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
+ [Define to the number of bits in type ']gltype['.])])
+ for gltype in $1 ; do
+ AC_CACHE_CHECK([for bit size of $gltype], [gl_cv_bitsizeof_${gltype}],
+ [AC_COMPUTE_INT([result], [sizeof ($gltype) * CHAR_BIT],
+ [$2
+#include <limits.h>], [result=unknown])
+ eval gl_cv_bitsizeof_${gltype}=\$result
+ ])
+ eval result=\$gl_cv_bitsizeof_${gltype}
+ if test $result = unknown; then
+ dnl Use a nonempty default, because some compilers, such as IRIX 5 cc,
+ dnl do a syntax check even on unused #if conditions and give an error
+ dnl on valid C code like this:
+ dnl #if 0
+ dnl # if > 32
+ dnl # endif
+ dnl #endif
+ result=0
+ fi
+ GLTYPE=`echo "$gltype" | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
+ AC_DEFINE_UNQUOTED([BITSIZEOF_${GLTYPE}], [$result])
+ eval BITSIZEOF_${GLTYPE}=\$result
+ done
+ m4_foreach_w([gltype], [$1],
+ [AC_SUBST([BITSIZEOF_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
+])
+
+dnl gl_CHECK_TYPES_SIGNED(TYPES, INCLUDES)
+dnl Determine the signedness of each of the given types.
+dnl Define HAVE_SIGNED_TYPE if type is signed.
+AC_DEFUN([gl_CHECK_TYPES_SIGNED],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in,
+ dnl - extra AC_SUBST calls, so that the right substitutions are made.
+ m4_foreach_w([gltype], [$1],
+ [AH_TEMPLATE([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]),
+ [Define to 1 if ']gltype[' is a signed integer type.])])
+ for gltype in $1 ; do
+ AC_CACHE_CHECK([whether $gltype is signed], [gl_cv_type_${gltype}_signed],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([$2[
+ int verify[2 * (($gltype) -1 < ($gltype) 0) - 1];]])],
+ result=yes, result=no)
+ eval gl_cv_type_${gltype}_signed=\$result
+ ])
+ eval result=\$gl_cv_type_${gltype}_signed
+ GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
+ if test "$result" = yes; then
+ AC_DEFINE_UNQUOTED([HAVE_SIGNED_${GLTYPE}], 1)
+ eval HAVE_SIGNED_${GLTYPE}=1
+ else
+ eval HAVE_SIGNED_${GLTYPE}=0
+ fi
+ done
+ m4_foreach_w([gltype], [$1],
+ [AC_SUBST([HAVE_SIGNED_]translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]))])
+])
+
+dnl gl_INTEGER_TYPE_SUFFIX(TYPES, INCLUDES)
+dnl Determine the suffix to use for integer constants of the given types.
+dnl Define t_SUFFIX for each such type.
+AC_DEFUN([gl_INTEGER_TYPE_SUFFIX],
+[
+ dnl Use a shell loop, to avoid bloating configure, and
+ dnl - extra AH_TEMPLATE calls, so that autoheader knows what to put into
+ dnl config.h.in,
+ dnl - extra AC_SUBST calls, so that the right substitutions are made.
+ m4_foreach_w([gltype], [$1],
+ [AH_TEMPLATE(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX],
+ [Define to l, ll, u, ul, ull, etc., as suitable for
+ constants of type ']gltype['.])])
+ for gltype in $1 ; do
+ AC_CACHE_CHECK([for $gltype integer literal suffix],
+ [gl_cv_type_${gltype}_suffix],
+ [eval gl_cv_type_${gltype}_suffix=no
+ eval result=\$gl_cv_type_${gltype}_signed
+ if test "$result" = yes; then
+ glsufu=
+ else
+ glsufu=u
+ fi
+ for glsuf in "$glsufu" ${glsufu}l ${glsufu}ll ${glsufu}i64; do
+ case $glsuf in
+ '') gltype1='int';;
+ l) gltype1='long int';;
+ ll) gltype1='long long int';;
+ i64) gltype1='__int64';;
+ u) gltype1='unsigned int';;
+ ul) gltype1='unsigned long int';;
+ ull) gltype1='unsigned long long int';;
+ ui64)gltype1='unsigned __int64';;
+ esac
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([$2[
+ extern $gltype foo;
+ extern $gltype1 foo;]])],
+ [eval gl_cv_type_${gltype}_suffix=\$glsuf])
+ eval result=\$gl_cv_type_${gltype}_suffix
+ test "$result" != no && break
+ done])
+ GLTYPE=`echo $gltype | tr 'abcdefghijklmnopqrstuvwxyz ' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ_'`
+ eval result=\$gl_cv_type_${gltype}_suffix
+ test "$result" = no && result=
+ eval ${GLTYPE}_SUFFIX=\$result
+ AC_DEFINE_UNQUOTED([${GLTYPE}_SUFFIX], $result)
+ done
+ m4_foreach_w([gltype], [$1],
+ [AC_SUBST(translit(gltype,[abcdefghijklmnopqrstuvwxyz ],[ABCDEFGHIJKLMNOPQRSTUVWXYZ_])[_SUFFIX])])
+])
+
+dnl gl_STDINT_INCLUDES
+AC_DEFUN([gl_STDINT_INCLUDES],
+[[
+ /* BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+ #include <stddef.h>
+ #include <signal.h>
+ #if HAVE_WCHAR_H
+ # include <stdio.h>
+ # include <time.h>
+ # include <wchar.h>
+ #endif
+]])
+
+dnl gl_STDINT_TYPE_PROPERTIES
+dnl Compute HAVE_SIGNED_t, BITSIZEOF_t and t_SUFFIX, for all the types t
+dnl of interest to stdint.in.h.
+AC_DEFUN([gl_STDINT_TYPE_PROPERTIES],
+[
+ gl_STDINT_BITSIZEOF([ptrdiff_t sig_atomic_t size_t wchar_t wint_t],
+ [gl_STDINT_INCLUDES])
+ gl_CHECK_TYPES_SIGNED([sig_atomic_t wchar_t wint_t],
+ [gl_STDINT_INCLUDES])
+ gl_cv_type_ptrdiff_t_signed=yes
+ gl_cv_type_size_t_signed=no
+ gl_INTEGER_TYPE_SUFFIX([ptrdiff_t sig_atomic_t size_t wchar_t wint_t],
+ [gl_STDINT_INCLUDES])
+])
+
+dnl Autoconf >= 2.61 has AC_COMPUTE_INT built-in.
+dnl Remove this when we can assume autoconf >= 2.61.
+m4_ifdef([AC_COMPUTE_INT], [], [
+ AC_DEFUN([AC_COMPUTE_INT], [_AC_COMPUTE_INT([$2],[$1],[$3],[$4])])
+])
+
+# Hey Emacs!
+# Local Variables:
+# indent-tabs-mode: nil
+# End:
diff --git a/gl/m4/stdint_h.m4 b/gl/m4/stdint_h.m4
new file mode 100644
index 0000000000..db9a8ac4c2
--- /dev/null
+++ b/gl/m4/stdint_h.m4
@@ -0,0 +1,26 @@
+# stdint_h.m4 serial 6
+dnl Copyright (C) 1997-2004, 2006 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paul Eggert.
+
+# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([gl_AC_HEADER_STDINT_H],
+[
+ AC_CACHE_CHECK([for stdint.h], gl_cv_header_stdint_h,
+ [AC_TRY_COMPILE(
+ [#include <sys/types.h>
+#include <stdint.h>],
+ [uintmax_t i = (uintmax_t) -1; return !i;],
+ gl_cv_header_stdint_h=yes,
+ gl_cv_header_stdint_h=no)])
+ if test $gl_cv_header_stdint_h = yes; then
+ AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
+ [Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
+ and declares uintmax_t. ])
+ fi
+])
diff --git a/gl/m4/stdio_h.m4 b/gl/m4/stdio_h.m4
new file mode 100644
index 0000000000..60b4bd791a
--- /dev/null
+++ b/gl/m4/stdio_h.m4
@@ -0,0 +1,127 @@
+# stdio_h.m4 serial 14
+dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_STDIO_H],
+[
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ gl_CHECK_NEXT_HEADERS([stdio.h])
+ dnl No need to create extra modules for these functions. Everyone who uses
+ dnl <stdio.h> likely needs them.
+ GNULIB_FPRINTF=1
+ GNULIB_PRINTF=1
+ GNULIB_VFPRINTF=1
+ GNULIB_VPRINTF=1
+ GNULIB_FPUTC=1
+ GNULIB_PUTC=1
+ GNULIB_PUTCHAR=1
+ GNULIB_FPUTS=1
+ GNULIB_PUTS=1
+ GNULIB_FWRITE=1
+ dnl This ifdef is just an optimization, to avoid performing a configure
+ dnl check whose result is not used. It does not make the test of
+ dnl GNULIB_STDIO_H_SIGPIPE or GNULIB_SIGPIPE redundant.
+ m4_ifdef([gl_SIGNAL_SIGPIPE], [
+ gl_SIGNAL_SIGPIPE
+ if test $gl_cv_header_signal_h_SIGPIPE != yes; then
+ REPLACE_STDIO_WRITE_FUNCS=1
+ AC_LIBOBJ([stdio-write])
+ fi
+ ])
+])
+
+AC_DEFUN([gl_STDIO_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_STDIO_H_DEFAULTS],
+[
+ GNULIB_FPRINTF=0; AC_SUBST([GNULIB_FPRINTF])
+ GNULIB_FPRINTF_POSIX=0; AC_SUBST([GNULIB_FPRINTF_POSIX])
+ GNULIB_PRINTF=0; AC_SUBST([GNULIB_PRINTF])
+ GNULIB_PRINTF_POSIX=0; AC_SUBST([GNULIB_PRINTF_POSIX])
+ GNULIB_SNPRINTF=0; AC_SUBST([GNULIB_SNPRINTF])
+ GNULIB_SPRINTF_POSIX=0; AC_SUBST([GNULIB_SPRINTF_POSIX])
+ GNULIB_VFPRINTF=0; AC_SUBST([GNULIB_VFPRINTF])
+ GNULIB_VFPRINTF_POSIX=0; AC_SUBST([GNULIB_VFPRINTF_POSIX])
+ GNULIB_VPRINTF=0; AC_SUBST([GNULIB_VPRINTF])
+ GNULIB_VPRINTF_POSIX=0; AC_SUBST([GNULIB_VPRINTF_POSIX])
+ GNULIB_VSNPRINTF=0; AC_SUBST([GNULIB_VSNPRINTF])
+ GNULIB_VSPRINTF_POSIX=0; AC_SUBST([GNULIB_VSPRINTF_POSIX])
+ GNULIB_VASPRINTF=0; AC_SUBST([GNULIB_VASPRINTF])
+ GNULIB_OBSTACK_PRINTF=0; AC_SUBST([GNULIB_OBSTACK_PRINTF])
+ GNULIB_OBSTACK_PRINTF_POSIX=0; AC_SUBST([GNULIB_OBSTACK_PRINTF_POSIX])
+ GNULIB_FOPEN=0; AC_SUBST([GNULIB_FOPEN])
+ GNULIB_FREOPEN=0; AC_SUBST([GNULIB_FREOPEN])
+ GNULIB_FSEEK=0; AC_SUBST([GNULIB_FSEEK])
+ GNULIB_FSEEKO=0; AC_SUBST([GNULIB_FSEEKO])
+ GNULIB_FTELL=0; AC_SUBST([GNULIB_FTELL])
+ GNULIB_FTELLO=0; AC_SUBST([GNULIB_FTELLO])
+ GNULIB_FFLUSH=0; AC_SUBST([GNULIB_FFLUSH])
+ GNULIB_FCLOSE=0; AC_SUBST([GNULIB_FCLOSE])
+ GNULIB_FPUTC=0; AC_SUBST([GNULIB_FPUTC])
+ GNULIB_PUTC=0; AC_SUBST([GNULIB_PUTC])
+ GNULIB_PUTCHAR=0; AC_SUBST([GNULIB_PUTCHAR])
+ GNULIB_FPUTS=0; AC_SUBST([GNULIB_FPUTS])
+ GNULIB_PUTS=0; AC_SUBST([GNULIB_PUTS])
+ GNULIB_FWRITE=0; AC_SUBST([GNULIB_FWRITE])
+ GNULIB_GETDELIM=0; AC_SUBST([GNULIB_GETDELIM])
+ GNULIB_GETLINE=0; AC_SUBST([GNULIB_GETLINE])
+ GNULIB_PERROR=0; AC_SUBST([GNULIB_PERROR])
+ GNULIB_STDIO_H_SIGPIPE=0; AC_SUBST([GNULIB_STDIO_H_SIGPIPE])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ REPLACE_STDIO_WRITE_FUNCS=0; AC_SUBST([REPLACE_STDIO_WRITE_FUNCS])
+ REPLACE_FPRINTF=0; AC_SUBST([REPLACE_FPRINTF])
+ REPLACE_VFPRINTF=0; AC_SUBST([REPLACE_VFPRINTF])
+ REPLACE_PRINTF=0; AC_SUBST([REPLACE_PRINTF])
+ REPLACE_VPRINTF=0; AC_SUBST([REPLACE_VPRINTF])
+ REPLACE_SNPRINTF=0; AC_SUBST([REPLACE_SNPRINTF])
+ HAVE_DECL_SNPRINTF=1; AC_SUBST([HAVE_DECL_SNPRINTF])
+ REPLACE_VSNPRINTF=0; AC_SUBST([REPLACE_VSNPRINTF])
+ HAVE_DECL_VSNPRINTF=1; AC_SUBST([HAVE_DECL_VSNPRINTF])
+ REPLACE_SPRINTF=0; AC_SUBST([REPLACE_SPRINTF])
+ REPLACE_VSPRINTF=0; AC_SUBST([REPLACE_VSPRINTF])
+ HAVE_VASPRINTF=1; AC_SUBST([HAVE_VASPRINTF])
+ REPLACE_VASPRINTF=0; AC_SUBST([REPLACE_VASPRINTF])
+ HAVE_DECL_OBSTACK_PRINTF=1; AC_SUBST([HAVE_DECL_OBSTACK_PRINTF])
+ REPLACE_OBSTACK_PRINTF=0; AC_SUBST([REPLACE_OBSTACK_PRINTF])
+ REPLACE_FOPEN=0; AC_SUBST([REPLACE_FOPEN])
+ REPLACE_FREOPEN=0; AC_SUBST([REPLACE_FREOPEN])
+ HAVE_FSEEKO=1; AC_SUBST([HAVE_FSEEKO])
+ REPLACE_FSEEKO=0; AC_SUBST([REPLACE_FSEEKO])
+ REPLACE_FSEEK=0; AC_SUBST([REPLACE_FSEEK])
+ HAVE_FTELLO=1; AC_SUBST([HAVE_FTELLO])
+ REPLACE_FTELLO=0; AC_SUBST([REPLACE_FTELLO])
+ REPLACE_FTELL=0; AC_SUBST([REPLACE_FTELL])
+ REPLACE_FFLUSH=0; AC_SUBST([REPLACE_FFLUSH])
+ REPLACE_FCLOSE=0; AC_SUBST([REPLACE_FCLOSE])
+ HAVE_DECL_GETDELIM=1; AC_SUBST([HAVE_DECL_GETDELIM])
+ HAVE_DECL_GETLINE=1; AC_SUBST([HAVE_DECL_GETLINE])
+ REPLACE_GETLINE=0; AC_SUBST([REPLACE_GETLINE])
+ REPLACE_PERROR=0; AC_SUBST([REPLACE_PERROR])
+])
+
+dnl Code shared by fseeko and ftello. Determine if large files are supported,
+dnl but stdin does not start as a large file by default.
+AC_DEFUN([gl_STDIN_LARGE_OFFSET],
+ [
+ AC_CACHE_CHECK([whether stdin defaults to large file offsets],
+ [gl_cv_var_stdin_large_offset],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]],
+[[#if defined __SL64 && defined __SCLE /* cygwin */
+ /* Cygwin 1.5.24 and earlier fail to put stdin in 64-bit mode, making
+ fseeko/ftello needlessly fail. This bug was fixed in 1.5.25, and
+ it is easier to do a version check than building a runtime test. */
+# include <cygwin/version.h>
+# if CYGWIN_VERSION_DLL_COMBINED < CYGWIN_VERSION_DLL_MAKE_COMBINED (1005, 25)
+ choke me
+# endif
+#endif]])],
+ [gl_cv_var_stdin_large_offset=yes],
+ [gl_cv_var_stdin_large_offset=no])])
+])
diff --git a/gl/m4/stdlib_h.m4 b/gl/m4/stdlib_h.m4
new file mode 100644
index 0000000000..582db13dff
--- /dev/null
+++ b/gl/m4/stdlib_h.m4
@@ -0,0 +1,62 @@
+# stdlib_h.m4 serial 13
+dnl Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_STDLIB_H],
+[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ gl_CHECK_NEXT_HEADERS([stdlib.h])
+ AC_CHECK_TYPES([struct random_data],
+ [], [HAVE_STRUCT_RANDOM_DATA=0],
+ [[#include <stdlib.h>]])
+])
+
+AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_STDLIB_H_DEFAULTS],
+[
+ GNULIB_MALLOC_POSIX=0; AC_SUBST([GNULIB_MALLOC_POSIX])
+ GNULIB_REALLOC_POSIX=0; AC_SUBST([GNULIB_REALLOC_POSIX])
+ GNULIB_CALLOC_POSIX=0; AC_SUBST([GNULIB_CALLOC_POSIX])
+ GNULIB_ATOLL=0; AC_SUBST([GNULIB_ATOLL])
+ GNULIB_GETLOADAVG=0; AC_SUBST([GNULIB_GETLOADAVG])
+ GNULIB_GETSUBOPT=0; AC_SUBST([GNULIB_GETSUBOPT])
+ GNULIB_MKDTEMP=0; AC_SUBST([GNULIB_MKDTEMP])
+ GNULIB_MKSTEMP=0; AC_SUBST([GNULIB_MKSTEMP])
+ GNULIB_PUTENV=0; AC_SUBST([GNULIB_PUTENV])
+ GNULIB_RANDOM_R=0; AC_SUBST([GNULIB_RANDOM_R])
+ GNULIB_RPMATCH=0; AC_SUBST([GNULIB_RPMATCH])
+ GNULIB_SETENV=0; AC_SUBST([GNULIB_SETENV])
+ GNULIB_STRTOD=0; AC_SUBST([GNULIB_STRTOD])
+ GNULIB_STRTOLL=0; AC_SUBST([GNULIB_STRTOLL])
+ GNULIB_STRTOULL=0; AC_SUBST([GNULIB_STRTOULL])
+ GNULIB_UNSETENV=0; AC_SUBST([GNULIB_UNSETENV])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_ATOLL=1; AC_SUBST([HAVE_ATOLL])
+ HAVE_CALLOC_POSIX=1; AC_SUBST([HAVE_CALLOC_POSIX])
+ HAVE_GETSUBOPT=1; AC_SUBST([HAVE_GETSUBOPT])
+ HAVE_MALLOC_POSIX=1; AC_SUBST([HAVE_MALLOC_POSIX])
+ HAVE_MKDTEMP=1; AC_SUBST([HAVE_MKDTEMP])
+ HAVE_REALLOC_POSIX=1; AC_SUBST([HAVE_REALLOC_POSIX])
+ HAVE_RANDOM_R=1; AC_SUBST([HAVE_RANDOM_R])
+ HAVE_RPMATCH=1; AC_SUBST([HAVE_RPMATCH])
+ HAVE_SETENV=1; AC_SUBST([HAVE_SETENV])
+ HAVE_STRTOD=1; AC_SUBST([HAVE_STRTOD])
+ HAVE_STRTOLL=1; AC_SUBST([HAVE_STRTOLL])
+ HAVE_STRTOULL=1; AC_SUBST([HAVE_STRTOULL])
+ HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
+ HAVE_SYS_LOADAVG_H=0; AC_SUBST([HAVE_SYS_LOADAVG_H])
+ HAVE_UNSETENV=1; AC_SUBST([HAVE_UNSETENV])
+ HAVE_DECL_GETLOADAVG=1; AC_SUBST([HAVE_DECL_GETLOADAVG])
+ REPLACE_MKSTEMP=0; AC_SUBST([REPLACE_MKSTEMP])
+ REPLACE_PUTENV=0; AC_SUBST([REPLACE_PUTENV])
+ REPLACE_STRTOD=0; AC_SUBST([REPLACE_STRTOD])
+ VOID_UNSETENV=0; AC_SUBST([VOID_UNSETENV])
+])
diff --git a/gl/m4/string_h.m4 b/gl/m4/string_h.m4
new file mode 100644
index 0000000000..2d5553c374
--- /dev/null
+++ b/gl/m4/string_h.m4
@@ -0,0 +1,92 @@
+# Configure a GNU-like replacement for <string.h>.
+
+# Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# serial 6
+
+# Written by Paul Eggert.
+
+AC_DEFUN([gl_HEADER_STRING_H],
+[
+ dnl Use AC_REQUIRE here, so that the default behavior below is expanded
+ dnl once only, before all statements that occur in other macros.
+ AC_REQUIRE([gl_HEADER_STRING_H_BODY])
+])
+
+AC_DEFUN([gl_HEADER_STRING_H_BODY],
+[
+ AC_REQUIRE([AC_C_RESTRICT])
+ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+ gl_CHECK_NEXT_HEADERS([string.h])
+])
+
+AC_DEFUN([gl_STRING_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_HEADER_STRING_H_DEFAULTS],
+[
+ GNULIB_MEMMEM=0; AC_SUBST([GNULIB_MEMMEM])
+ GNULIB_MEMPCPY=0; AC_SUBST([GNULIB_MEMPCPY])
+ GNULIB_MEMRCHR=0; AC_SUBST([GNULIB_MEMRCHR])
+ GNULIB_RAWMEMCHR=0; AC_SUBST([GNULIB_RAWMEMCHR])
+ GNULIB_STPCPY=0; AC_SUBST([GNULIB_STPCPY])
+ GNULIB_STPNCPY=0; AC_SUBST([GNULIB_STPNCPY])
+ GNULIB_STRCHRNUL=0; AC_SUBST([GNULIB_STRCHRNUL])
+ GNULIB_STRDUP=0; AC_SUBST([GNULIB_STRDUP])
+ GNULIB_STRNDUP=0; AC_SUBST([GNULIB_STRNDUP])
+ GNULIB_STRNLEN=0; AC_SUBST([GNULIB_STRNLEN])
+ GNULIB_STRPBRK=0; AC_SUBST([GNULIB_STRPBRK])
+ GNULIB_STRSEP=0; AC_SUBST([GNULIB_STRSEP])
+ GNULIB_STRSTR=0; AC_SUBST([GNULIB_STRSTR])
+ GNULIB_STRCASESTR=0; AC_SUBST([GNULIB_STRCASESTR])
+ GNULIB_STRTOK_R=0; AC_SUBST([GNULIB_STRTOK_R])
+ GNULIB_MBSLEN=0; AC_SUBST([GNULIB_MBSLEN])
+ GNULIB_MBSNLEN=0; AC_SUBST([GNULIB_MBSNLEN])
+ GNULIB_MBSCHR=0; AC_SUBST([GNULIB_MBSCHR])
+ GNULIB_MBSRCHR=0; AC_SUBST([GNULIB_MBSRCHR])
+ GNULIB_MBSSTR=0; AC_SUBST([GNULIB_MBSSTR])
+ GNULIB_MBSCASECMP=0; AC_SUBST([GNULIB_MBSCASECMP])
+ GNULIB_MBSNCASECMP=0; AC_SUBST([GNULIB_MBSNCASECMP])
+ GNULIB_MBSPCASECMP=0; AC_SUBST([GNULIB_MBSPCASECMP])
+ GNULIB_MBSCASESTR=0; AC_SUBST([GNULIB_MBSCASESTR])
+ GNULIB_MBSCSPN=0; AC_SUBST([GNULIB_MBSCSPN])
+ GNULIB_MBSPBRK=0; AC_SUBST([GNULIB_MBSPBRK])
+ GNULIB_MBSSPN=0; AC_SUBST([GNULIB_MBSSPN])
+ GNULIB_MBSSEP=0; AC_SUBST([GNULIB_MBSSEP])
+ GNULIB_MBSTOK_R=0; AC_SUBST([GNULIB_MBSTOK_R])
+ GNULIB_STRERROR=0; AC_SUBST([GNULIB_STRERROR])
+ GNULIB_STRSIGNAL=0; AC_SUBST([GNULIB_STRSIGNAL])
+ GNULIB_STRVERSCMP=0; AC_SUBST([GNULIB_STRVERSCMP])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_DECL_MEMMEM=1; AC_SUBST([HAVE_DECL_MEMMEM])
+ HAVE_MEMPCPY=1; AC_SUBST([HAVE_MEMPCPY])
+ HAVE_DECL_MEMRCHR=1; AC_SUBST([HAVE_DECL_MEMRCHR])
+ HAVE_RAWMEMCHR=1; AC_SUBST([HAVE_RAWMEMCHR])
+ HAVE_STPCPY=1; AC_SUBST([HAVE_STPCPY])
+ HAVE_STPNCPY=1; AC_SUBST([HAVE_STPNCPY])
+ HAVE_STRCHRNUL=1; AC_SUBST([HAVE_STRCHRNUL])
+ HAVE_DECL_STRDUP=1; AC_SUBST([HAVE_DECL_STRDUP])
+ HAVE_STRNDUP=1; AC_SUBST([HAVE_STRNDUP])
+ HAVE_DECL_STRNDUP=1; AC_SUBST([HAVE_DECL_STRNDUP])
+ HAVE_DECL_STRNLEN=1; AC_SUBST([HAVE_DECL_STRNLEN])
+ HAVE_STRPBRK=1; AC_SUBST([HAVE_STRPBRK])
+ HAVE_STRSEP=1; AC_SUBST([HAVE_STRSEP])
+ HAVE_STRCASESTR=1; AC_SUBST([HAVE_STRCASESTR])
+ HAVE_DECL_STRTOK_R=1; AC_SUBST([HAVE_DECL_STRTOK_R])
+ HAVE_DECL_STRERROR=1; AC_SUBST([HAVE_DECL_STRERROR])
+ HAVE_DECL_STRSIGNAL=1; AC_SUBST([HAVE_DECL_STRSIGNAL])
+ HAVE_STRVERSCMP=1; AC_SUBST([HAVE_STRVERSCMP])
+ REPLACE_MEMMEM=0; AC_SUBST([REPLACE_MEMMEM])
+ REPLACE_STRDUP=0; AC_SUBST([REPLACE_STRDUP])
+ REPLACE_STRSTR=0; AC_SUBST([REPLACE_STRSTR])
+ REPLACE_STRCASESTR=0; AC_SUBST([REPLACE_STRCASESTR])
+ REPLACE_STRERROR=0; AC_SUBST([REPLACE_STRERROR])
+ REPLACE_STRSIGNAL=0; AC_SUBST([REPLACE_STRSIGNAL])
+])
diff --git a/gl/m4/sys_socket_h.m4 b/gl/m4/sys_socket_h.m4
new file mode 100644
index 0000000000..85a0ace8ad
--- /dev/null
+++ b/gl/m4/sys_socket_h.m4
@@ -0,0 +1,117 @@
+# sys_socket_h.m4 serial 12
+dnl Copyright (C) 2005-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Simon Josefsson.
+
+AC_DEFUN([gl_HEADER_SYS_SOCKET],
+[
+ AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
+ AC_REQUIRE([AC_C_INLINE])
+
+ AC_CACHE_CHECK([whether <sys/socket.h> is self-contained],
+ [gl_cv_header_sys_socket_h_selfcontained],
+ [
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]], [[]])],
+ [gl_cv_header_sys_socket_h_selfcontained=yes],
+ [gl_cv_header_sys_socket_h_selfcontained=no])
+ ])
+ if test $gl_cv_header_sys_socket_h_selfcontained = yes; then
+ SYS_SOCKET_H=''
+ dnl If the shutdown function exists, <sys/socket.h> should define
+ dnl SHUT_RD, SHUT_WR, SHUT_RDWR.
+ AC_CHECK_FUNCS([shutdown])
+ if test $ac_cv_func_shutdown = yes; then
+ AC_CACHE_CHECK([whether <sys/socket.h> defines the SHUT_* macros],
+ [gl_cv_header_sys_socket_h_shut],
+ [
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#include <sys/socket.h>]],
+ [[int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };]])],
+ [gl_cv_header_sys_socket_h_shut=yes],
+ [gl_cv_header_sys_socket_h_shut=no])
+ ])
+ if test $gl_cv_header_sys_socket_h_shut = no; then
+ SYS_SOCKET_H='sys/socket.h'
+ fi
+ fi
+ else
+ SYS_SOCKET_H='sys/socket.h'
+ fi
+ if test -n "$SYS_SOCKET_H"; then
+ dnl Check prerequisites of the <sys/socket.h> replacement.
+ gl_CHECK_NEXT_HEADERS([sys/socket.h])
+ if test $ac_cv_header_sys_socket_h = yes; then
+ HAVE_SYS_SOCKET_H=1
+ HAVE_WS2TCPIP_H=0
+ else
+ HAVE_SYS_SOCKET_H=0
+ dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make
+ dnl the check for those headers unconditional; yet cygwin reports
+ dnl that the headers are present but cannot be compiled (since on
+ dnl cygwin, all socket information should come from sys/socket.h).
+ AC_CHECK_HEADERS([ws2tcpip.h])
+ if test $ac_cv_header_ws2tcpip_h = yes; then
+ HAVE_WS2TCPIP_H=1
+ else
+ HAVE_WS2TCPIP_H=0
+ fi
+ fi
+ gl_PREREQ_SYS_H_WINSOCK2
+ AC_SUBST([HAVE_SYS_SOCKET_H])
+ AC_SUBST([HAVE_WS2TCPIP_H])
+ fi
+ AC_SUBST([SYS_SOCKET_H])
+])
+
+# Common prerequisites of of the <sys/socket.h> replacement and of the
+# <sys/select.h> replacement.
+# Sets and substitutes HAVE_WINSOCK2_H.
+AC_DEFUN([gl_PREREQ_SYS_H_WINSOCK2],
+[
+ m4_ifdef([gl_UNISTD_H_DEFAULTS], [AC_REQUIRE([gl_UNISTD_H_DEFAULTS])])
+ m4_ifdef([gl_SYS_IOCTL_H_DEFAULTS], [AC_REQUIRE([gl_SYS_IOCTL_H_DEFAULTS])])
+ AC_CHECK_HEADERS_ONCE([sys/socket.h])
+ if test $ac_cv_header_sys_socket_h != yes; then
+ dnl We cannot use AC_CHECK_HEADERS_ONCE here, because that would make
+ dnl the check for those headers unconditional; yet cygwin reports
+ dnl that the headers are present but cannot be compiled (since on
+ dnl cygwin, all socket information should come from sys/socket.h).
+ AC_CHECK_HEADERS([winsock2.h])
+ fi
+ if test "$ac_cv_header_winsock2_h" = yes; then
+ HAVE_WINSOCK2_H=1
+ UNISTD_H_HAVE_WINSOCK2_H=1
+ SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+ else
+ HAVE_WINSOCK2_H=0
+ fi
+ AC_SUBST([HAVE_WINSOCK2_H])
+])
+
+AC_DEFUN([gl_SYS_SOCKET_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_SYS_SOCKET_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_SYS_SOCKET_H_DEFAULTS],
+[
+ GNULIB_SOCKET=0; AC_SUBST([GNULIB_SOCKET])
+ GNULIB_CONNECT=0; AC_SUBST([GNULIB_CONNECT])
+ GNULIB_ACCEPT=0; AC_SUBST([GNULIB_ACCEPT])
+ GNULIB_BIND=0; AC_SUBST([GNULIB_BIND])
+ GNULIB_GETPEERNAME=0; AC_SUBST([GNULIB_GETPEERNAME])
+ GNULIB_GETSOCKNAME=0; AC_SUBST([GNULIB_GETSOCKNAME])
+ GNULIB_GETSOCKOPT=0; AC_SUBST([GNULIB_GETSOCKOPT])
+ GNULIB_LISTEN=0; AC_SUBST([GNULIB_LISTEN])
+ GNULIB_RECV=0; AC_SUBST([GNULIB_RECV])
+ GNULIB_SEND=0; AC_SUBST([GNULIB_SEND])
+ GNULIB_RECVFROM=0; AC_SUBST([GNULIB_RECVFROM])
+ GNULIB_SENDTO=0; AC_SUBST([GNULIB_SENDTO])
+ GNULIB_SETSOCKOPT=0; AC_SUBST([GNULIB_SETSOCKOPT])
+ GNULIB_SHUTDOWN=0; AC_SUBST([GNULIB_SHUTDOWN])
+])
diff --git a/gl/m4/unistd_h.m4 b/gl/m4/unistd_h.m4
new file mode 100644
index 0000000000..5685273656
--- /dev/null
+++ b/gl/m4/unistd_h.m4
@@ -0,0 +1,81 @@
+# unistd_h.m4 serial 16
+dnl Copyright (C) 2006-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Written by Simon Josefsson, Bruno Haible.
+
+AC_DEFUN([gl_UNISTD_H],
+[
+ dnl Use AC_REQUIRE here, so that the default behavior below is expanded
+ dnl once only, before all statements that occur in other macros.
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+
+ gl_CHECK_NEXT_HEADERS([unistd.h])
+
+ AC_CHECK_HEADERS_ONCE([unistd.h])
+ if test $ac_cv_header_unistd_h = yes; then
+ HAVE_UNISTD_H=1
+ else
+ HAVE_UNISTD_H=0
+ fi
+ AC_SUBST([HAVE_UNISTD_H])
+])
+
+AC_DEFUN([gl_UNISTD_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_UNISTD_H_DEFAULTS],
+[
+ GNULIB_CHOWN=0; AC_SUBST([GNULIB_CHOWN])
+ GNULIB_CLOSE=0; AC_SUBST([GNULIB_CLOSE])
+ GNULIB_DUP2=0; AC_SUBST([GNULIB_DUP2])
+ GNULIB_ENVIRON=0; AC_SUBST([GNULIB_ENVIRON])
+ GNULIB_EUIDACCESS=0; AC_SUBST([GNULIB_EUIDACCESS])
+ GNULIB_FCHDIR=0; AC_SUBST([GNULIB_FCHDIR])
+ GNULIB_FSYNC=0; AC_SUBST([GNULIB_FSYNC])
+ GNULIB_FTRUNCATE=0; AC_SUBST([GNULIB_FTRUNCATE])
+ GNULIB_GETCWD=0; AC_SUBST([GNULIB_GETCWD])
+ GNULIB_GETDOMAINNAME=0; AC_SUBST([GNULIB_GETDOMAINNAME])
+ GNULIB_GETDTABLESIZE=0; AC_SUBST([GNULIB_GETDTABLESIZE])
+ GNULIB_GETHOSTNAME=0; AC_SUBST([GNULIB_GETHOSTNAME])
+ GNULIB_GETLOGIN_R=0; AC_SUBST([GNULIB_GETLOGIN_R])
+ GNULIB_GETPAGESIZE=0; AC_SUBST([GNULIB_GETPAGESIZE])
+ GNULIB_GETUSERSHELL=0; AC_SUBST([GNULIB_GETUSERSHELL])
+ GNULIB_LCHOWN=0; AC_SUBST([GNULIB_LCHOWN])
+ GNULIB_LSEEK=0; AC_SUBST([GNULIB_LSEEK])
+ GNULIB_READLINK=0; AC_SUBST([GNULIB_READLINK])
+ GNULIB_SLEEP=0; AC_SUBST([GNULIB_SLEEP])
+ GNULIB_UNISTD_H_SIGPIPE=0; AC_SUBST([GNULIB_UNISTD_H_SIGPIPE])
+ GNULIB_WRITE=0; AC_SUBST([GNULIB_WRITE])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_DUP2=1; AC_SUBST([HAVE_DUP2])
+ HAVE_EUIDACCESS=1; AC_SUBST([HAVE_EUIDACCESS])
+ HAVE_FSYNC=1; AC_SUBST([HAVE_FSYNC])
+ HAVE_FTRUNCATE=1; AC_SUBST([HAVE_FTRUNCATE])
+ HAVE_GETDOMAINNAME=1; AC_SUBST([HAVE_GETDOMAINNAME])
+ HAVE_GETDTABLESIZE=1; AC_SUBST([HAVE_GETDTABLESIZE])
+ HAVE_GETHOSTNAME=1; AC_SUBST([HAVE_GETHOSTNAME])
+ HAVE_GETPAGESIZE=1; AC_SUBST([HAVE_GETPAGESIZE])
+ HAVE_GETUSERSHELL=1; AC_SUBST([HAVE_GETUSERSHELL])
+ HAVE_READLINK=1; AC_SUBST([HAVE_READLINK])
+ HAVE_SLEEP=1; AC_SUBST([HAVE_SLEEP])
+ HAVE_DECL_ENVIRON=1; AC_SUBST([HAVE_DECL_ENVIRON])
+ HAVE_DECL_GETLOGIN_R=1; AC_SUBST([HAVE_DECL_GETLOGIN_R])
+ HAVE_OS_H=0; AC_SUBST([HAVE_OS_H])
+ HAVE_SYS_PARAM_H=0; AC_SUBST([HAVE_SYS_PARAM_H])
+ REPLACE_CHOWN=0; AC_SUBST([REPLACE_CHOWN])
+ REPLACE_CLOSE=0; AC_SUBST([REPLACE_CLOSE])
+ REPLACE_FCHDIR=0; AC_SUBST([REPLACE_FCHDIR])
+ REPLACE_GETCWD=0; AC_SUBST([REPLACE_GETCWD])
+ REPLACE_GETPAGESIZE=0; AC_SUBST([REPLACE_GETPAGESIZE])
+ REPLACE_LCHOWN=0; AC_SUBST([REPLACE_LCHOWN])
+ REPLACE_LSEEK=0; AC_SUBST([REPLACE_LSEEK])
+ REPLACE_WRITE=0; AC_SUBST([REPLACE_WRITE])
+ UNISTD_H_HAVE_WINSOCK2_H=0; AC_SUBST([UNISTD_H_HAVE_WINSOCK2_H])
+])
diff --git a/gl/m4/vasnprintf.m4 b/gl/m4/vasnprintf.m4
new file mode 100644
index 0000000000..536258c06b
--- /dev/null
+++ b/gl/m4/vasnprintf.m4
@@ -0,0 +1,260 @@
+# vasnprintf.m4 serial 25
+dnl Copyright (C) 2002-2004, 2006-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_VASNPRINTF],
+[
+ AC_CHECK_FUNCS_ONCE([vasnprintf])
+ if test $ac_cv_func_vasnprintf = no; then
+ gl_REPLACE_VASNPRINTF
+ fi
+])
+
+AC_DEFUN([gl_REPLACE_VASNPRINTF],
+[
+ AC_CHECK_FUNCS_ONCE([vasnprintf])
+ AC_LIBOBJ([vasnprintf])
+ AC_LIBOBJ([printf-args])
+ AC_LIBOBJ([printf-parse])
+ AC_LIBOBJ([asnprintf])
+ if test $ac_cv_func_vasnprintf = yes; then
+ AC_DEFINE([REPLACE_VASNPRINTF], 1,
+ [Define if vasnprintf exists but is overridden by gnulib.])
+ fi
+ gl_PREREQ_PRINTF_ARGS
+ gl_PREREQ_PRINTF_PARSE
+ gl_PREREQ_VASNPRINTF
+ gl_PREREQ_ASNPRINTF
+])
+
+# Prequisites of lib/printf-args.h, lib/printf-args.c.
+AC_DEFUN([gl_PREREQ_PRINTF_ARGS],
+[
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ AC_REQUIRE([gt_TYPE_WINT_T])
+])
+
+# Prequisites of lib/printf-parse.h, lib/printf-parse.c.
+AC_DEFUN([gl_PREREQ_PRINTF_PARSE],
+[
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ AC_REQUIRE([gt_TYPE_WINT_T])
+ AC_REQUIRE([AC_TYPE_SIZE_T])
+ AC_CHECK_TYPE([ptrdiff_t], ,
+ [AC_DEFINE([ptrdiff_t], [long],
+ [Define as the type of the result of subtracting two pointers, if the system doesn't define it.])
+ ])
+ AC_REQUIRE([gt_AC_TYPE_INTMAX_T])
+])
+
+# Prerequisites of lib/vasnprintf.c.
+AC_DEFUN([gl_PREREQ_VASNPRINTF],
+[
+ AC_REQUIRE([AC_FUNC_ALLOCA])
+ AC_REQUIRE([AC_TYPE_LONG_LONG_INT])
+ AC_REQUIRE([gt_TYPE_WCHAR_T])
+ AC_REQUIRE([gt_TYPE_WINT_T])
+ AC_CHECK_FUNCS(snprintf wcslen)
+ dnl Use the _snprintf function only if it is declared (because on NetBSD it
+ dnl is defined as a weak alias of snprintf; we prefer to use the latter).
+ AC_CHECK_DECLS([_snprintf], , , [#include <stdio.h>])
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting 'long double'
+# arguments.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_LONG_DOUBLE],
+[
+ AC_REQUIRE([gl_PRINTF_LONG_DOUBLE])
+ case "$gl_cv_func_printf_long_double" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'long double' arguments.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'double'
+# arguments.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE],
+[
+ AC_REQUIRE([gl_PRINTF_INFINITE])
+ case "$gl_cv_func_printf_infinite" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_INFINITE_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ infinite 'double' arguments.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting infinite 'long double'
+# arguments.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE],
+[
+ AC_REQUIRE([gl_PRINTF_INFINITE_LONG_DOUBLE])
+ dnl There is no need to set NEED_PRINTF_INFINITE_LONG_DOUBLE if
+ dnl NEED_PRINTF_LONG_DOUBLE is already set.
+ AC_REQUIRE([gl_PREREQ_VASNPRINTF_LONG_DOUBLE])
+ case "$gl_cv_func_printf_long_double" in
+ *yes)
+ case "$gl_cv_func_printf_infinite_long_double" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_INFINITE_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ infinite 'long double' arguments.])
+ ;;
+ esac
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting the 'a' directive.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_A],
+[
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_A])
+ case "$gl_cv_func_printf_directive_a" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_DIRECTIVE_A], 1,
+ [Define if the vasnprintf implementation needs special code for
+ the 'a' and 'A' directives.])
+ AC_CHECK_FUNCS([nl_langinfo])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting the 'F' directive.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_DIRECTIVE_F],
+[
+ AC_REQUIRE([gl_PRINTF_DIRECTIVE_F])
+ case "$gl_cv_func_printf_directive_f" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_DIRECTIVE_F], 1,
+ [Define if the vasnprintf implementation needs special code for
+ the 'F' directive.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting the ' flag.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_GROUPING],
+[
+ AC_REQUIRE([gl_PRINTF_FLAG_GROUPING])
+ case "$gl_cv_func_printf_flag_grouping" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_FLAG_GROUPING], 1,
+ [Define if the vasnprintf implementation needs special code for the
+ ' flag.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting the '-' flag.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST],
+[
+ AC_REQUIRE([gl_PRINTF_FLAG_LEFTADJUST])
+ case "$gl_cv_func_printf_flag_leftadjust" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_FLAG_LEFTADJUST], 1,
+ [Define if the vasnprintf implementation needs special code for the
+ '-' flag.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting the 0 flag.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_FLAG_ZERO],
+[
+ AC_REQUIRE([gl_PRINTF_FLAG_ZERO])
+ case "$gl_cv_func_printf_flag_zero" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_FLAG_ZERO], 1,
+ [Define if the vasnprintf implementation needs special code for the
+ 0 flag.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for supporting large precisions.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_PRECISION],
+[
+ AC_REQUIRE([gl_PRINTF_PRECISION])
+ case "$gl_cv_func_printf_precision" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_UNBOUNDED_PRECISION], 1,
+ [Define if the vasnprintf implementation needs special code for
+ supporting large precisions without arbitrary bounds.])
+ AC_DEFINE([NEED_PRINTF_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'double' arguments.])
+ AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'long double' arguments.])
+ ;;
+ esac
+])
+
+# Extra prerequisites of lib/vasnprintf.c for surviving out-of-memory
+# conditions.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_ENOMEM],
+[
+ AC_REQUIRE([gl_PRINTF_ENOMEM])
+ case "$gl_cv_func_printf_enomem" in
+ *yes)
+ ;;
+ *)
+ AC_DEFINE([NEED_PRINTF_ENOMEM], 1,
+ [Define if the vasnprintf implementation needs special code for
+ surviving out-of-memory conditions.])
+ AC_DEFINE([NEED_PRINTF_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'double' arguments.])
+ AC_DEFINE([NEED_PRINTF_LONG_DOUBLE], 1,
+ [Define if the vasnprintf implementation needs special code for
+ 'long double' arguments.])
+ ;;
+ esac
+])
+
+# Prerequisites of lib/vasnprintf.c including all extras for POSIX compliance.
+AC_DEFUN([gl_PREREQ_VASNPRINTF_WITH_EXTRAS],
+[
+ AC_REQUIRE([gl_PREREQ_VASNPRINTF])
+ gl_PREREQ_VASNPRINTF_LONG_DOUBLE
+ gl_PREREQ_VASNPRINTF_INFINITE_DOUBLE
+ gl_PREREQ_VASNPRINTF_INFINITE_LONG_DOUBLE
+ gl_PREREQ_VASNPRINTF_DIRECTIVE_A
+ gl_PREREQ_VASNPRINTF_DIRECTIVE_F
+ gl_PREREQ_VASNPRINTF_FLAG_GROUPING
+ gl_PREREQ_VASNPRINTF_FLAG_LEFTADJUST
+ gl_PREREQ_VASNPRINTF_FLAG_ZERO
+ gl_PREREQ_VASNPRINTF_PRECISION
+ gl_PREREQ_VASNPRINTF_ENOMEM
+])
+
+# Prerequisites of lib/asnprintf.c.
+AC_DEFUN([gl_PREREQ_ASNPRINTF],
+[
+])
diff --git a/gl/m4/wchar.m4 b/gl/m4/wchar.m4
new file mode 100644
index 0000000000..5c923fa0e0
--- /dev/null
+++ b/gl/m4/wchar.m4
@@ -0,0 +1,69 @@
+dnl A placeholder for ISO C99 <wchar.h>, for platforms that have issues.
+
+dnl Copyright (C) 2007-2008 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Written by Eric Blake.
+
+# wchar.m4 serial 6
+
+AC_DEFUN([gl_WCHAR_H],
+[
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ AC_CACHE_CHECK([whether <wchar.h> is standalone],
+ [gl_cv_header_wchar_h_standalone],
+ [AC_COMPILE_IFELSE([[#include <wchar.h>
+wchar_t w;]],
+ [gl_cv_header_wchar_h_standalone=yes],
+ [gl_cv_header_wchar_h_standalone=no])])
+
+ AC_REQUIRE([gt_TYPE_WINT_T])
+ if test $gt_cv_c_wint_t = yes; then
+ HAVE_WINT_T=1
+ else
+ HAVE_WINT_T=0
+ fi
+ AC_SUBST([HAVE_WINT_T])
+
+ if test $gl_cv_header_wchar_h_standalone != yes || test $gt_cv_c_wint_t != yes; then
+ WCHAR_H=wchar.h
+ fi
+
+ dnl Prepare for creating substitute <wchar.h>.
+ dnl Do it always: WCHAR_H may be empty here but can be set later.
+ dnl Check for <wchar.h> (missing in Linux uClibc when built without wide
+ dnl character support).
+ AC_CHECK_HEADERS_ONCE([wchar.h])
+ if test $ac_cv_header_wchar_h = yes; then
+ HAVE_WCHAR_H=1
+ else
+ HAVE_WCHAR_H=0
+ fi
+ AC_SUBST([HAVE_WCHAR_H])
+ gl_CHECK_NEXT_HEADERS([wchar.h])
+])
+
+dnl Unconditionally enables the replacement of <wchar.h>.
+AC_DEFUN([gl_REPLACE_WCHAR_H],
+[
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ WCHAR_H=wchar.h
+])
+
+AC_DEFUN([gl_WCHAR_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_WCHAR_H_DEFAULTS])
+ GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+])
+
+AC_DEFUN([gl_WCHAR_H_DEFAULTS],
+[
+ GNULIB_WCWIDTH=0; AC_SUBST([GNULIB_WCWIDTH])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_DECL_WCWIDTH=1; AC_SUBST([HAVE_DECL_WCWIDTH])
+ REPLACE_WCWIDTH=0; AC_SUBST([REPLACE_WCWIDTH])
+ WCHAR_H=''; AC_SUBST([WCHAR_H])
+])
diff --git a/gl/m4/wchar_t.m4 b/gl/m4/wchar_t.m4
new file mode 100644
index 0000000000..cde2129a97
--- /dev/null
+++ b/gl/m4/wchar_t.m4
@@ -0,0 +1,20 @@
+# wchar_t.m4 serial 1 (gettext-0.12)
+dnl Copyright (C) 2002-2003 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+dnl Test whether <stddef.h> has the 'wchar_t' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_WCHAR_T],
+[
+ AC_CACHE_CHECK([for wchar_t], gt_cv_c_wchar_t,
+ [AC_TRY_COMPILE([#include <stddef.h>
+ wchar_t foo = (wchar_t)'\0';], ,
+ gt_cv_c_wchar_t=yes, gt_cv_c_wchar_t=no)])
+ if test $gt_cv_c_wchar_t = yes; then
+ AC_DEFINE(HAVE_WCHAR_T, 1, [Define if you have the 'wchar_t' type.])
+ fi
+])
diff --git a/gl/m4/wint_t.m4 b/gl/m4/wint_t.m4
new file mode 100644
index 0000000000..af5ed936cc
--- /dev/null
+++ b/gl/m4/wint_t.m4
@@ -0,0 +1,28 @@
+# wint_t.m4 serial 2 (gettext-0.17)
+dnl Copyright (C) 2003, 2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+dnl Test whether <wchar.h> has the 'wint_t' type.
+dnl Prerequisite: AC_PROG_CC
+
+AC_DEFUN([gt_TYPE_WINT_T],
+[
+ AC_CACHE_CHECK([for wint_t], gt_cv_c_wint_t,
+ [AC_TRY_COMPILE([
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be included
+ before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+#include <wchar.h>
+ wint_t foo = (wchar_t)'\0';], ,
+ gt_cv_c_wint_t=yes, gt_cv_c_wint_t=no)])
+ if test $gt_cv_c_wint_t = yes; then
+ AC_DEFINE(HAVE_WINT_T, 1, [Define if you have the 'wint_t' type.])
+ fi
+])
diff --git a/gl/m4/xsize.m4 b/gl/m4/xsize.m4
new file mode 100644
index 0000000000..85bb721e43
--- /dev/null
+++ b/gl/m4/xsize.m4
@@ -0,0 +1,13 @@
+# xsize.m4 serial 3
+dnl Copyright (C) 2003-2004 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_XSIZE],
+[
+ dnl Prerequisites of lib/xsize.h.
+ AC_REQUIRE([gl_SIZE_MAX])
+ AC_REQUIRE([AC_C_INLINE])
+ AC_CHECK_HEADERS(stdint.h)
+])
diff --git a/gl/printf-args.c b/gl/printf-args.c
new file mode 100644
index 0000000000..871c720a99
--- /dev/null
+++ b/gl/printf-args.c
@@ -0,0 +1,187 @@
+/* Decomposed printf argument list.
+ Copyright (C) 1999, 2002-2003, 2005-2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* This file can be parametrized with the following macros:
+ ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
+ PRINTF_FETCHARGS Name of the function to be defined.
+ STATIC Set to 'static' to declare the function static. */
+
+#ifndef PRINTF_FETCHARGS
+# include <config.h>
+#endif
+
+/* Specification. */
+#ifndef PRINTF_FETCHARGS
+# include "printf-args.h"
+#endif
+
+#ifdef STATIC
+STATIC
+#endif
+int
+PRINTF_FETCHARGS (va_list args, arguments *a)
+{
+ size_t i;
+ argument *ap;
+
+ for (i = 0, ap = &a->arg[0]; i < a->count; i++, ap++)
+ switch (ap->type)
+ {
+ case TYPE_SCHAR:
+ ap->a.a_schar = va_arg (args, /*signed char*/ int);
+ break;
+ case TYPE_UCHAR:
+ ap->a.a_uchar = va_arg (args, /*unsigned char*/ int);
+ break;
+ case TYPE_SHORT:
+ ap->a.a_short = va_arg (args, /*short*/ int);
+ break;
+ case TYPE_USHORT:
+ ap->a.a_ushort = va_arg (args, /*unsigned short*/ int);
+ break;
+ case TYPE_INT:
+ ap->a.a_int = va_arg (args, int);
+ break;
+ case TYPE_UINT:
+ ap->a.a_uint = va_arg (args, unsigned int);
+ break;
+ case TYPE_LONGINT:
+ ap->a.a_longint = va_arg (args, long int);
+ break;
+ case TYPE_ULONGINT:
+ ap->a.a_ulongint = va_arg (args, unsigned long int);
+ break;
+#if HAVE_LONG_LONG_INT
+ case TYPE_LONGLONGINT:
+ ap->a.a_longlongint = va_arg (args, long long int);
+ break;
+ case TYPE_ULONGLONGINT:
+ ap->a.a_ulonglongint = va_arg (args, unsigned long long int);
+ break;
+#endif
+ case TYPE_DOUBLE:
+ ap->a.a_double = va_arg (args, double);
+ break;
+ case TYPE_LONGDOUBLE:
+ ap->a.a_longdouble = va_arg (args, long double);
+ break;
+ case TYPE_CHAR:
+ ap->a.a_char = va_arg (args, int);
+ break;
+#if HAVE_WINT_T
+ case TYPE_WIDE_CHAR:
+ /* Although ISO C 99 7.24.1.(2) says that wint_t is "unchanged by
+ default argument promotions", this is not the case in mingw32,
+ where wint_t is 'unsigned short'. */
+ ap->a.a_wide_char =
+ (sizeof (wint_t) < sizeof (int)
+ ? va_arg (args, int)
+ : va_arg (args, wint_t));
+ break;
+#endif
+ case TYPE_STRING:
+ ap->a.a_string = va_arg (args, const char *);
+ /* A null pointer is an invalid argument for "%s", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_string == NULL)
+ ap->a.a_string = "(NULL)";
+ break;
+#if HAVE_WCHAR_T
+ case TYPE_WIDE_STRING:
+ ap->a.a_wide_string = va_arg (args, const wchar_t *);
+ /* A null pointer is an invalid argument for "%ls", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_wide_string == NULL)
+ {
+ static const wchar_t wide_null_string[] =
+ {
+ (wchar_t)'(',
+ (wchar_t)'N', (wchar_t)'U', (wchar_t)'L', (wchar_t)'L',
+ (wchar_t)')',
+ (wchar_t)0
+ };
+ ap->a.a_wide_string = wide_null_string;
+ }
+ break;
+#endif
+ case TYPE_POINTER:
+ ap->a.a_pointer = va_arg (args, void *);
+ break;
+ case TYPE_COUNT_SCHAR_POINTER:
+ ap->a.a_count_schar_pointer = va_arg (args, signed char *);
+ break;
+ case TYPE_COUNT_SHORT_POINTER:
+ ap->a.a_count_short_pointer = va_arg (args, short *);
+ break;
+ case TYPE_COUNT_INT_POINTER:
+ ap->a.a_count_int_pointer = va_arg (args, int *);
+ break;
+ case TYPE_COUNT_LONGINT_POINTER:
+ ap->a.a_count_longint_pointer = va_arg (args, long int *);
+ break;
+#if HAVE_LONG_LONG_INT
+ case TYPE_COUNT_LONGLONGINT_POINTER:
+ ap->a.a_count_longlongint_pointer = va_arg (args, long long int *);
+ break;
+#endif
+#if ENABLE_UNISTDIO
+ /* The unistdio extensions. */
+ case TYPE_U8_STRING:
+ ap->a.a_u8_string = va_arg (args, const uint8_t *);
+ /* A null pointer is an invalid argument for "%U", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_u8_string == NULL)
+ {
+ static const uint8_t u8_null_string[] =
+ { '(', 'N', 'U', 'L', 'L', ')', 0 };
+ ap->a.a_u8_string = u8_null_string;
+ }
+ break;
+ case TYPE_U16_STRING:
+ ap->a.a_u16_string = va_arg (args, const uint16_t *);
+ /* A null pointer is an invalid argument for "%lU", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_u16_string == NULL)
+ {
+ static const uint16_t u16_null_string[] =
+ { '(', 'N', 'U', 'L', 'L', ')', 0 };
+ ap->a.a_u16_string = u16_null_string;
+ }
+ break;
+ case TYPE_U32_STRING:
+ ap->a.a_u32_string = va_arg (args, const uint32_t *);
+ /* A null pointer is an invalid argument for "%llU", but in practice
+ it occurs quite frequently in printf statements that produce
+ debug output. Use a fallback in this case. */
+ if (ap->a.a_u32_string == NULL)
+ {
+ static const uint32_t u32_null_string[] =
+ { '(', 'N', 'U', 'L', 'L', ')', 0 };
+ ap->a.a_u32_string = u32_null_string;
+ }
+ break;
+#endif
+ default:
+ /* Unknown type. */
+ return -1;
+ }
+ return 0;
+}
diff --git a/gl/printf-args.h b/gl/printf-args.h
new file mode 100644
index 0000000000..67cb990cad
--- /dev/null
+++ b/gl/printf-args.h
@@ -0,0 +1,154 @@
+/* Decomposed printf argument list.
+ Copyright (C) 1999, 2002-2003, 2006-2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _PRINTF_ARGS_H
+#define _PRINTF_ARGS_H
+
+/* This file can be parametrized with the following macros:
+ ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
+ PRINTF_FETCHARGS Name of the function to be declared.
+ STATIC Set to 'static' to declare the function static. */
+
+/* Default parameters. */
+#ifndef PRINTF_FETCHARGS
+# define PRINTF_FETCHARGS printf_fetchargs
+#endif
+
+/* Get size_t. */
+#include <stddef.h>
+
+/* Get wchar_t. */
+#if HAVE_WCHAR_T
+# include <stddef.h>
+#endif
+
+/* Get wint_t. */
+#if HAVE_WINT_T
+# include <wchar.h>
+#endif
+
+/* Get va_list. */
+#include <stdarg.h>
+
+
+/* Argument types */
+typedef enum
+{
+ TYPE_NONE,
+ TYPE_SCHAR,
+ TYPE_UCHAR,
+ TYPE_SHORT,
+ TYPE_USHORT,
+ TYPE_INT,
+ TYPE_UINT,
+ TYPE_LONGINT,
+ TYPE_ULONGINT,
+#if HAVE_LONG_LONG_INT
+ TYPE_LONGLONGINT,
+ TYPE_ULONGLONGINT,
+#endif
+ TYPE_DOUBLE,
+ TYPE_LONGDOUBLE,
+ TYPE_CHAR,
+#if HAVE_WINT_T
+ TYPE_WIDE_CHAR,
+#endif
+ TYPE_STRING,
+#if HAVE_WCHAR_T
+ TYPE_WIDE_STRING,
+#endif
+ TYPE_POINTER,
+ TYPE_COUNT_SCHAR_POINTER,
+ TYPE_COUNT_SHORT_POINTER,
+ TYPE_COUNT_INT_POINTER,
+ TYPE_COUNT_LONGINT_POINTER
+#if HAVE_LONG_LONG_INT
+, TYPE_COUNT_LONGLONGINT_POINTER
+#endif
+#if ENABLE_UNISTDIO
+ /* The unistdio extensions. */
+, TYPE_U8_STRING
+, TYPE_U16_STRING
+, TYPE_U32_STRING
+#endif
+} arg_type;
+
+/* Polymorphic argument */
+typedef struct
+{
+ arg_type type;
+ union
+ {
+ signed char a_schar;
+ unsigned char a_uchar;
+ short a_short;
+ unsigned short a_ushort;
+ int a_int;
+ unsigned int a_uint;
+ long int a_longint;
+ unsigned long int a_ulongint;
+#if HAVE_LONG_LONG_INT
+ long long int a_longlongint;
+ unsigned long long int a_ulonglongint;
+#endif
+ float a_float;
+ double a_double;
+ long double a_longdouble;
+ int a_char;
+#if HAVE_WINT_T
+ wint_t a_wide_char;
+#endif
+ const char* a_string;
+#if HAVE_WCHAR_T
+ const wchar_t* a_wide_string;
+#endif
+ void* a_pointer;
+ signed char * a_count_schar_pointer;
+ short * a_count_short_pointer;
+ int * a_count_int_pointer;
+ long int * a_count_longint_pointer;
+#if HAVE_LONG_LONG_INT
+ long long int * a_count_longlongint_pointer;
+#endif
+#if ENABLE_UNISTDIO
+ /* The unistdio extensions. */
+ const uint8_t * a_u8_string;
+ const uint16_t * a_u16_string;
+ const uint32_t * a_u32_string;
+#endif
+ }
+ a;
+}
+argument;
+
+typedef struct
+{
+ size_t count;
+ argument *arg;
+}
+arguments;
+
+
+/* Fetch the arguments, putting them into a. */
+#ifdef STATIC
+STATIC
+#else
+extern
+#endif
+int PRINTF_FETCHARGS (va_list args, arguments *a);
+
+#endif /* _PRINTF_ARGS_H */
diff --git a/gl/printf-parse.c b/gl/printf-parse.c
new file mode 100644
index 0000000000..28b9bd41ac
--- /dev/null
+++ b/gl/printf-parse.c
@@ -0,0 +1,627 @@
+/* Formatted output to strings.
+ Copyright (C) 1999-2000, 2002-2003, 2006-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* This file can be parametrized with the following macros:
+ CHAR_T The element type of the format string.
+ CHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters
+ in the format string are ASCII.
+ DIRECTIVE Structure denoting a format directive.
+ Depends on CHAR_T.
+ DIRECTIVES Structure denoting the set of format directives of a
+ format string. Depends on CHAR_T.
+ PRINTF_PARSE Function that parses a format string.
+ Depends on CHAR_T.
+ STATIC Set to 'static' to declare the function static.
+ ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions. */
+
+#ifndef PRINTF_PARSE
+# include <config.h>
+#endif
+
+/* Specification. */
+#ifndef PRINTF_PARSE
+# include "printf-parse.h"
+#endif
+
+/* Default parameters. */
+#ifndef PRINTF_PARSE
+# define PRINTF_PARSE printf_parse
+# define CHAR_T char
+# define DIRECTIVE char_directive
+# define DIRECTIVES char_directives
+#endif
+
+/* Get size_t, NULL. */
+#include <stddef.h>
+
+/* Get intmax_t. */
+#if defined IN_LIBINTL || defined IN_LIBASPRINTF
+# if HAVE_STDINT_H_WITH_UINTMAX
+# include <stdint.h>
+# endif
+# if HAVE_INTTYPES_H_WITH_UINTMAX
+# include <inttypes.h>
+# endif
+#else
+# include <stdint.h>
+#endif
+
+/* malloc(), realloc(), free(). */
+#include <stdlib.h>
+
+/* errno. */
+#include <errno.h>
+
+/* Checked size_t computations. */
+#include "xsize.h"
+
+#if CHAR_T_ONLY_ASCII
+/* c_isascii(). */
+# include "c-ctype.h"
+#endif
+
+#ifdef STATIC
+STATIC
+#endif
+int
+PRINTF_PARSE (const CHAR_T *format, DIRECTIVES *d, arguments *a)
+{
+ const CHAR_T *cp = format; /* pointer into format */
+ size_t arg_posn = 0; /* number of regular arguments consumed */
+ size_t d_allocated; /* allocated elements of d->dir */
+ size_t a_allocated; /* allocated elements of a->arg */
+ size_t max_width_length = 0;
+ size_t max_precision_length = 0;
+
+ d->count = 0;
+ d_allocated = 1;
+ d->dir = (DIRECTIVE *) malloc (d_allocated * sizeof (DIRECTIVE));
+ if (d->dir == NULL)
+ /* Out of memory. */
+ goto out_of_memory_1;
+
+ a->count = 0;
+ a_allocated = 0;
+ a->arg = NULL;
+
+#define REGISTER_ARG(_index_,_type_) \
+ { \
+ size_t n = (_index_); \
+ if (n >= a_allocated) \
+ { \
+ size_t memory_size; \
+ argument *memory; \
+ \
+ a_allocated = xtimes (a_allocated, 2); \
+ if (a_allocated <= n) \
+ a_allocated = xsum (n, 1); \
+ memory_size = xtimes (a_allocated, sizeof (argument)); \
+ if (size_overflow_p (memory_size)) \
+ /* Overflow, would lead to out of memory. */ \
+ goto out_of_memory; \
+ memory = (argument *) (a->arg \
+ ? realloc (a->arg, memory_size) \
+ : malloc (memory_size)); \
+ if (memory == NULL) \
+ /* Out of memory. */ \
+ goto out_of_memory; \
+ a->arg = memory; \
+ } \
+ while (a->count <= n) \
+ a->arg[a->count++].type = TYPE_NONE; \
+ if (a->arg[n].type == TYPE_NONE) \
+ a->arg[n].type = (_type_); \
+ else if (a->arg[n].type != (_type_)) \
+ /* Ambiguous type for positional argument. */ \
+ goto error; \
+ }
+
+ while (*cp != '\0')
+ {
+ CHAR_T c = *cp++;
+ if (c == '%')
+ {
+ size_t arg_index = ARG_NONE;
+ DIRECTIVE *dp = &d->dir[d->count]; /* pointer to next directive */
+
+ /* Initialize the next directive. */
+ dp->dir_start = cp - 1;
+ dp->flags = 0;
+ dp->width_start = NULL;
+ dp->width_end = NULL;
+ dp->width_arg_index = ARG_NONE;
+ dp->precision_start = NULL;
+ dp->precision_end = NULL;
+ dp->precision_arg_index = ARG_NONE;
+ dp->arg_index = ARG_NONE;
+
+ /* Test for positional argument. */
+ if (*cp >= '0' && *cp <= '9')
+ {
+ const CHAR_T *np;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ ;
+ if (*np == '$')
+ {
+ size_t n = 0;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ n = xsum (xtimes (n, 10), *np - '0');
+ if (n == 0)
+ /* Positional argument 0. */
+ goto error;
+ if (size_overflow_p (n))
+ /* n too large, would lead to out of memory later. */
+ goto error;
+ arg_index = n - 1;
+ cp = np + 1;
+ }
+ }
+
+ /* Read the flags. */
+ for (;;)
+ {
+ if (*cp == '\'')
+ {
+ dp->flags |= FLAG_GROUP;
+ cp++;
+ }
+ else if (*cp == '-')
+ {
+ dp->flags |= FLAG_LEFT;
+ cp++;
+ }
+ else if (*cp == '+')
+ {
+ dp->flags |= FLAG_SHOWSIGN;
+ cp++;
+ }
+ else if (*cp == ' ')
+ {
+ dp->flags |= FLAG_SPACE;
+ cp++;
+ }
+ else if (*cp == '#')
+ {
+ dp->flags |= FLAG_ALT;
+ cp++;
+ }
+ else if (*cp == '0')
+ {
+ dp->flags |= FLAG_ZERO;
+ cp++;
+ }
+ else
+ break;
+ }
+
+ /* Parse the field width. */
+ if (*cp == '*')
+ {
+ dp->width_start = cp;
+ cp++;
+ dp->width_end = cp;
+ if (max_width_length < 1)
+ max_width_length = 1;
+
+ /* Test for positional argument. */
+ if (*cp >= '0' && *cp <= '9')
+ {
+ const CHAR_T *np;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ ;
+ if (*np == '$')
+ {
+ size_t n = 0;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ n = xsum (xtimes (n, 10), *np - '0');
+ if (n == 0)
+ /* Positional argument 0. */
+ goto error;
+ if (size_overflow_p (n))
+ /* n too large, would lead to out of memory later. */
+ goto error;
+ dp->width_arg_index = n - 1;
+ cp = np + 1;
+ }
+ }
+ if (dp->width_arg_index == ARG_NONE)
+ {
+ dp->width_arg_index = arg_posn++;
+ if (dp->width_arg_index == ARG_NONE)
+ /* arg_posn wrapped around. */
+ goto error;
+ }
+ REGISTER_ARG (dp->width_arg_index, TYPE_INT);
+ }
+ else if (*cp >= '0' && *cp <= '9')
+ {
+ size_t width_length;
+
+ dp->width_start = cp;
+ for (; *cp >= '0' && *cp <= '9'; cp++)
+ ;
+ dp->width_end = cp;
+ width_length = dp->width_end - dp->width_start;
+ if (max_width_length < width_length)
+ max_width_length = width_length;
+ }
+
+ /* Parse the precision. */
+ if (*cp == '.')
+ {
+ cp++;
+ if (*cp == '*')
+ {
+ dp->precision_start = cp - 1;
+ cp++;
+ dp->precision_end = cp;
+ if (max_precision_length < 2)
+ max_precision_length = 2;
+
+ /* Test for positional argument. */
+ if (*cp >= '0' && *cp <= '9')
+ {
+ const CHAR_T *np;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ ;
+ if (*np == '$')
+ {
+ size_t n = 0;
+
+ for (np = cp; *np >= '0' && *np <= '9'; np++)
+ n = xsum (xtimes (n, 10), *np - '0');
+ if (n == 0)
+ /* Positional argument 0. */
+ goto error;
+ if (size_overflow_p (n))
+ /* n too large, would lead to out of memory
+ later. */
+ goto error;
+ dp->precision_arg_index = n - 1;
+ cp = np + 1;
+ }
+ }
+ if (dp->precision_arg_index == ARG_NONE)
+ {
+ dp->precision_arg_index = arg_posn++;
+ if (dp->precision_arg_index == ARG_NONE)
+ /* arg_posn wrapped around. */
+ goto error;
+ }
+ REGISTER_ARG (dp->precision_arg_index, TYPE_INT);
+ }
+ else
+ {
+ size_t precision_length;
+
+ dp->precision_start = cp - 1;
+ for (; *cp >= '0' && *cp <= '9'; cp++)
+ ;
+ dp->precision_end = cp;
+ precision_length = dp->precision_end - dp->precision_start;
+ if (max_precision_length < precision_length)
+ max_precision_length = precision_length;
+ }
+ }
+
+ {
+ arg_type type;
+
+ /* Parse argument type/size specifiers. */
+ {
+ int flags = 0;
+
+ for (;;)
+ {
+ if (*cp == 'h')
+ {
+ flags |= (1 << (flags & 1));
+ cp++;
+ }
+ else if (*cp == 'L')
+ {
+ flags |= 4;
+ cp++;
+ }
+ else if (*cp == 'l')
+ {
+ flags += 8;
+ cp++;
+ }
+ else if (*cp == 'j')
+ {
+ if (sizeof (intmax_t) > sizeof (long))
+ {
+ /* intmax_t = long long */
+ flags += 16;
+ }
+ else if (sizeof (intmax_t) > sizeof (int))
+ {
+ /* intmax_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+ else if (*cp == 'z' || *cp == 'Z')
+ {
+ /* 'z' is standardized in ISO C 99, but glibc uses 'Z'
+ because the warning facility in gcc-2.95.2 understands
+ only 'Z' (see gcc-2.95.2/gcc/c-common.c:1784). */
+ if (sizeof (size_t) > sizeof (long))
+ {
+ /* size_t = long long */
+ flags += 16;
+ }
+ else if (sizeof (size_t) > sizeof (int))
+ {
+ /* size_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+ else if (*cp == 't')
+ {
+ if (sizeof (ptrdiff_t) > sizeof (long))
+ {
+ /* ptrdiff_t = long long */
+ flags += 16;
+ }
+ else if (sizeof (ptrdiff_t) > sizeof (int))
+ {
+ /* ptrdiff_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+#if defined __APPLE__ && defined __MACH__
+ /* On MacOS X 10.3, PRIdMAX is defined as "qd".
+ We cannot change it to "lld" because PRIdMAX must also
+ be understood by the system's printf routines. */
+ else if (*cp == 'q')
+ {
+ if (64 / 8 > sizeof (long))
+ {
+ /* int64_t = long long */
+ flags += 16;
+ }
+ else
+ {
+ /* int64_t = long */
+ flags += 8;
+ }
+ cp++;
+ }
+#endif
+#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ /* On native Win32, PRIdMAX is defined as "I64d".
+ We cannot change it to "lld" because PRIdMAX must also
+ be understood by the system's printf routines. */
+ else if (*cp == 'I' && cp[1] == '6' && cp[2] == '4')
+ {
+ if (64 / 8 > sizeof (long))
+ {
+ /* __int64 = long long */
+ flags += 16;
+ }
+ else
+ {
+ /* __int64 = long */
+ flags += 8;
+ }
+ cp += 3;
+ }
+#endif
+ else
+ break;
+ }
+
+ /* Read the conversion character. */
+ c = *cp++;
+ switch (c)
+ {
+ case 'd': case 'i':
+#if HAVE_LONG_LONG_INT
+ /* If 'long long' exists and is larger than 'long': */
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_LONGLONGINT;
+ else
+#endif
+ /* If 'long long' exists and is the same as 'long', we parse
+ "lld" into TYPE_LONGINT. */
+ if (flags >= 8)
+ type = TYPE_LONGINT;
+ else if (flags & 2)
+ type = TYPE_SCHAR;
+ else if (flags & 1)
+ type = TYPE_SHORT;
+ else
+ type = TYPE_INT;
+ break;
+ case 'o': case 'u': case 'x': case 'X':
+#if HAVE_LONG_LONG_INT
+ /* If 'long long' exists and is larger than 'long': */
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_ULONGLONGINT;
+ else
+#endif
+ /* If 'unsigned long long' exists and is the same as
+ 'unsigned long', we parse "llu" into TYPE_ULONGINT. */
+ if (flags >= 8)
+ type = TYPE_ULONGINT;
+ else if (flags & 2)
+ type = TYPE_UCHAR;
+ else if (flags & 1)
+ type = TYPE_USHORT;
+ else
+ type = TYPE_UINT;
+ break;
+ case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
+ case 'a': case 'A':
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_LONGDOUBLE;
+ else
+ type = TYPE_DOUBLE;
+ break;
+ case 'c':
+ if (flags >= 8)
+#if HAVE_WINT_T
+ type = TYPE_WIDE_CHAR;
+#else
+ goto error;
+#endif
+ else
+ type = TYPE_CHAR;
+ break;
+#if HAVE_WINT_T
+ case 'C':
+ type = TYPE_WIDE_CHAR;
+ c = 'c';
+ break;
+#endif
+ case 's':
+ if (flags >= 8)
+#if HAVE_WCHAR_T
+ type = TYPE_WIDE_STRING;
+#else
+ goto error;
+#endif
+ else
+ type = TYPE_STRING;
+ break;
+#if HAVE_WCHAR_T
+ case 'S':
+ type = TYPE_WIDE_STRING;
+ c = 's';
+ break;
+#endif
+ case 'p':
+ type = TYPE_POINTER;
+ break;
+ case 'n':
+#if HAVE_LONG_LONG_INT
+ /* If 'long long' exists and is larger than 'long': */
+ if (flags >= 16 || (flags & 4))
+ type = TYPE_COUNT_LONGLONGINT_POINTER;
+ else
+#endif
+ /* If 'long long' exists and is the same as 'long', we parse
+ "lln" into TYPE_COUNT_LONGINT_POINTER. */
+ if (flags >= 8)
+ type = TYPE_COUNT_LONGINT_POINTER;
+ else if (flags & 2)
+ type = TYPE_COUNT_SCHAR_POINTER;
+ else if (flags & 1)
+ type = TYPE_COUNT_SHORT_POINTER;
+ else
+ type = TYPE_COUNT_INT_POINTER;
+ break;
+#if ENABLE_UNISTDIO
+ /* The unistdio extensions. */
+ case 'U':
+ if (flags >= 16)
+ type = TYPE_U32_STRING;
+ else if (flags >= 8)
+ type = TYPE_U16_STRING;
+ else
+ type = TYPE_U8_STRING;
+ break;
+#endif
+ case '%':
+ type = TYPE_NONE;
+ break;
+ default:
+ /* Unknown conversion character. */
+ goto error;
+ }
+ }
+
+ if (type != TYPE_NONE)
+ {
+ dp->arg_index = arg_index;
+ if (dp->arg_index == ARG_NONE)
+ {
+ dp->arg_index = arg_posn++;
+ if (dp->arg_index == ARG_NONE)
+ /* arg_posn wrapped around. */
+ goto error;
+ }
+ REGISTER_ARG (dp->arg_index, type);
+ }
+ dp->conversion = c;
+ dp->dir_end = cp;
+ }
+
+ d->count++;
+ if (d->count >= d_allocated)
+ {
+ size_t memory_size;
+ DIRECTIVE *memory;
+
+ d_allocated = xtimes (d_allocated, 2);
+ memory_size = xtimes (d_allocated, sizeof (DIRECTIVE));
+ if (size_overflow_p (memory_size))
+ /* Overflow, would lead to out of memory. */
+ goto out_of_memory;
+ memory = (DIRECTIVE *) realloc (d->dir, memory_size);
+ if (memory == NULL)
+ /* Out of memory. */
+ goto out_of_memory;
+ d->dir = memory;
+ }
+ }
+#if CHAR_T_ONLY_ASCII
+ else if (!c_isascii (c))
+ {
+ /* Non-ASCII character. Not supported. */
+ goto error;
+ }
+#endif
+ }
+ d->dir[d->count].dir_start = cp;
+
+ d->max_width_length = max_width_length;
+ d->max_precision_length = max_precision_length;
+ return 0;
+
+error:
+ if (a->arg)
+ free (a->arg);
+ if (d->dir)
+ free (d->dir);
+ errno = EINVAL;
+ return -1;
+
+out_of_memory:
+ if (a->arg)
+ free (a->arg);
+ if (d->dir)
+ free (d->dir);
+out_of_memory_1:
+ errno = ENOMEM;
+ return -1;
+}
+
+#undef PRINTF_PARSE
+#undef DIRECTIVES
+#undef DIRECTIVE
+#undef CHAR_T_ONLY_ASCII
+#undef CHAR_T
diff --git a/gl/printf-parse.h b/gl/printf-parse.h
new file mode 100644
index 0000000000..e5d68d7588
--- /dev/null
+++ b/gl/printf-parse.h
@@ -0,0 +1,179 @@
+/* Parse printf format string.
+ Copyright (C) 1999, 2002-2003, 2005, 2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _PRINTF_PARSE_H
+#define _PRINTF_PARSE_H
+
+/* This file can be parametrized with the following macros:
+ ENABLE_UNISTDIO Set to 1 to enable the unistdio extensions.
+ STATIC Set to 'static' to declare the function static. */
+
+#include "printf-args.h"
+
+
+/* Flags */
+#define FLAG_GROUP 1 /* ' flag */
+#define FLAG_LEFT 2 /* - flag */
+#define FLAG_SHOWSIGN 4 /* + flag */
+#define FLAG_SPACE 8 /* space flag */
+#define FLAG_ALT 16 /* # flag */
+#define FLAG_ZERO 32
+
+/* arg_index value indicating that no argument is consumed. */
+#define ARG_NONE (~(size_t)0)
+
+/* xxx_directive: A parsed directive.
+ xxx_directives: A parsed format string. */
+
+/* A parsed directive. */
+typedef struct
+{
+ const char* dir_start;
+ const char* dir_end;
+ int flags;
+ const char* width_start;
+ const char* width_end;
+ size_t width_arg_index;
+ const char* precision_start;
+ const char* precision_end;
+ size_t precision_arg_index;
+ char conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
+ size_t arg_index;
+}
+char_directive;
+
+/* A parsed format string. */
+typedef struct
+{
+ size_t count;
+ char_directive *dir;
+ size_t max_width_length;
+ size_t max_precision_length;
+}
+char_directives;
+
+#if ENABLE_UNISTDIO
+
+/* A parsed directive. */
+typedef struct
+{
+ const uint8_t* dir_start;
+ const uint8_t* dir_end;
+ int flags;
+ const uint8_t* width_start;
+ const uint8_t* width_end;
+ size_t width_arg_index;
+ const uint8_t* precision_start;
+ const uint8_t* precision_end;
+ size_t precision_arg_index;
+ uint8_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
+ size_t arg_index;
+}
+u8_directive;
+
+/* A parsed format string. */
+typedef struct
+{
+ size_t count;
+ u8_directive *dir;
+ size_t max_width_length;
+ size_t max_precision_length;
+}
+u8_directives;
+
+/* A parsed directive. */
+typedef struct
+{
+ const uint16_t* dir_start;
+ const uint16_t* dir_end;
+ int flags;
+ const uint16_t* width_start;
+ const uint16_t* width_end;
+ size_t width_arg_index;
+ const uint16_t* precision_start;
+ const uint16_t* precision_end;
+ size_t precision_arg_index;
+ uint16_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
+ size_t arg_index;
+}
+u16_directive;
+
+/* A parsed format string. */
+typedef struct
+{
+ size_t count;
+ u16_directive *dir;
+ size_t max_width_length;
+ size_t max_precision_length;
+}
+u16_directives;
+
+/* A parsed directive. */
+typedef struct
+{
+ const uint32_t* dir_start;
+ const uint32_t* dir_end;
+ int flags;
+ const uint32_t* width_start;
+ const uint32_t* width_end;
+ size_t width_arg_index;
+ const uint32_t* precision_start;
+ const uint32_t* precision_end;
+ size_t precision_arg_index;
+ uint32_t conversion; /* d i o u x X f F e E g G a A c s p n U % but not C S */
+ size_t arg_index;
+}
+u32_directive;
+
+/* A parsed format string. */
+typedef struct
+{
+ size_t count;
+ u32_directive *dir;
+ size_t max_width_length;
+ size_t max_precision_length;
+}
+u32_directives;
+
+#endif
+
+
+/* Parses the format string. Fills in the number N of directives, and fills
+ in directives[0], ..., directives[N-1], and sets directives[N].dir_start
+ to the end of the format string. Also fills in the arg_type fields of the
+ arguments and the needed count of arguments. */
+#if ENABLE_UNISTDIO
+extern int
+ ulc_printf_parse (const char *format, char_directives *d, arguments *a);
+extern int
+ u8_printf_parse (const uint8_t *format, u8_directives *d, arguments *a);
+extern int
+ u16_printf_parse (const uint16_t *format, u16_directives *d,
+ arguments *a);
+extern int
+ u32_printf_parse (const uint32_t *format, u32_directives *d,
+ arguments *a);
+#else
+# ifdef STATIC
+STATIC
+# else
+extern
+# endif
+int printf_parse (const char *format, char_directives *d, arguments *a);
+#endif
+
+#endif /* _PRINTF_PARSE_H */
diff --git a/gl/realloc.c b/gl/realloc.c
new file mode 100644
index 0000000000..b61c2ca829
--- /dev/null
+++ b/gl/realloc.c
@@ -0,0 +1,87 @@
+/* realloc() function that is glibc compatible.
+
+ Copyright (C) 1997, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* written by Jim Meyering and Bruno Haible */
+
+#include <config.h>
+
+/* Only the AC_FUNC_REALLOC macro defines 'realloc' already in config.h. */
+#ifdef realloc
+# define NEED_REALLOC_GNU 1
+#endif
+
+/* Infer the properties of the system's malloc function.
+ Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h. */
+#if GNULIB_MALLOC_GNU && !defined malloc
+# define SYSTEM_MALLOC_GLIBC_COMPATIBLE 1
+#endif
+
+/* Below we want to call the system's malloc and realloc.
+ Undefine the symbols here so that including <stdlib.h> provides a
+ declaration of malloc(), not of rpl_malloc(), and likewise for realloc. */
+#undef malloc
+#undef realloc
+
+/* Specification. */
+#include <stdlib.h>
+
+#include <errno.h>
+
+/* Below we want to call the system's malloc and realloc.
+ Undefine the symbols, if they were defined by gnulib's <stdlib.h>
+ replacement. */
+#undef malloc
+#undef realloc
+
+/* Change the size of an allocated block of memory P to N bytes,
+ with error checking. If N is zero, change it to 1. If P is NULL,
+ use malloc. */
+
+void *
+rpl_realloc (void *p, size_t n)
+{
+ void *result;
+
+#if NEED_REALLOC_GNU
+ if (n == 0)
+ {
+ n = 1;
+
+ /* In theory realloc might fail, so don't rely on it to free. */
+ free (p);
+ p = NULL;
+ }
+#endif
+
+ if (p == NULL)
+ {
+#if GNULIB_REALLOC_GNU && !NEED_REALLOC_GNU && !SYSTEM_MALLOC_GLIBC_COMPATIBLE
+ if (n == 0)
+ n = 1;
+#endif
+ result = malloc (n);
+ }
+ else
+ result = realloc (p, n);
+
+#if !HAVE_REALLOC_POSIX
+ if (result == NULL)
+ errno = ENOMEM;
+#endif
+
+ return result;
+}
diff --git a/gl/size_max.h b/gl/size_max.h
new file mode 100644
index 0000000000..2ccc5f0862
--- /dev/null
+++ b/gl/size_max.h
@@ -0,0 +1,31 @@
+/* size_max.h -- declare SIZE_MAX through system headers
+ Copyright (C) 2005-2006 Free Software Foundation, Inc.
+ Written by Simon Josefsson.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef GNULIB_SIZE_MAX_H
+#define GNULIB_SIZE_MAX_H
+
+/* Get SIZE_MAX declaration on systems like Solaris 7/8/9. */
+# include <limits.h>
+/* Get SIZE_MAX declaration on systems like glibc 2. */
+# if HAVE_STDINT_H
+# include <stdint.h>
+# endif
+/* On systems where these include files don't define it, SIZE_MAX is defined
+ in config.h. */
+
+#endif /* GNULIB_SIZE_MAX_H */
diff --git a/gl/snprintf.c b/gl/snprintf.c
new file mode 100644
index 0000000000..dafbda8168
--- /dev/null
+++ b/gl/snprintf.c
@@ -0,0 +1,72 @@
+/* Formatted output to strings.
+ Copyright (C) 2004, 2006-2008 Free Software Foundation, Inc.
+ Written by Simon Josefsson and Paul Eggert.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#include <config.h>
+
+/* Specification. */
+#include <stdio.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "vasnprintf.h"
+
+/* Print formatted output to string STR. Similar to sprintf, but
+ additional length SIZE limit how much is written into STR. Returns
+ string length of formatted string (which may be larger than SIZE).
+ STR may be NULL, in which case nothing will be written. On error,
+ return a negative value. */
+int
+snprintf (char *str, size_t size, const char *format, ...)
+{
+ char *output;
+ size_t len;
+ size_t lenbuf = size;
+ va_list args;
+
+ va_start (args, format);
+ output = vasnprintf (str, &lenbuf, format, args);
+ len = lenbuf;
+ va_end (args);
+
+ if (!output)
+ return -1;
+
+ if (output != str)
+ {
+ if (size)
+ {
+ size_t pruned_len = (len < size ? len : size - 1);
+ memcpy (str, output, pruned_len);
+ str[pruned_len] = '\0';
+ }
+
+ free (output);
+ }
+
+ if (INT_MAX < len)
+ {
+ errno = EOVERFLOW;
+ return -1;
+ }
+
+ return len;
+}
diff --git a/gl/stdbool.in.h b/gl/stdbool.in.h
new file mode 100644
index 0000000000..cffa0ab2a3
--- /dev/null
+++ b/gl/stdbool.in.h
@@ -0,0 +1,119 @@
+/* Copyright (C) 2001-2003, 2006-2008 Free Software Foundation, Inc.
+ Written by Bruno Haible <haible@clisp.cons.org>, 2001.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _GL_STDBOOL_H
+#define _GL_STDBOOL_H
+
+/* ISO C 99 <stdbool.h> for platforms that lack it. */
+
+/* Usage suggestions:
+
+ Programs that use <stdbool.h> should be aware of some limitations
+ and standards compliance issues.
+
+ Standards compliance:
+
+ - <stdbool.h> must be #included before 'bool', 'false', 'true'
+ can be used.
+
+ - You cannot assume that sizeof (bool) == 1.
+
+ - Programs should not undefine the macros bool, true, and false,
+ as C99 lists that as an "obsolescent feature".
+
+ Limitations of this substitute, when used in a C89 environment:
+
+ - <stdbool.h> must be #included before the '_Bool' type can be used.
+
+ - You cannot assume that _Bool is a typedef; it might be a macro.
+
+ - Bit-fields of type 'bool' are not supported. Portable code
+ should use 'unsigned int foo : 1;' rather than 'bool foo : 1;'.
+
+ - In C99, casts and automatic conversions to '_Bool' or 'bool' are
+ performed in such a way that every nonzero value gets converted
+ to 'true', and zero gets converted to 'false'. This doesn't work
+ with this substitute. With this substitute, only the values 0 and 1
+ give the expected result when converted to _Bool' or 'bool'.
+
+ Also, it is suggested that programs use 'bool' rather than '_Bool';
+ this isn't required, but 'bool' is more common. */
+
+
+/* 7.16. Boolean type and values */
+
+/* BeOS <sys/socket.h> already #defines false 0, true 1. We use the same
+ definitions below, but temporarily we have to #undef them. */
+#if defined __BEOS__ && !defined __HAIKU__
+# include <OS.h> /* defines bool but not _Bool */
+# undef false
+# undef true
+#endif
+
+/* For the sake of symbolic names in gdb, we define true and false as
+ enum constants, not only as macros.
+ It is tempting to write
+ typedef enum { false = 0, true = 1 } _Bool;
+ so that gdb prints values of type 'bool' symbolically. But if we do
+ this, values of type '_Bool' may promote to 'int' or 'unsigned int'
+ (see ISO C 99 6.7.2.2.(4)); however, '_Bool' must promote to 'int'
+ (see ISO C 99 6.3.1.1.(2)). So we add a negative value to the
+ enum; this ensures that '_Bool' promotes to 'int'. */
+#if defined __cplusplus || (defined __BEOS__ && !defined __HAIKU__)
+ /* A compiler known to have 'bool'. */
+ /* If the compiler already has both 'bool' and '_Bool', we can assume they
+ are the same types. */
+# if !@HAVE__BOOL@
+typedef bool _Bool;
+# endif
+#else
+# if !defined __GNUC__
+ /* If @HAVE__BOOL@:
+ Some HP-UX cc and AIX IBM C compiler versions have compiler bugs when
+ the built-in _Bool type is used. See
+ http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+ http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+ http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
+ Similar bugs are likely with other compilers as well; this file
+ wouldn't be used if <stdbool.h> was working.
+ So we override the _Bool type.
+ If !@HAVE__BOOL@:
+ Need to define _Bool ourselves. As 'signed char' or as an enum type?
+ Use of a typedef, with SunPRO C, leads to a stupid
+ "warning: _Bool is a keyword in ISO C99".
+ Use of an enum type, with IRIX cc, leads to a stupid
+ "warning(1185): enumerated type mixed with another type".
+ Even the existence of an enum type, without a typedef,
+ "Invalid enumerator. (badenum)" with HP-UX cc on Tru64.
+ The only benefit of the enum, debuggability, is not important
+ with these compilers. So use 'signed char' and no enum. */
+# define _Bool signed char
+# else
+ /* With this compiler, trust the _Bool type if the compiler has it. */
+# if !@HAVE__BOOL@
+typedef enum { _Bool_must_promote_to_int = -1, false = 0, true = 1 } _Bool;
+# endif
+# endif
+#endif
+#define bool _Bool
+
+/* The other macros must be usable in preprocessor directives. */
+#define false 0
+#define true 1
+#define __bool_true_false_are_defined 1
+
+#endif /* _GL_STDBOOL_H */
diff --git a/gl/stdint.in.h b/gl/stdint.in.h
new file mode 100644
index 0000000000..e246aa9724
--- /dev/null
+++ b/gl/stdint.in.h
@@ -0,0 +1,525 @@
+/* Copyright (C) 2001-2002, 2004-2008 Free Software Foundation, Inc.
+ Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
+ This file is part of gnulib.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/*
+ * ISO C 99 <stdint.h> for platforms that lack it.
+ * <http://www.opengroup.org/susv3xbd/stdint.h.html>
+ */
+
+#ifndef _GL_STDINT_H
+
+/* When including a system file that in turn includes <inttypes.h>,
+ use the system <inttypes.h>, not our substitute. This avoids
+ problems with (for example) VMS, whose <sys/bitypes.h> includes
+ <inttypes.h>. */
+#define _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
+
+/* Get those types that are already defined in other system include
+ files, so that we can "#define int8_t signed char" below without
+ worrying about a later system include file containing a "typedef
+ signed char int8_t;" that will get messed up by our macro. Our
+ macros should all be consistent with the system versions, except
+ for the "fast" types and macros, which we recommend against using
+ in public interfaces due to compiler differences. */
+
+#if @HAVE_STDINT_H@
+# if defined __sgi && ! defined __c99
+ /* Bypass IRIX's <stdint.h> if in C89 mode, since it merely annoys users
+ with "This header file is to be used only for c99 mode compilations"
+ diagnostics. */
+# define __STDINT_H__
+# endif
+ /* Other systems may have an incomplete or buggy <stdint.h>.
+ Include it before <inttypes.h>, since any "#include <stdint.h>"
+ in <inttypes.h> would reinclude us, skipping our contents because
+ _GL_STDINT_H is defined.
+ The include_next requires a split double-inclusion guard. */
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+# @INCLUDE_NEXT@ @NEXT_STDINT_H@
+#endif
+
+#if ! defined _GL_STDINT_H && ! defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H
+#define _GL_STDINT_H
+
+/* <sys/types.h> defines some of the stdint.h types as well, on glibc,
+ IRIX 6.5, and OpenBSD 3.8 (via <machine/types.h>).
+ AIX 5.2 <sys/types.h> isn't needed and causes troubles.
+ MacOS X 10.4.6 <sys/types.h> includes <stdint.h> (which is us), but
+ relies on the system <stdint.h> definitions, so include
+ <sys/types.h> after @NEXT_STDINT_H@. */
+#if @HAVE_SYS_TYPES_H@ && ! defined _AIX
+# include <sys/types.h>
+#endif
+
+/* Get LONG_MIN, LONG_MAX, ULONG_MAX. */
+#include <limits.h>
+
+#if @HAVE_INTTYPES_H@
+ /* In OpenBSD 3.8, <inttypes.h> includes <machine/types.h>, which defines
+ int{8,16,32,64}_t, uint{8,16,32,64}_t and __BIT_TYPES_DEFINED__.
+ <inttypes.h> also defines intptr_t and uintptr_t. */
+# include <inttypes.h>
+#elif @HAVE_SYS_INTTYPES_H@
+ /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
+ the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX. */
+# include <sys/inttypes.h>
+#endif
+
+#if @HAVE_SYS_BITYPES_H@ && ! defined __BIT_TYPES_DEFINED__
+ /* Linux libc4 >= 4.6.7 and libc5 have a <sys/bitypes.h> that defines
+ int{8,16,32,64}_t and __BIT_TYPES_DEFINED__. In libc5 >= 5.2.2 it is
+ included by <sys/types.h>. */
+# include <sys/bitypes.h>
+#endif
+
+#if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
+
+/* Get WCHAR_MIN, WCHAR_MAX. */
+# if ! (defined WCHAR_MIN && defined WCHAR_MAX)
+# include <wchar.h>
+# endif
+
+#endif
+
+#undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
+
+/* Minimum and maximum values for a integer type under the usual assumption.
+ Return an unspecified value if BITS == 0, adding a check to pacify
+ picky compilers. */
+
+#define _STDINT_MIN(signed, bits, zero) \
+ ((signed) ? (- ((zero) + 1) << ((bits) ? (bits) - 1 : 0)) : (zero))
+
+#define _STDINT_MAX(signed, bits, zero) \
+ ((signed) \
+ ? ~ _STDINT_MIN (signed, bits, zero) \
+ : /* The expression for the unsigned case. The subtraction of (signed) \
+ is a nop in the unsigned case and avoids "signed integer overflow" \
+ warnings in the signed case. */ \
+ ((((zero) + 1) << ((bits) ? (bits) - 1 - (signed) : 0)) - 1) * 2 + 1)
+
+/* 7.18.1.1. Exact-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits. */
+
+#undef int8_t
+#undef uint8_t
+#define int8_t signed char
+#define uint8_t unsigned char
+
+#undef int16_t
+#undef uint16_t
+#define int16_t short int
+#define uint16_t unsigned short int
+
+#undef int32_t
+#undef uint32_t
+#define int32_t int
+#define uint32_t unsigned int
+
+/* Do not undefine int64_t if gnulib is not being used with 64-bit
+ types, since otherwise it breaks platforms like Tandem/NSK. */
+#if LONG_MAX >> 31 >> 31 == 1
+# undef int64_t
+# define int64_t long int
+# define GL_INT64_T
+#elif defined _MSC_VER
+# undef int64_t
+# define int64_t __int64
+# define GL_INT64_T
+#elif @HAVE_LONG_LONG_INT@
+# undef int64_t
+# define int64_t long long int
+# define GL_INT64_T
+#endif
+
+#if ULONG_MAX >> 31 >> 31 >> 1 == 1
+# undef uint64_t
+# define uint64_t unsigned long int
+# define GL_UINT64_T
+#elif defined _MSC_VER
+# undef uint64_t
+# define uint64_t unsigned __int64
+# define GL_UINT64_T
+#elif @HAVE_UNSIGNED_LONG_LONG_INT@
+# undef uint64_t
+# define uint64_t unsigned long long int
+# define GL_UINT64_T
+#endif
+
+/* Avoid collision with Solaris 2.5.1 <pthread.h> etc. */
+#define _UINT8_T
+#define _UINT32_T
+#define _UINT64_T
+
+
+/* 7.18.1.2. Minimum-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
+ are the same as the corresponding N_t types. */
+
+#undef int_least8_t
+#undef uint_least8_t
+#undef int_least16_t
+#undef uint_least16_t
+#undef int_least32_t
+#undef uint_least32_t
+#undef int_least64_t
+#undef uint_least64_t
+#define int_least8_t int8_t
+#define uint_least8_t uint8_t
+#define int_least16_t int16_t
+#define uint_least16_t uint16_t
+#define int_least32_t int32_t
+#define uint_least32_t uint32_t
+#ifdef GL_INT64_T
+# define int_least64_t int64_t
+#endif
+#ifdef GL_UINT64_T
+# define uint_least64_t uint64_t
+#endif
+
+/* 7.18.1.3. Fastest minimum-width integer types */
+
+/* Note: Other <stdint.h> substitutes may define these types differently.
+ It is not recommended to use these types in public header files. */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
+ are taken from the same list of types. Assume that 'long int'
+ is fast enough for all narrower integers. */
+
+#undef int_fast8_t
+#undef uint_fast8_t
+#undef int_fast16_t
+#undef uint_fast16_t
+#undef int_fast32_t
+#undef uint_fast32_t
+#undef int_fast64_t
+#undef uint_fast64_t
+#define int_fast8_t long int
+#define uint_fast8_t unsigned int_fast8_t
+#define int_fast16_t long int
+#define uint_fast16_t unsigned int_fast16_t
+#define int_fast32_t long int
+#define uint_fast32_t unsigned int_fast32_t
+#ifdef GL_INT64_T
+# define int_fast64_t int64_t
+#endif
+#ifdef GL_UINT64_T
+# define uint_fast64_t uint64_t
+#endif
+
+/* 7.18.1.4. Integer types capable of holding object pointers */
+
+#undef intptr_t
+#undef uintptr_t
+#define intptr_t long int
+#define uintptr_t unsigned long int
+
+/* 7.18.1.5. Greatest-width integer types */
+
+/* Note: These types are compiler dependent. It may be unwise to use them in
+ public header files. */
+
+#undef intmax_t
+#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
+# define intmax_t long long int
+#elif defined GL_INT64_T
+# define intmax_t int64_t
+#else
+# define intmax_t long int
+#endif
+
+#undef uintmax_t
+#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
+# define uintmax_t unsigned long long int
+#elif defined GL_UINT64_T
+# define uintmax_t uint64_t
+#else
+# define uintmax_t unsigned long int
+#endif
+
+/* Verify that intmax_t and uintmax_t have the same size. Too much code
+ breaks if this is not the case. If this check fails, the reason is likely
+ to be found in the autoconf macros. */
+typedef int _verify_intmax_size[2 * (sizeof (intmax_t) == sizeof (uintmax_t)) - 1];
+
+/* 7.18.2. Limits of specified-width integer types */
+
+#if ! defined __cplusplus || defined __STDC_LIMIT_MACROS
+
+/* 7.18.2.1. Limits of exact-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits. */
+
+#undef INT8_MIN
+#undef INT8_MAX
+#undef UINT8_MAX
+#define INT8_MIN (~ INT8_MAX)
+#define INT8_MAX 127
+#define UINT8_MAX 255
+
+#undef INT16_MIN
+#undef INT16_MAX
+#undef UINT16_MAX
+#define INT16_MIN (~ INT16_MAX)
+#define INT16_MAX 32767
+#define UINT16_MAX 65535
+
+#undef INT32_MIN
+#undef INT32_MAX
+#undef UINT32_MAX
+#define INT32_MIN (~ INT32_MAX)
+#define INT32_MAX 2147483647
+#define UINT32_MAX 4294967295U
+
+#undef INT64_MIN
+#undef INT64_MAX
+#ifdef GL_INT64_T
+/* Prefer (- INTMAX_C (1) << 63) over (~ INT64_MAX) because SunPRO C 5.0
+ evaluates the latter incorrectly in preprocessor expressions. */
+# define INT64_MIN (- INTMAX_C (1) << 63)
+# define INT64_MAX INTMAX_C (9223372036854775807)
+#endif
+
+#undef UINT64_MAX
+#ifdef GL_UINT64_T
+# define UINT64_MAX UINTMAX_C (18446744073709551615)
+#endif
+
+/* 7.18.2.2. Limits of minimum-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits. Therefore the leastN_t types
+ are the same as the corresponding N_t types. */
+
+#undef INT_LEAST8_MIN
+#undef INT_LEAST8_MAX
+#undef UINT_LEAST8_MAX
+#define INT_LEAST8_MIN INT8_MIN
+#define INT_LEAST8_MAX INT8_MAX
+#define UINT_LEAST8_MAX UINT8_MAX
+
+#undef INT_LEAST16_MIN
+#undef INT_LEAST16_MAX
+#undef UINT_LEAST16_MAX
+#define INT_LEAST16_MIN INT16_MIN
+#define INT_LEAST16_MAX INT16_MAX
+#define UINT_LEAST16_MAX UINT16_MAX
+
+#undef INT_LEAST32_MIN
+#undef INT_LEAST32_MAX
+#undef UINT_LEAST32_MAX
+#define INT_LEAST32_MIN INT32_MIN
+#define INT_LEAST32_MAX INT32_MAX
+#define UINT_LEAST32_MAX UINT32_MAX
+
+#undef INT_LEAST64_MIN
+#undef INT_LEAST64_MAX
+#ifdef GL_INT64_T
+# define INT_LEAST64_MIN INT64_MIN
+# define INT_LEAST64_MAX INT64_MAX
+#endif
+
+#undef UINT_LEAST64_MAX
+#ifdef GL_UINT64_T
+# define UINT_LEAST64_MAX UINT64_MAX
+#endif
+
+/* 7.18.2.3. Limits of fastest minimum-width integer types */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits. Therefore the fastN_t types
+ are taken from the same list of types. */
+
+#undef INT_FAST8_MIN
+#undef INT_FAST8_MAX
+#undef UINT_FAST8_MAX
+#define INT_FAST8_MIN LONG_MIN
+#define INT_FAST8_MAX LONG_MAX
+#define UINT_FAST8_MAX ULONG_MAX
+
+#undef INT_FAST16_MIN
+#undef INT_FAST16_MAX
+#undef UINT_FAST16_MAX
+#define INT_FAST16_MIN LONG_MIN
+#define INT_FAST16_MAX LONG_MAX
+#define UINT_FAST16_MAX ULONG_MAX
+
+#undef INT_FAST32_MIN
+#undef INT_FAST32_MAX
+#undef UINT_FAST32_MAX
+#define INT_FAST32_MIN LONG_MIN
+#define INT_FAST32_MAX LONG_MAX
+#define UINT_FAST32_MAX ULONG_MAX
+
+#undef INT_FAST64_MIN
+#undef INT_FAST64_MAX
+#ifdef GL_INT64_T
+# define INT_FAST64_MIN INT64_MIN
+# define INT_FAST64_MAX INT64_MAX
+#endif
+
+#undef UINT_FAST64_MAX
+#ifdef GL_UINT64_T
+# define UINT_FAST64_MAX UINT64_MAX
+#endif
+
+/* 7.18.2.4. Limits of integer types capable of holding object pointers */
+
+#undef INTPTR_MIN
+#undef INTPTR_MAX
+#undef UINTPTR_MAX
+#define INTPTR_MIN LONG_MIN
+#define INTPTR_MAX LONG_MAX
+#define UINTPTR_MAX ULONG_MAX
+
+/* 7.18.2.5. Limits of greatest-width integer types */
+
+#undef INTMAX_MIN
+#undef INTMAX_MAX
+#ifdef INT64_MAX
+# define INTMAX_MIN INT64_MIN
+# define INTMAX_MAX INT64_MAX
+#else
+# define INTMAX_MIN INT32_MIN
+# define INTMAX_MAX INT32_MAX
+#endif
+
+#undef UINTMAX_MAX
+#ifdef UINT64_MAX
+# define UINTMAX_MAX UINT64_MAX
+#else
+# define UINTMAX_MAX UINT32_MAX
+#endif
+
+/* 7.18.3. Limits of other integer types */
+
+/* ptrdiff_t limits */
+#undef PTRDIFF_MIN
+#undef PTRDIFF_MAX
+#define PTRDIFF_MIN \
+ _STDINT_MIN (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
+#define PTRDIFF_MAX \
+ _STDINT_MAX (1, @BITSIZEOF_PTRDIFF_T@, 0@PTRDIFF_T_SUFFIX@)
+
+/* sig_atomic_t limits */
+#undef SIG_ATOMIC_MIN
+#undef SIG_ATOMIC_MAX
+#define SIG_ATOMIC_MIN \
+ _STDINT_MIN (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
+ 0@SIG_ATOMIC_T_SUFFIX@)
+#define SIG_ATOMIC_MAX \
+ _STDINT_MAX (@HAVE_SIGNED_SIG_ATOMIC_T@, @BITSIZEOF_SIG_ATOMIC_T@, \
+ 0@SIG_ATOMIC_T_SUFFIX@)
+
+
+/* size_t limit */
+#undef SIZE_MAX
+#define SIZE_MAX _STDINT_MAX (0, @BITSIZEOF_SIZE_T@, 0@SIZE_T_SUFFIX@)
+
+/* wchar_t limits */
+#undef WCHAR_MIN
+#undef WCHAR_MAX
+#define WCHAR_MIN \
+ _STDINT_MIN (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
+#define WCHAR_MAX \
+ _STDINT_MAX (@HAVE_SIGNED_WCHAR_T@, @BITSIZEOF_WCHAR_T@, 0@WCHAR_T_SUFFIX@)
+
+/* wint_t limits */
+#undef WINT_MIN
+#undef WINT_MAX
+#define WINT_MIN \
+ _STDINT_MIN (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
+#define WINT_MAX \
+ _STDINT_MAX (@HAVE_SIGNED_WINT_T@, @BITSIZEOF_WINT_T@, 0@WINT_T_SUFFIX@)
+
+#endif /* !defined __cplusplus || defined __STDC_LIMIT_MACROS */
+
+/* 7.18.4. Macros for integer constants */
+
+#if ! defined __cplusplus || defined __STDC_CONSTANT_MACROS
+
+/* 7.18.4.1. Macros for minimum-width integer constants */
+/* According to ISO C 99 Technical Corrigendum 1 */
+
+/* Here we assume a standard architecture where the hardware integer
+ types have 8, 16, 32, optionally 64 bits, and int is 32 bits. */
+
+#undef INT8_C
+#undef UINT8_C
+#define INT8_C(x) x
+#define UINT8_C(x) x
+
+#undef INT16_C
+#undef UINT16_C
+#define INT16_C(x) x
+#define UINT16_C(x) x
+
+#undef INT32_C
+#undef UINT32_C
+#define INT32_C(x) x
+#define UINT32_C(x) x ## U
+
+#undef INT64_C
+#undef UINT64_C
+#if LONG_MAX >> 31 >> 31 == 1
+# define INT64_C(x) x##L
+#elif defined _MSC_VER
+# define INT64_C(x) x##i64
+#elif @HAVE_LONG_LONG_INT@
+# define INT64_C(x) x##LL
+#endif
+#if ULONG_MAX >> 31 >> 31 >> 1 == 1
+# define UINT64_C(x) x##UL
+#elif defined _MSC_VER
+# define UINT64_C(x) x##ui64
+#elif @HAVE_UNSIGNED_LONG_LONG_INT@
+# define UINT64_C(x) x##ULL
+#endif
+
+/* 7.18.4.2. Macros for greatest-width integer constants */
+
+#undef INTMAX_C
+#if @HAVE_LONG_LONG_INT@ && LONG_MAX >> 30 == 1
+# define INTMAX_C(x) x##LL
+#elif defined GL_INT64_T
+# define INTMAX_C(x) INT64_C(x)
+#else
+# define INTMAX_C(x) x##L
+#endif
+
+#undef UINTMAX_C
+#if @HAVE_UNSIGNED_LONG_LONG_INT@ && ULONG_MAX >> 31 == 1
+# define UINTMAX_C(x) x##ULL
+#elif defined GL_UINT64_T
+# define UINTMAX_C(x) UINT64_C(x)
+#else
+# define UINTMAX_C(x) x##UL
+#endif
+
+#endif /* !defined __cplusplus || defined __STDC_CONSTANT_MACROS */
+
+#endif /* _GL_STDINT_H */
+#endif /* !defined _GL_STDINT_H && !defined _GL_JUST_INCLUDE_SYSTEM_STDINT_H */
diff --git a/gl/stdio-impl.h b/gl/stdio-impl.h
new file mode 100644
index 0000000000..c803e88c97
--- /dev/null
+++ b/gl/stdio-impl.h
@@ -0,0 +1,94 @@
+/* Implementation details of FILE streams.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Many stdio implementations have the same logic and therefore can share
+ the same implementation of stdio extension API, except that some fields
+ have different naming conventions, or their access requires some casts. */
+
+
+/* BSD stdio derived implementations. */
+
+#if defined __sferror || defined __DragonFly__ /* FreeBSD, NetBSD, OpenBSD, DragonFly, MacOS X, Cygwin */
+
+# if defined __DragonFly__ /* DragonFly */
+ /* See <http://www.dragonflybsd.org/cvsweb/src/lib/libc/stdio/priv_stdio.h?rev=HEAD&content-type=text/x-cvsweb-markup>. */
+# define fp_ ((struct { struct __FILE_public pub; \
+ struct { unsigned char *_base; int _size; } _bf; \
+ void *cookie; \
+ void *_close; \
+ void *_read; \
+ void *_seek; \
+ void *_write; \
+ struct { unsigned char *_base; int _size; } _ub; \
+ int _ur; \
+ unsigned char _ubuf[3]; \
+ unsigned char _nbuf[1]; \
+ struct { unsigned char *_base; int _size; } _lb; \
+ int _blksize; \
+ fpos_t _offset; \
+ /* More fields, not relevant here. */ \
+ } *) fp)
+ /* See <http://www.dragonflybsd.org/cvsweb/src/include/stdio.h?rev=HEAD&content-type=text/x-cvsweb-markup>. */
+# define _p pub._p
+# define _flags pub._flags
+# define _r pub._r
+# define _w pub._w
+# else
+# define fp_ fp
+# endif
+
+# if defined __NetBSD__ || defined __OpenBSD__ /* NetBSD, OpenBSD */
+ /* See <http://cvsweb.netbsd.org/bsdweb.cgi/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup>
+ and <http://www.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdio/fileext.h?rev=HEAD&content-type=text/x-cvsweb-markup> */
+ struct __sfileext
+ {
+ struct __sbuf _ub; /* ungetc buffer */
+ /* More fields, not relevant here. */
+ };
+# define fp_ub ((struct __sfileext *) fp->_ext._base)->_ub
+# else /* FreeBSD, DragonFly, MacOS X, Cygwin */
+# define fp_ub fp_->_ub
+# endif
+
+# define HASUB(fp) (fp_ub._base != NULL)
+
+#endif
+
+
+/* SystemV derived implementations. */
+
+#if defined _IOERR
+
+# if defined __sun && defined _LP64 /* Solaris/{SPARC,AMD64} 64-bit */
+# define fp_ ((struct { unsigned char *_ptr; \
+ unsigned char *_base; \
+ unsigned char *_end; \
+ long _cnt; \
+ int _file; \
+ unsigned int _flag; \
+ } *) fp)
+# else
+# define fp_ fp
+# endif
+
+# if defined _SCO_DS /* OpenServer */
+# define _cnt __cnt
+# define _ptr __ptr
+# define _base __base
+# define _flag __flag
+# endif
+
+#endif
diff --git a/gl/stdio-write.c b/gl/stdio-write.c
new file mode 100644
index 0000000000..f1d0fcb730
--- /dev/null
+++ b/gl/stdio-write.c
@@ -0,0 +1,148 @@
+/* POSIX compatible FILE stream write function.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2008.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <stdio.h>
+
+/* Replace these functions only if module 'sigpipe' is requested. */
+#if GNULIB_SIGPIPE
+
+/* On native Windows platforms, SIGPIPE does not exist. When write() is
+ called on a pipe with no readers, WriteFile() fails with error
+ GetLastError() = ERROR_NO_DATA, and write() in consequence fails with
+ error EINVAL. This write() function is at the basis of the function
+ which flushes the buffer of a FILE stream. */
+
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+
+# include <errno.h>
+# include <signal.h>
+# include <io.h>
+
+# define WIN32_LEAN_AND_MEAN /* avoid including junk */
+# include <windows.h>
+
+# define CALL_WITH_SIGPIPE_EMULATION(RETTYPE, EXPRESSION, FAILED) \
+ if (ferror (stream)) \
+ return (EXPRESSION); \
+ else \
+ { \
+ RETTYPE ret; \
+ SetLastError (0); \
+ ret = (EXPRESSION); \
+ if (FAILED && GetLastError () == ERROR_NO_DATA && ferror (stream)) \
+ { \
+ int fd = fileno (stream); \
+ if (fd >= 0 \
+ && GetFileType ((HANDLE) _get_osfhandle (fd)) == FILE_TYPE_PIPE)\
+ { \
+ /* Try to raise signal SIGPIPE. */ \
+ raise (SIGPIPE); \
+ /* If it is currently blocked or ignored, change errno from \
+ EINVAL to EPIPE. */ \
+ errno = EPIPE; \
+ } \
+ } \
+ return ret; \
+ }
+
+# if !REPLACE_PRINTF_POSIX /* avoid collision with printf.c */
+int
+printf (const char *format, ...)
+{
+ int retval;
+ va_list args;
+
+ va_start (args, format);
+ retval = vfprintf (stdout, format, args);
+ va_end (args);
+
+ return retval;
+}
+# endif
+
+# if !REPLACE_FPRINTF_POSIX /* avoid collision with fprintf.c */
+int
+fprintf (FILE *stream, const char *format, ...)
+{
+ int retval;
+ va_list args;
+
+ va_start (args, format);
+ retval = vfprintf (stream, format, args);
+ va_end (args);
+
+ return retval;
+}
+# endif
+
+# if !REPLACE_VFPRINTF_POSIX /* avoid collision with vprintf.c */
+int
+vprintf (const char *format, va_list args)
+{
+ return vfprintf (stdout, format, args);
+}
+# endif
+
+# if !REPLACE_VPRINTF_POSIX /* avoid collision with vfprintf.c */
+int
+vfprintf (FILE *stream, const char *format, va_list args)
+#undef vfprintf
+{
+ CALL_WITH_SIGPIPE_EMULATION (int, vfprintf (stream, format, args), ret == EOF)
+}
+# endif
+
+int
+putchar (int c)
+{
+ return fputc (c, stdout);
+}
+
+int
+fputc (int c, FILE *stream)
+#undef fputc
+{
+ CALL_WITH_SIGPIPE_EMULATION (int, fputc (c, stream), ret == EOF)
+}
+
+int
+fputs (const char *string, FILE *stream)
+#undef fputs
+{
+ CALL_WITH_SIGPIPE_EMULATION (int, fputs (string, stream), ret == EOF)
+}
+
+int
+puts (const char *string)
+#undef puts
+{
+ FILE *stream = stdout;
+ CALL_WITH_SIGPIPE_EMULATION (int, puts (string), ret == EOF)
+}
+
+size_t
+fwrite (const void *ptr, size_t s, size_t n, FILE *stream)
+#undef fwrite
+{
+ CALL_WITH_SIGPIPE_EMULATION (size_t, fwrite (ptr, s, n, stream), ret < n)
+}
+
+# endif
+#endif
diff --git a/gl/stdio.in.h b/gl/stdio.in.h
new file mode 100644
index 0000000000..96cb25737e
--- /dev/null
+++ b/gl/stdio.in.h
@@ -0,0 +1,492 @@
+/* A GNU-like <stdio.h>.
+
+ Copyright (C) 2004, 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+#if defined __need_FILE || defined __need___FILE
+/* Special invocation convention inside glibc header files. */
+
+#@INCLUDE_NEXT@ @NEXT_STDIO_H@
+
+#else
+/* Normal invocation convention. */
+
+#ifndef _GL_STDIO_H
+
+/* The include_next requires a split double-inclusion guard. */
+#@INCLUDE_NEXT@ @NEXT_STDIO_H@
+
+#ifndef _GL_STDIO_H
+#define _GL_STDIO_H
+
+#include <stdarg.h>
+#include <stddef.h>
+
+#if (@GNULIB_FSEEKO@ && @REPLACE_FSEEKO@) \
+ || (@GNULIB_FTELLO@ && @REPLACE_FTELLO@) \
+ || (@GNULIB_GETDELIM@ && !@HAVE_DECL_GETDELIM@) \
+ || (@GNULIB_GETLINE@ && (!@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@))
+/* Get off_t and ssize_t. */
+# include <sys/types.h>
+#endif
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
+#endif
+
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if @GNULIB_FPRINTF_POSIX@
+# if @REPLACE_FPRINTF@
+# define fprintf rpl_fprintf
+extern int fprintf (FILE *fp, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+# endif
+#elif @GNULIB_FPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# define fprintf rpl_fprintf
+extern int fprintf (FILE *fp, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+#elif defined GNULIB_POSIXCHECK
+# undef fprintf
+# define fprintf \
+ (GL_LINK_WARNING ("fprintf is not always POSIX compliant - " \
+ "use gnulib module fprintf-posix for portable " \
+ "POSIX compliance"), \
+ fprintf)
+#endif
+
+#if @GNULIB_VFPRINTF_POSIX@
+# if @REPLACE_VFPRINTF@
+# define vfprintf rpl_vfprintf
+extern int vfprintf (FILE *fp, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+# endif
+#elif @GNULIB_VFPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# define vfprintf rpl_vfprintf
+extern int vfprintf (FILE *fp, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+#elif defined GNULIB_POSIXCHECK
+# undef vfprintf
+# define vfprintf(s,f,a) \
+ (GL_LINK_WARNING ("vfprintf is not always POSIX compliant - " \
+ "use gnulib module vfprintf-posix for portable " \
+ "POSIX compliance"), \
+ vfprintf (s, f, a))
+#endif
+
+#if @GNULIB_PRINTF_POSIX@
+# if @REPLACE_PRINTF@
+/* Don't break __attribute__((format(printf,M,N))). */
+# define printf __printf__
+extern int printf (const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 1, 2)));
+# endif
+#elif @GNULIB_PRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+/* Don't break __attribute__((format(printf,M,N))). */
+# define printf __printf__
+extern int printf (const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 1, 2)));
+#elif defined GNULIB_POSIXCHECK
+# undef printf
+# define printf \
+ (GL_LINK_WARNING ("printf is not always POSIX compliant - " \
+ "use gnulib module printf-posix for portable " \
+ "POSIX compliance"), \
+ printf)
+/* Don't break __attribute__((format(printf,M,N))). */
+# define format(kind,m,n) format (__##kind##__, m, n)
+# define __format__(kind,m,n) __format__ (__##kind##__, m, n)
+# define ____printf____ __printf__
+# define ____scanf____ __scanf__
+# define ____strftime____ __strftime__
+# define ____strfmon____ __strfmon__
+#endif
+
+#if @GNULIB_VPRINTF_POSIX@
+# if @REPLACE_VPRINTF@
+# define vprintf rpl_vprintf
+extern int vprintf (const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 1, 0)));
+# endif
+#elif @GNULIB_VPRINTF@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# define vprintf rpl_vprintf
+extern int vprintf (const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 1, 0)));
+#elif defined GNULIB_POSIXCHECK
+# undef vprintf
+# define vprintf(f,a) \
+ (GL_LINK_WARNING ("vprintf is not always POSIX compliant - " \
+ "use gnulib module vprintf-posix for portable " \
+ "POSIX compliance"), \
+ vprintf (f, a))
+#endif
+
+#if @GNULIB_SNPRINTF@
+# if @REPLACE_SNPRINTF@
+# define snprintf rpl_snprintf
+# endif
+# if @REPLACE_SNPRINTF@ || !@HAVE_DECL_SNPRINTF@
+extern int snprintf (char *str, size_t size, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef snprintf
+# define snprintf \
+ (GL_LINK_WARNING ("snprintf is unportable - " \
+ "use gnulib module snprintf for portability"), \
+ snprintf)
+#endif
+
+#if @GNULIB_VSNPRINTF@
+# if @REPLACE_VSNPRINTF@
+# define vsnprintf rpl_vsnprintf
+# endif
+# if @REPLACE_VSNPRINTF@ || !@HAVE_DECL_VSNPRINTF@
+extern int vsnprintf (char *str, size_t size, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 3, 0)));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef vsnprintf
+# define vsnprintf(b,s,f,a) \
+ (GL_LINK_WARNING ("vsnprintf is unportable - " \
+ "use gnulib module vsnprintf for portability"), \
+ vsnprintf (b, s, f, a))
+#endif
+
+#if @GNULIB_SPRINTF_POSIX@
+# if @REPLACE_SPRINTF@
+# define sprintf rpl_sprintf
+extern int sprintf (char *str, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef sprintf
+# define sprintf \
+ (GL_LINK_WARNING ("sprintf is not always POSIX compliant - " \
+ "use gnulib module sprintf-posix for portable " \
+ "POSIX compliance"), \
+ sprintf)
+#endif
+
+#if @GNULIB_VSPRINTF_POSIX@
+# if @REPLACE_VSPRINTF@
+# define vsprintf rpl_vsprintf
+extern int vsprintf (char *str, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef vsprintf
+# define vsprintf(b,f,a) \
+ (GL_LINK_WARNING ("vsprintf is not always POSIX compliant - " \
+ "use gnulib module vsprintf-posix for portable " \
+ "POSIX compliance"), \
+ vsprintf (b, f, a))
+#endif
+
+#if @GNULIB_VASPRINTF@
+# if @REPLACE_VASPRINTF@
+# define asprintf rpl_asprintf
+# define vasprintf rpl_vasprintf
+# endif
+# if @REPLACE_VASPRINTF@ || !@HAVE_VASPRINTF@
+ /* Write formatted output to a string dynamically allocated with malloc().
+ If the memory allocation succeeds, store the address of the string in
+ *RESULT and return the number of resulting bytes, excluding the trailing
+ NUL. Upon memory allocation error, or some other error, return -1. */
+ extern int asprintf (char **result, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+ extern int vasprintf (char **result, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+# endif
+#endif
+
+#if @GNULIB_OBSTACK_PRINTF@
+# if @REPLACE_OBSTACK_PRINTF@
+# define obstack_printf rpl_osbtack_printf
+# define obstack_vprintf rpl_obstack_vprintf
+# endif
+# if @REPLACE_OBSTACK_PRINTF@ || !@HAVE_DECL_OBSTACK_PRINTF@
+ struct obstack;
+ /* Grow an obstack with formatted output. Return the number of
+ bytes added to OBS. No trailing nul byte is added, and the
+ object should be closed with obstack_finish before use. Upon
+ memory allocation error, call obstack_alloc_failed_handler. Upon
+ other error, return -1. */
+ extern int obstack_printf (struct obstack *obs, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 2, 3)));
+ extern int obstack_vprintf (struct obstack *obs, const char *format,
+ va_list args)
+ __attribute__ ((__format__ (__printf__, 2, 0)));
+# endif
+#endif
+
+#if @GNULIB_FOPEN@
+# if @REPLACE_FOPEN@
+# undef fopen
+# define fopen rpl_fopen
+extern FILE * fopen (const char *filename, const char *mode);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fopen
+# define fopen(f,m) \
+ (GL_LINK_WARNING ("fopen on Win32 platforms is not POSIX compatible - " \
+ "use gnulib module fopen for portability"), \
+ fopen (f, m))
+#endif
+
+#if @GNULIB_FREOPEN@
+# if @REPLACE_FREOPEN@
+# undef freopen
+# define freopen rpl_freopen
+extern FILE * freopen (const char *filename, const char *mode, FILE *stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef freopen
+# define freopen(f,m,s) \
+ (GL_LINK_WARNING ("freopen on Win32 platforms is not POSIX compatible - " \
+ "use gnulib module freopen for portability"), \
+ freopen (f, m, s))
+#endif
+
+#if @GNULIB_FSEEKO@
+# if @REPLACE_FSEEKO@
+/* Provide fseek, fseeko functions that are aware of a preceding
+ fflush(), and which detect pipes. */
+# define fseeko rpl_fseeko
+extern int fseeko (FILE *fp, off_t offset, int whence);
+# define fseek(fp, offset, whence) fseeko (fp, (off_t)(offset), whence)
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fseeko
+# define fseeko(f,o,w) \
+ (GL_LINK_WARNING ("fseeko is unportable - " \
+ "use gnulib module fseeko for portability"), \
+ fseeko (f, o, w))
+#endif
+
+#if @GNULIB_FSEEK@ && @REPLACE_FSEEK@
+extern int rpl_fseek (FILE *fp, long offset, int whence);
+# undef fseek
+# if defined GNULIB_POSIXCHECK
+# define fseek(f,o,w) \
+ (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
+ "on 32-bit platforms - " \
+ "use fseeko function for handling of large files"), \
+ rpl_fseek (f, o, w))
+# else
+# define fseek rpl_fseek
+# endif
+#elif defined GNULIB_POSIXCHECK
+# ifndef fseek
+# define fseek(f,o,w) \
+ (GL_LINK_WARNING ("fseek cannot handle files larger than 4 GB " \
+ "on 32-bit platforms - " \
+ "use fseeko function for handling of large files"), \
+ fseek (f, o, w))
+# endif
+#endif
+
+#if @GNULIB_FTELLO@
+# if @REPLACE_FTELLO@
+# define ftello rpl_ftello
+extern off_t ftello (FILE *fp);
+# define ftell(fp) ftello (fp)
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef ftello
+# define ftello(f) \
+ (GL_LINK_WARNING ("ftello is unportable - " \
+ "use gnulib module ftello for portability"), \
+ ftello (f))
+#endif
+
+#if @GNULIB_FTELL@ && @REPLACE_FTELL@
+extern long rpl_ftell (FILE *fp);
+# undef ftell
+# if GNULIB_POSIXCHECK
+# define ftell(f) \
+ (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
+ "on 32-bit platforms - " \
+ "use ftello function for handling of large files"), \
+ rpl_ftell (f))
+# else
+# define ftell rpl_ftell
+# endif
+#elif defined GNULIB_POSIXCHECK
+# ifndef ftell
+# define ftell(f) \
+ (GL_LINK_WARNING ("ftell cannot handle files larger than 4 GB " \
+ "on 32-bit platforms - " \
+ "use ftello function for handling of large files"), \
+ ftell (f))
+# endif
+#endif
+
+#if @GNULIB_FFLUSH@
+# if @REPLACE_FFLUSH@
+# define fflush rpl_fflush
+ /* Flush all pending data on STREAM according to POSIX rules. Both
+ output and seekable input streams are supported.
+ Note! LOSS OF DATA can occur if fflush is applied on an input stream
+ that is _not_seekable_ or on an update stream that is _not_seekable_
+ and in which the most recent operation was input. Seekability can
+ be tested with lseek(fileno(fp),0,SEEK_CUR). */
+ extern int fflush (FILE *gl_stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fflush
+# define fflush(f) \
+ (GL_LINK_WARNING ("fflush is not always POSIX compliant - " \
+ "use gnulib module fflush for portable " \
+ "POSIX compliance"), \
+ fflush (f))
+#endif
+
+#if @GNULIB_FCLOSE@
+# if @REPLACE_FCLOSE@
+# define fclose rpl_fclose
+ /* Close STREAM and its underlying file descriptor. */
+extern int fclose (FILE *stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fclose
+# define fclose(f) \
+ (GL_LINK_WARNING ("fclose is not always POSIX compliant - " \
+ "use gnulib module fclose for portable " \
+ "POSIX compliance"), \
+ fclose (f))
+#endif
+
+#if @GNULIB_FPUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# undef fputc
+# define fputc rpl_fputc
+extern int fputc (int c, FILE *stream);
+#endif
+
+#if @GNULIB_PUTC@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# undef putc
+# define putc rpl_fputc
+extern int putc (int c, FILE *stream);
+#endif
+
+#if @GNULIB_PUTCHAR@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# undef putchar
+# define putchar rpl_putchar
+extern int putchar (int c);
+#endif
+
+#if @GNULIB_FPUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# undef fputs
+# define fputs rpl_fputs
+extern int fputs (const char *string, FILE *stream);
+#endif
+
+#if @GNULIB_PUTS@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# undef puts
+# define puts rpl_puts
+extern int puts (const char *string);
+#endif
+
+#if @GNULIB_FWRITE@ && @REPLACE_STDIO_WRITE_FUNCS@ && @GNULIB_STDIO_H_SIGPIPE@
+# undef fwrite
+# define fwrite rpl_fwrite
+extern size_t fwrite (const void *ptr, size_t s, size_t n, FILE *stream);
+#endif
+
+#if @GNULIB_GETDELIM@
+# if !@HAVE_DECL_GETDELIM@
+/* Read input, up to (and including) the next occurrence of DELIMITER, from
+ STREAM, store it in *LINEPTR (and NUL-terminate it).
+ *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
+ bytes of space. It is realloc'd as necessary.
+ Return the number of bytes read and stored at *LINEPTR (not including the
+ NUL terminator), or -1 on error or EOF. */
+extern ssize_t getdelim (char **lineptr, size_t *linesize, int delimiter,
+ FILE *stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getdelim
+# define getdelim(l, s, d, f) \
+ (GL_LINK_WARNING ("getdelim is unportable - " \
+ "use gnulib module getdelim for portability"), \
+ getdelim (l, s, d, f))
+#endif
+
+#if @GNULIB_GETLINE@
+# if @REPLACE_GETLINE@
+# undef getline
+# define getline rpl_getline
+# endif
+# if !@HAVE_DECL_GETLINE@ || @REPLACE_GETLINE@
+/* Read a line, up to (and including) the next newline, from STREAM, store it
+ in *LINEPTR (and NUL-terminate it).
+ *LINEPTR is a pointer returned from malloc (or NULL), pointing to *LINESIZE
+ bytes of space. It is realloc'd as necessary.
+ Return the number of bytes read and stored at *LINEPTR (not including the
+ NUL terminator), or -1 on error or EOF. */
+extern ssize_t getline (char **lineptr, size_t *linesize, FILE *stream);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getline
+# define getline(l, s, f) \
+ (GL_LINK_WARNING ("getline is unportable - " \
+ "use gnulib module getline for portability"), \
+ getline (l, s, f))
+#endif
+
+#if @GNULIB_PERROR@
+# if @REPLACE_PERROR@
+# define perror rpl_perror
+/* Print a message to standard error, describing the value of ERRNO,
+ (if STRING is not NULL and not empty) prefixed with STRING and ": ",
+ and terminated with a newline. */
+extern void perror (const char *string);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef perror
+# define perror(s) \
+ (GL_LINK_WARNING ("perror is not always POSIX compliant - " \
+ "use gnulib module perror for portability"), \
+ perror (s))
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GL_STDIO_H */
+#endif /* _GL_STDIO_H */
+#endif
diff --git a/gl/stdlib.in.h b/gl/stdlib.in.h
new file mode 100644
index 0000000000..f6ebe253c8
--- /dev/null
+++ b/gl/stdlib.in.h
@@ -0,0 +1,377 @@
+/* A GNU-like <stdlib.h>.
+
+ Copyright (C) 1995, 2001-2004, 2006-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+#if defined __need_malloc_and_calloc
+/* Special invocation convention inside glibc header files. */
+
+#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
+
+#else
+/* Normal invocation convention. */
+
+#ifndef _GL_STDLIB_H
+
+/* The include_next requires a split double-inclusion guard. */
+#@INCLUDE_NEXT@ @NEXT_STDLIB_H@
+
+#ifndef _GL_STDLIB_H
+#define _GL_STDLIB_H
+
+
+/* Solaris declares getloadavg() in <sys/loadavg.h>. */
+#if @GNULIB_GETLOADAVG@ && @HAVE_SYS_LOADAVG_H@
+# include <sys/loadavg.h>
+#endif
+
+#if @GNULIB_RANDOM_R@ || !@HAVE_STRUCT_RANDOM_DATA@
+# include <stdint.h>
+#endif
+
+#if !@HAVE_STRUCT_RANDOM_DATA@
+struct random_data
+{
+ int32_t *fptr; /* Front pointer. */
+ int32_t *rptr; /* Rear pointer. */
+ int32_t *state; /* Array of state values. */
+ int rand_type; /* Type of random number generator. */
+ int rand_deg; /* Degree of random number generator. */
+ int rand_sep; /* Distance between front and rear. */
+ int32_t *end_ptr; /* Pointer behind state table. */
+};
+#endif
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+
+/* Some systems do not define EXIT_*, despite otherwise supporting C89. */
+#ifndef EXIT_SUCCESS
+# define EXIT_SUCCESS 0
+#endif
+/* Tandem/NSK and other platforms that define EXIT_FAILURE as -1 interfere
+ with proper operation of xargs. */
+#ifndef EXIT_FAILURE
+# define EXIT_FAILURE 1
+#elif EXIT_FAILURE != 1
+# undef EXIT_FAILURE
+# define EXIT_FAILURE 1
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if @GNULIB_MALLOC_POSIX@
+# if !@HAVE_MALLOC_POSIX@
+# undef malloc
+# define malloc rpl_malloc
+extern void * malloc (size_t size);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef malloc
+# define malloc(s) \
+ (GL_LINK_WARNING ("malloc is not POSIX compliant everywhere - " \
+ "use gnulib module malloc-posix for portability"), \
+ malloc (s))
+#endif
+
+
+#if @GNULIB_REALLOC_POSIX@
+# if !@HAVE_REALLOC_POSIX@
+# undef realloc
+# define realloc rpl_realloc
+extern void * realloc (void *ptr, size_t size);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef realloc
+# define realloc(p,s) \
+ (GL_LINK_WARNING ("realloc is not POSIX compliant everywhere - " \
+ "use gnulib module realloc-posix for portability"), \
+ realloc (p, s))
+#endif
+
+
+#if @GNULIB_CALLOC_POSIX@
+# if !@HAVE_CALLOC_POSIX@
+# undef calloc
+# define calloc rpl_calloc
+extern void * calloc (size_t nmemb, size_t size);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef calloc
+# define calloc(n,s) \
+ (GL_LINK_WARNING ("calloc is not POSIX compliant everywhere - " \
+ "use gnulib module calloc-posix for portability"), \
+ calloc (n, s))
+#endif
+
+
+#if @GNULIB_ATOLL@
+# if !@HAVE_ATOLL@
+/* Parse a signed decimal integer.
+ Returns the value of the integer. Errors are not detected. */
+extern long long atoll (const char *string);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef atoll
+# define atoll(s) \
+ (GL_LINK_WARNING ("atoll is unportable - " \
+ "use gnulib module atoll for portability"), \
+ atoll (s))
+#endif
+
+
+#if @GNULIB_GETLOADAVG@
+# if !@HAVE_DECL_GETLOADAVG@
+/* Store max(NELEM,3) load average numbers in LOADAVG[].
+ The three numbers are the load average of the last 1 minute, the last 5
+ minutes, and the last 15 minutes, respectively.
+ LOADAVG is an array of NELEM numbers. */
+extern int getloadavg (double loadavg[], int nelem);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getloadavg
+# define getloadavg(l,n) \
+ (GL_LINK_WARNING ("getloadavg is not portable - " \
+ "use gnulib module getloadavg for portability"), \
+ getloadavg (l, n))
+#endif
+
+
+#if @GNULIB_GETSUBOPT@
+/* Assuming *OPTIONP is a comma separated list of elements of the form
+ "token" or "token=value", getsubopt parses the first of these elements.
+ If the first element refers to a "token" that is member of the given
+ NULL-terminated array of tokens:
+ - It replaces the comma with a NUL byte, updates *OPTIONP to point past
+ the first option and the comma, sets *VALUEP to the value of the
+ element (or NULL if it doesn't contain an "=" sign),
+ - It returns the index of the "token" in the given array of tokens.
+ Otherwise it returns -1, and *OPTIONP and *VALUEP are undefined.
+ For more details see the POSIX:2001 specification.
+ http://www.opengroup.org/susv3xsh/getsubopt.html */
+# if !@HAVE_GETSUBOPT@
+extern int getsubopt (char **optionp, char *const *tokens, char **valuep);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getsubopt
+# define getsubopt(o,t,v) \
+ (GL_LINK_WARNING ("getsubopt is unportable - " \
+ "use gnulib module getsubopt for portability"), \
+ getsubopt (o, t, v))
+#endif
+
+
+#if @GNULIB_MKDTEMP@
+# if !@HAVE_MKDTEMP@
+/* Create a unique temporary directory from TEMPLATE.
+ The last six characters of TEMPLATE must be "XXXXXX";
+ they are replaced with a string that makes the directory name unique.
+ Returns TEMPLATE, or a null pointer if it cannot get a unique name.
+ The directory is created mode 700. */
+extern char * mkdtemp (char * /*template*/);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mkdtemp
+# define mkdtemp(t) \
+ (GL_LINK_WARNING ("mkdtemp is unportable - " \
+ "use gnulib module mkdtemp for portability"), \
+ mkdtemp (t))
+#endif
+
+
+#if @GNULIB_MKSTEMP@
+# if @REPLACE_MKSTEMP@
+/* Create a unique temporary file from TEMPLATE.
+ The last six characters of TEMPLATE must be "XXXXXX";
+ they are replaced with a string that makes the file name unique.
+ The file is then created, ensuring it didn't exist before.
+ The file is created read-write (mask at least 0600 & ~umask), but it may be
+ world-readable and world-writable (mask 0666 & ~umask), depending on the
+ implementation.
+ Returns the open file descriptor if successful, otherwise -1 and errno
+ set. */
+# define mkstemp rpl_mkstemp
+extern int mkstemp (char * /*template*/);
+# else
+/* On MacOS X 10.3, only <unistd.h> declares mkstemp. */
+# include <unistd.h>
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mkstemp
+# define mkstemp(t) \
+ (GL_LINK_WARNING ("mkstemp is unportable - " \
+ "use gnulib module mkstemp for portability"), \
+ mkstemp (t))
+#endif
+
+
+#if @GNULIB_PUTENV@
+# if @REPLACE_PUTENV@
+# undef putenv
+# define putenv rpl_putenv
+extern int putenv (char *string);
+# endif
+#endif
+
+
+#if @GNULIB_RANDOM_R@
+# if !@HAVE_RANDOM_R@
+
+# ifndef RAND_MAX
+# define RAND_MAX 2147483647
+# endif
+
+int srandom_r (unsigned int seed, struct random_data *rand_state);
+int initstate_r (unsigned int seed, char *buf, size_t buf_size,
+ struct random_data *rand_state);
+int setstate_r (char *arg_state, struct random_data *rand_state);
+int random_r (struct random_data *buf, int32_t *result);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef random_r
+# define random_r(b,r) \
+ (GL_LINK_WARNING ("random_r is unportable - " \
+ "use gnulib module random_r for portability"), \
+ random_r (b,r))
+# undef initstate_r
+# define initstate_r(s,b,sz,r) \
+ (GL_LINK_WARNING ("initstate_r is unportable - " \
+ "use gnulib module random_r for portability"), \
+ initstate_r (s,b,sz,r))
+# undef srandom_r
+# define srandom_r(s,r) \
+ (GL_LINK_WARNING ("srandom_r is unportable - " \
+ "use gnulib module random_r for portability"), \
+ srandom_r (s,r))
+# undef setstate_r
+# define setstate_r(a,r) \
+ (GL_LINK_WARNING ("setstate_r is unportable - " \
+ "use gnulib module random_r for portability"), \
+ setstate_r (a,r))
+#endif
+
+
+#if @GNULIB_RPMATCH@
+# if !@HAVE_RPMATCH@
+/* Test a user response to a question.
+ Return 1 if it is affirmative, 0 if it is negative, or -1 if not clear. */
+extern int rpmatch (const char *response);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef rpmatch
+# define rpmatch(r) \
+ (GL_LINK_WARNING ("rpmatch is unportable - " \
+ "use gnulib module rpmatch for portability"), \
+ rpmatch (r))
+#endif
+
+
+#if @GNULIB_SETENV@
+# if !@HAVE_SETENV@
+/* Set NAME to VALUE in the environment.
+ If REPLACE is nonzero, overwrite an existing value. */
+extern int setenv (const char *name, const char *value, int replace);
+# endif
+#endif
+
+
+#if @GNULIB_UNSETENV@
+# if @HAVE_UNSETENV@
+# if @VOID_UNSETENV@
+/* On some systems, unsetenv() returns void.
+ This is the case for MacOS X 10.3, FreeBSD 4.8, NetBSD 1.6, OpenBSD 3.4. */
+# define unsetenv(name) ((unsetenv)(name), 0)
+# endif
+# else
+/* Remove the variable NAME from the environment. */
+extern int unsetenv (const char *name);
+# endif
+#endif
+
+
+#if @GNULIB_STRTOD@
+# if @REPLACE_STRTOD@
+# define strtod rpl_strtod
+# endif
+# if !@HAVE_STRTOD@ || @REPLACE_STRTOD@
+ /* Parse a double from STRING, updating ENDP if appropriate. */
+extern double strtod (const char *str, char **endp);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strtod
+# define strtod(s, e) \
+ (GL_LINK_WARNING ("strtod is unportable - " \
+ "use gnulib module strtod for portability"), \
+ strtod (s, e))
+#endif
+
+
+#if @GNULIB_STRTOLL@
+# if !@HAVE_STRTOLL@
+/* Parse a signed integer whose textual representation starts at STRING.
+ The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
+ it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
+ "0x").
+ If ENDPTR is not NULL, the address of the first byte after the integer is
+ stored in *ENDPTR.
+ Upon overflow, the return value is LLONG_MAX or LLONG_MIN, and errno is set
+ to ERANGE. */
+extern long long strtoll (const char *string, char **endptr, int base);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strtoll
+# define strtoll(s,e,b) \
+ (GL_LINK_WARNING ("strtoll is unportable - " \
+ "use gnulib module strtoll for portability"), \
+ strtoll (s, e, b))
+#endif
+
+
+#if @GNULIB_STRTOULL@
+# if !@HAVE_STRTOULL@
+/* Parse an unsigned integer whose textual representation starts at STRING.
+ The integer is expected to be in base BASE (2 <= BASE <= 36); if BASE == 0,
+ it may be decimal or octal (with prefix "0") or hexadecimal (with prefix
+ "0x").
+ If ENDPTR is not NULL, the address of the first byte after the integer is
+ stored in *ENDPTR.
+ Upon overflow, the return value is ULLONG_MAX, and errno is set to
+ ERANGE. */
+extern unsigned long long strtoull (const char *string, char **endptr, int base);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strtoull
+# define strtoull(s,e,b) \
+ (GL_LINK_WARNING ("strtoull is unportable - " \
+ "use gnulib module strtoull for portability"), \
+ strtoull (s, e, b))
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GL_STDLIB_H */
+#endif /* _GL_STDLIB_H */
+#endif
diff --git a/gl/string.in.h b/gl/string.in.h
new file mode 100644
index 0000000000..f021a3ed9a
--- /dev/null
+++ b/gl/string.in.h
@@ -0,0 +1,605 @@
+/* A GNU-like <string.h>.
+
+ Copyright (C) 1995-1996, 2001-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _GL_STRING_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+/* The include_next requires a split double-inclusion guard. */
+#@INCLUDE_NEXT@ @NEXT_STRING_H@
+
+#ifndef _GL_STRING_H
+#define _GL_STRING_H
+
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+# define __attribute__(Spec) /* empty */
+# endif
+/* The attribute __pure__ was added in gcc 2.96. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
+# define __pure__ /* empty */
+# endif
+#endif
+
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Return the first occurrence of NEEDLE in HAYSTACK. */
+#if @GNULIB_MEMMEM@
+# if @REPLACE_MEMMEM@
+# define memmem rpl_memmem
+# endif
+# if ! @HAVE_DECL_MEMMEM@ || @REPLACE_MEMMEM@
+extern void *memmem (void const *__haystack, size_t __haystack_len,
+ void const *__needle, size_t __needle_len)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef memmem
+# define memmem(a,al,b,bl) \
+ (GL_LINK_WARNING ("memmem is unportable and often quadratic - " \
+ "use gnulib module memmem-simple for portability, " \
+ "and module memmem for speed" ), \
+ memmem (a, al, b, bl))
+#endif
+
+/* Copy N bytes of SRC to DEST, return pointer to bytes after the
+ last written byte. */
+#if @GNULIB_MEMPCPY@
+# if ! @HAVE_MEMPCPY@
+extern void *mempcpy (void *restrict __dest, void const *restrict __src,
+ size_t __n);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef mempcpy
+# define mempcpy(a,b,n) \
+ (GL_LINK_WARNING ("mempcpy is unportable - " \
+ "use gnulib module mempcpy for portability"), \
+ mempcpy (a, b, n))
+#endif
+
+/* Search backwards through a block for a byte (specified as an int). */
+#if @GNULIB_MEMRCHR@
+# if ! @HAVE_DECL_MEMRCHR@
+extern void *memrchr (void const *, int, size_t)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef memrchr
+# define memrchr(a,b,c) \
+ (GL_LINK_WARNING ("memrchr is unportable - " \
+ "use gnulib module memrchr for portability"), \
+ memrchr (a, b, c))
+#endif
+
+/* Find the first occurrence of C in S. More efficient than
+ memchr(S,C,N), at the expense of undefined behavior if C does not
+ occur within N bytes. */
+#if @GNULIB_RAWMEMCHR@
+# if ! @HAVE_RAWMEMCHR@
+extern void *rawmemchr (void const *__s, int __c_in)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef rawmemchr
+# define rawmemchr(a,b) \
+ (GL_LINK_WARNING ("rawmemchr is unportable - " \
+ "use gnulib module rawmemchr for portability"), \
+ rawmemchr (a, b))
+#endif
+
+/* Copy SRC to DST, returning the address of the terminating '\0' in DST. */
+#if @GNULIB_STPCPY@
+# if ! @HAVE_STPCPY@
+extern char *stpcpy (char *restrict __dst, char const *restrict __src);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef stpcpy
+# define stpcpy(a,b) \
+ (GL_LINK_WARNING ("stpcpy is unportable - " \
+ "use gnulib module stpcpy for portability"), \
+ stpcpy (a, b))
+#endif
+
+/* Copy no more than N bytes of SRC to DST, returning a pointer past the
+ last non-NUL byte written into DST. */
+#if @GNULIB_STPNCPY@
+# if ! @HAVE_STPNCPY@
+# define stpncpy gnu_stpncpy
+extern char *stpncpy (char *restrict __dst, char const *restrict __src,
+ size_t __n);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef stpncpy
+# define stpncpy(a,b,n) \
+ (GL_LINK_WARNING ("stpncpy is unportable - " \
+ "use gnulib module stpncpy for portability"), \
+ stpncpy (a, b, n))
+#endif
+
+#if defined GNULIB_POSIXCHECK
+/* strchr() does not work with multibyte strings if the locale encoding is
+ GB18030 and the character to be searched is a digit. */
+# undef strchr
+# define strchr(s,c) \
+ (GL_LINK_WARNING ("strchr cannot work correctly on character strings " \
+ "in some multibyte locales - " \
+ "use mbschr if you care about internationalization"), \
+ strchr (s, c))
+#endif
+
+/* Find the first occurrence of C in S or the final NUL byte. */
+#if @GNULIB_STRCHRNUL@
+# if ! @HAVE_STRCHRNUL@
+extern char *strchrnul (char const *__s, int __c_in)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strchrnul
+# define strchrnul(a,b) \
+ (GL_LINK_WARNING ("strchrnul is unportable - " \
+ "use gnulib module strchrnul for portability"), \
+ strchrnul (a, b))
+#endif
+
+/* Duplicate S, returning an identical malloc'd string. */
+#if @GNULIB_STRDUP@
+# if @REPLACE_STRDUP@
+# undef strdup
+# define strdup rpl_strdup
+# endif
+# if !(@HAVE_DECL_STRDUP@ || defined strdup) || @REPLACE_STRDUP@
+extern char *strdup (char const *__s);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strdup
+# define strdup(a) \
+ (GL_LINK_WARNING ("strdup is unportable - " \
+ "use gnulib module strdup for portability"), \
+ strdup (a))
+#endif
+
+/* Return a newly allocated copy of at most N bytes of STRING. */
+#if @GNULIB_STRNDUP@
+# if ! @HAVE_STRNDUP@
+# undef strndup
+# define strndup rpl_strndup
+# endif
+# if ! @HAVE_STRNDUP@ || ! @HAVE_DECL_STRNDUP@
+extern char *strndup (char const *__string, size_t __n);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strndup
+# define strndup(a,n) \
+ (GL_LINK_WARNING ("strndup is unportable - " \
+ "use gnulib module strndup for portability"), \
+ strndup (a, n))
+#endif
+
+/* Find the length (number of bytes) of STRING, but scan at most
+ MAXLEN bytes. If no '\0' terminator is found in that many bytes,
+ return MAXLEN. */
+#if @GNULIB_STRNLEN@
+# if ! @HAVE_DECL_STRNLEN@
+extern size_t strnlen (char const *__string, size_t __maxlen)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strnlen
+# define strnlen(a,n) \
+ (GL_LINK_WARNING ("strnlen is unportable - " \
+ "use gnulib module strnlen for portability"), \
+ strnlen (a, n))
+#endif
+
+#if defined GNULIB_POSIXCHECK
+/* strcspn() assumes the second argument is a list of single-byte characters.
+ Even in this simple case, it does not work with multibyte strings if the
+ locale encoding is GB18030 and one of the characters to be searched is a
+ digit. */
+# undef strcspn
+# define strcspn(s,a) \
+ (GL_LINK_WARNING ("strcspn cannot work correctly on character strings " \
+ "in multibyte locales - " \
+ "use mbscspn if you care about internationalization"), \
+ strcspn (s, a))
+#endif
+
+/* Find the first occurrence in S of any character in ACCEPT. */
+#if @GNULIB_STRPBRK@
+# if ! @HAVE_STRPBRK@
+extern char *strpbrk (char const *__s, char const *__accept)
+ __attribute__ ((__pure__));
+# endif
+# if defined GNULIB_POSIXCHECK
+/* strpbrk() assumes the second argument is a list of single-byte characters.
+ Even in this simple case, it does not work with multibyte strings if the
+ locale encoding is GB18030 and one of the characters to be searched is a
+ digit. */
+# undef strpbrk
+# define strpbrk(s,a) \
+ (GL_LINK_WARNING ("strpbrk cannot work correctly on character strings " \
+ "in multibyte locales - " \
+ "use mbspbrk if you care about internationalization"), \
+ strpbrk (s, a))
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strpbrk
+# define strpbrk(s,a) \
+ (GL_LINK_WARNING ("strpbrk is unportable - " \
+ "use gnulib module strpbrk for portability"), \
+ strpbrk (s, a))
+#endif
+
+#if defined GNULIB_POSIXCHECK
+/* strspn() assumes the second argument is a list of single-byte characters.
+ Even in this simple case, it cannot work with multibyte strings. */
+# undef strspn
+# define strspn(s,a) \
+ (GL_LINK_WARNING ("strspn cannot work correctly on character strings " \
+ "in multibyte locales - " \
+ "use mbsspn if you care about internationalization"), \
+ strspn (s, a))
+#endif
+
+#if defined GNULIB_POSIXCHECK
+/* strrchr() does not work with multibyte strings if the locale encoding is
+ GB18030 and the character to be searched is a digit. */
+# undef strrchr
+# define strrchr(s,c) \
+ (GL_LINK_WARNING ("strrchr cannot work correctly on character strings " \
+ "in some multibyte locales - " \
+ "use mbsrchr if you care about internationalization"), \
+ strrchr (s, c))
+#endif
+
+/* Search the next delimiter (char listed in DELIM) starting at *STRINGP.
+ If one is found, overwrite it with a NUL, and advance *STRINGP
+ to point to the next char after it. Otherwise, set *STRINGP to NULL.
+ If *STRINGP was already NULL, nothing happens.
+ Return the old value of *STRINGP.
+
+ This is a variant of strtok() that is multithread-safe and supports
+ empty fields.
+
+ Caveat: It modifies the original string.
+ Caveat: These functions cannot be used on constant strings.
+ Caveat: The identity of the delimiting character is lost.
+ Caveat: It doesn't work with multibyte strings unless all of the delimiter
+ characters are ASCII characters < 0x30.
+
+ See also strtok_r(). */
+#if @GNULIB_STRSEP@
+# if ! @HAVE_STRSEP@
+extern char *strsep (char **restrict __stringp, char const *restrict __delim);
+# endif
+# if defined GNULIB_POSIXCHECK
+# undef strsep
+# define strsep(s,d) \
+ (GL_LINK_WARNING ("strsep cannot work correctly on character strings " \
+ "in multibyte locales - " \
+ "use mbssep if you care about internationalization"), \
+ strsep (s, d))
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strsep
+# define strsep(s,d) \
+ (GL_LINK_WARNING ("strsep is unportable - " \
+ "use gnulib module strsep for portability"), \
+ strsep (s, d))
+#endif
+
+#if @GNULIB_STRSTR@
+# if @REPLACE_STRSTR@
+# define strstr rpl_strstr
+char *strstr (const char *haystack, const char *needle)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+/* strstr() does not work with multibyte strings if the locale encoding is
+ different from UTF-8:
+ POSIX says that it operates on "strings", and "string" in POSIX is defined
+ as a sequence of bytes, not of characters. */
+# undef strstr
+# define strstr(a,b) \
+ (GL_LINK_WARNING ("strstr is quadratic on many systems, and cannot " \
+ "work correctly on character strings in most " \
+ "multibyte locales - " \
+ "use mbsstr if you care about internationalization, " \
+ "or use strstr if you care about speed"), \
+ strstr (a, b))
+#endif
+
+/* Find the first occurrence of NEEDLE in HAYSTACK, using case-insensitive
+ comparison. */
+#if @GNULIB_STRCASESTR@
+# if @REPLACE_STRCASESTR@
+# define strcasestr rpl_strcasestr
+# endif
+# if ! @HAVE_STRCASESTR@ || @REPLACE_STRCASESTR@
+extern char *strcasestr (const char *haystack, const char *needle)
+ __attribute__ ((__pure__));
+# endif
+#elif defined GNULIB_POSIXCHECK
+/* strcasestr() does not work with multibyte strings:
+ It is a glibc extension, and glibc implements it only for unibyte
+ locales. */
+# undef strcasestr
+# define strcasestr(a,b) \
+ (GL_LINK_WARNING ("strcasestr does work correctly on character strings " \
+ "in multibyte locales - " \
+ "use mbscasestr if you care about " \
+ "internationalization, or use c-strcasestr if you want " \
+ "a locale independent function"), \
+ strcasestr (a, b))
+#endif
+
+/* Parse S into tokens separated by characters in DELIM.
+ If S is NULL, the saved pointer in SAVE_PTR is used as
+ the next starting point. For example:
+ char s[] = "-abc-=-def";
+ char *sp;
+ x = strtok_r(s, "-", &sp); // x = "abc", sp = "=-def"
+ x = strtok_r(NULL, "-=", &sp); // x = "def", sp = NULL
+ x = strtok_r(NULL, "=", &sp); // x = NULL
+ // s = "abc\0-def\0"
+
+ This is a variant of strtok() that is multithread-safe.
+
+ For the POSIX documentation for this function, see:
+ http://www.opengroup.org/susv3xsh/strtok.html
+
+ Caveat: It modifies the original string.
+ Caveat: These functions cannot be used on constant strings.
+ Caveat: The identity of the delimiting character is lost.
+ Caveat: It doesn't work with multibyte strings unless all of the delimiter
+ characters are ASCII characters < 0x30.
+
+ See also strsep(). */
+#if @GNULIB_STRTOK_R@
+# if ! @HAVE_DECL_STRTOK_R@
+extern char *strtok_r (char *restrict s, char const *restrict delim,
+ char **restrict save_ptr);
+# endif
+# if defined GNULIB_POSIXCHECK
+# undef strtok_r
+# define strtok_r(s,d,p) \
+ (GL_LINK_WARNING ("strtok_r cannot work correctly on character strings " \
+ "in multibyte locales - " \
+ "use mbstok_r if you care about internationalization"), \
+ strtok_r (s, d, p))
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strtok_r
+# define strtok_r(s,d,p) \
+ (GL_LINK_WARNING ("strtok_r is unportable - " \
+ "use gnulib module strtok_r for portability"), \
+ strtok_r (s, d, p))
+#endif
+
+
+/* The following functions are not specified by POSIX. They are gnulib
+ extensions. */
+
+#if @GNULIB_MBSLEN@
+/* Return the number of multibyte characters in the character string STRING.
+ This considers multibyte characters, unlike strlen, which counts bytes. */
+extern size_t mbslen (const char *string);
+#endif
+
+#if @GNULIB_MBSNLEN@
+/* Return the number of multibyte characters in the character string starting
+ at STRING and ending at STRING + LEN. */
+extern size_t mbsnlen (const char *string, size_t len);
+#endif
+
+#if @GNULIB_MBSCHR@
+/* Locate the first single-byte character C in the character string STRING,
+ and return a pointer to it. Return NULL if C is not found in STRING.
+ Unlike strchr(), this function works correctly in multibyte locales with
+ encodings such as GB18030. */
+# define mbschr rpl_mbschr /* avoid collision with HP-UX function */
+extern char * mbschr (const char *string, int c);
+#endif
+
+#if @GNULIB_MBSRCHR@
+/* Locate the last single-byte character C in the character string STRING,
+ and return a pointer to it. Return NULL if C is not found in STRING.
+ Unlike strrchr(), this function works correctly in multibyte locales with
+ encodings such as GB18030. */
+# define mbsrchr rpl_mbsrchr /* avoid collision with HP-UX function */
+extern char * mbsrchr (const char *string, int c);
+#endif
+
+#if @GNULIB_MBSSTR@
+/* Find the first occurrence of the character string NEEDLE in the character
+ string HAYSTACK. Return NULL if NEEDLE is not found in HAYSTACK.
+ Unlike strstr(), this function works correctly in multibyte locales with
+ encodings different from UTF-8. */
+extern char * mbsstr (const char *haystack, const char *needle);
+#endif
+
+#if @GNULIB_MBSCASECMP@
+/* Compare the character strings S1 and S2, ignoring case, returning less than,
+ equal to or greater than zero if S1 is lexicographically less than, equal to
+ or greater than S2.
+ Note: This function may, in multibyte locales, return 0 for strings of
+ different lengths!
+ Unlike strcasecmp(), this function works correctly in multibyte locales. */
+extern int mbscasecmp (const char *s1, const char *s2);
+#endif
+
+#if @GNULIB_MBSNCASECMP@
+/* Compare the initial segment of the character string S1 consisting of at most
+ N characters with the initial segment of the character string S2 consisting
+ of at most N characters, ignoring case, returning less than, equal to or
+ greater than zero if the initial segment of S1 is lexicographically less
+ than, equal to or greater than the initial segment of S2.
+ Note: This function may, in multibyte locales, return 0 for initial segments
+ of different lengths!
+ Unlike strncasecmp(), this function works correctly in multibyte locales.
+ But beware that N is not a byte count but a character count! */
+extern int mbsncasecmp (const char *s1, const char *s2, size_t n);
+#endif
+
+#if @GNULIB_MBSPCASECMP@
+/* Compare the initial segment of the character string STRING consisting of
+ at most mbslen (PREFIX) characters with the character string PREFIX,
+ ignoring case, returning less than, equal to or greater than zero if this
+ initial segment is lexicographically less than, equal to or greater than
+ PREFIX.
+ Note: This function may, in multibyte locales, return 0 if STRING is of
+ smaller length than PREFIX!
+ Unlike strncasecmp(), this function works correctly in multibyte
+ locales. */
+extern char * mbspcasecmp (const char *string, const char *prefix);
+#endif
+
+#if @GNULIB_MBSCASESTR@
+/* Find the first occurrence of the character string NEEDLE in the character
+ string HAYSTACK, using case-insensitive comparison.
+ Note: This function may, in multibyte locales, return success even if
+ strlen (haystack) < strlen (needle) !
+ Unlike strcasestr(), this function works correctly in multibyte locales. */
+extern char * mbscasestr (const char *haystack, const char *needle);
+#endif
+
+#if @GNULIB_MBSCSPN@
+/* Find the first occurrence in the character string STRING of any character
+ in the character string ACCEPT. Return the number of bytes from the
+ beginning of the string to this occurrence, or to the end of the string
+ if none exists.
+ Unlike strcspn(), this function works correctly in multibyte locales. */
+extern size_t mbscspn (const char *string, const char *accept);
+#endif
+
+#if @GNULIB_MBSPBRK@
+/* Find the first occurrence in the character string STRING of any character
+ in the character string ACCEPT. Return the pointer to it, or NULL if none
+ exists.
+ Unlike strpbrk(), this function works correctly in multibyte locales. */
+# define mbspbrk rpl_mbspbrk /* avoid collision with HP-UX function */
+extern char * mbspbrk (const char *string, const char *accept);
+#endif
+
+#if @GNULIB_MBSSPN@
+/* Find the first occurrence in the character string STRING of any character
+ not in the character string REJECT. Return the number of bytes from the
+ beginning of the string to this occurrence, or to the end of the string
+ if none exists.
+ Unlike strspn(), this function works correctly in multibyte locales. */
+extern size_t mbsspn (const char *string, const char *reject);
+#endif
+
+#if @GNULIB_MBSSEP@
+/* Search the next delimiter (multibyte character listed in the character
+ string DELIM) starting at the character string *STRINGP.
+ If one is found, overwrite it with a NUL, and advance *STRINGP to point
+ to the next multibyte character after it. Otherwise, set *STRINGP to NULL.
+ If *STRINGP was already NULL, nothing happens.
+ Return the old value of *STRINGP.
+
+ This is a variant of mbstok_r() that supports empty fields.
+
+ Caveat: It modifies the original string.
+ Caveat: These functions cannot be used on constant strings.
+ Caveat: The identity of the delimiting character is lost.
+
+ See also mbstok_r(). */
+extern char * mbssep (char **stringp, const char *delim);
+#endif
+
+#if @GNULIB_MBSTOK_R@
+/* Parse the character string STRING into tokens separated by characters in
+ the character string DELIM.
+ If STRING is NULL, the saved pointer in SAVE_PTR is used as
+ the next starting point. For example:
+ char s[] = "-abc-=-def";
+ char *sp;
+ x = mbstok_r(s, "-", &sp); // x = "abc", sp = "=-def"
+ x = mbstok_r(NULL, "-=", &sp); // x = "def", sp = NULL
+ x = mbstok_r(NULL, "=", &sp); // x = NULL
+ // s = "abc\0-def\0"
+
+ Caveat: It modifies the original string.
+ Caveat: These functions cannot be used on constant strings.
+ Caveat: The identity of the delimiting character is lost.
+
+ See also mbssep(). */
+extern char * mbstok_r (char *string, const char *delim, char **save_ptr);
+#endif
+
+/* Map any int, typically from errno, into an error message. */
+#if @GNULIB_STRERROR@
+# if @REPLACE_STRERROR@
+# undef strerror
+# define strerror rpl_strerror
+extern char *strerror (int);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strerror
+# define strerror(e) \
+ (GL_LINK_WARNING ("strerror is unportable - " \
+ "use gnulib module strerror to guarantee non-NULL result"), \
+ strerror (e))
+#endif
+
+#if @GNULIB_STRSIGNAL@
+# if @REPLACE_STRSIGNAL@
+# define strsignal rpl_strsignal
+# endif
+# if ! @HAVE_DECL_STRSIGNAL@ || @REPLACE_STRSIGNAL@
+extern char *strsignal (int __sig);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strsignal
+# define strsignal(a) \
+ (GL_LINK_WARNING ("strsignal is unportable - " \
+ "use gnulib module strsignal for portability"), \
+ strsignal (a))
+#endif
+
+#if @GNULIB_STRVERSCMP@
+# if !@HAVE_STRVERSCMP@
+extern int strverscmp (const char *, const char *);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef strverscmp
+# define strverscmp(a, b) \
+ (GL_LINK_WARNING ("strverscmp is unportable - " \
+ "use gnulib module strverscmp for portability"), \
+ strverscmp (a, b))
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GL_STRING_H */
+#endif /* _GL_STRING_H */
diff --git a/gl/sys_socket.in.h b/gl/sys_socket.in.h
new file mode 100644
index 0000000000..5d9b3cdb50
--- /dev/null
+++ b/gl/sys_socket.in.h
@@ -0,0 +1,403 @@
+/* Provide a sys/socket header file for systems lacking it (read: MinGW)
+ and for systems where it is incomplete.
+ Copyright (C) 2005-2008 Free Software Foundation, Inc.
+ Written by Simon Josefsson.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* This file is supposed to be used on platforms that lack <sys/socket.h>,
+ on platforms where <sys/socket.h> cannot be included standalone, and on
+ platforms where <sys/socket.h> does not provide all necessary definitions.
+ It is intended to provide definitions and prototypes needed by an
+ application. */
+
+#ifndef _GL_SYS_SOCKET_H
+
+#if @HAVE_SYS_SOCKET_H@
+
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+
+/* On many platforms, <sys/socket.h> assumes prior inclusion of
+ <sys/types.h>. */
+# include <sys/types.h>
+
+/* The include_next requires a split double-inclusion guard. */
+# @INCLUDE_NEXT@ @NEXT_SYS_SOCKET_H@
+
+#endif
+
+#ifndef _GL_SYS_SOCKET_H
+#define _GL_SYS_SOCKET_H
+
+#if @HAVE_SYS_SOCKET_H@
+
+/* A platform that has <sys/socket.h>. */
+
+/* For shutdown(). */
+# if !defined SHUT_RD
+# define SHUT_RD 0
+# endif
+# if !defined SHUT_WR
+# define SHUT_WR 1
+# endif
+# if !defined SHUT_RDWR
+# define SHUT_RDWR 2
+# endif
+
+#else
+
+# ifdef __CYGWIN__
+# error "Cygwin does have a sys/socket.h, doesn't it?!?"
+# endif
+
+/* A platform that lacks <sys/socket.h>.
+
+ Currently only MinGW is supported. See the gnulib manual regarding
+ Windows sockets. MinGW has the header files winsock2.h and
+ ws2tcpip.h that declare the sys/socket.h definitions we need. Note
+ that you can influence which definitions you get by setting the
+ WINVER symbol before including these two files. For example,
+ getaddrinfo is only available if _WIN32_WINNT >= 0x0501 (that
+ symbol is set indiriectly through WINVER). You can set this by
+ adding AC_DEFINE(WINVER, 0x0501) to configure.ac. Note that your
+ code may not run on older Windows releases then. My Windows 2000
+ box was not able to run the code, for example. The situation is
+ slightly confusing because:
+ http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winsock/winsock/getaddrinfo_2.asp
+ suggests that getaddrinfo should be available on all Windows
+ releases. */
+
+
+# if @HAVE_WINSOCK2_H@
+# include <winsock2.h>
+# endif
+# if @HAVE_WS2TCPIP_H@
+# include <ws2tcpip.h>
+# endif
+
+/* For shutdown(). */
+# if !defined SHUT_RD && defined SD_RECEIVE
+# define SHUT_RD SD_RECEIVE
+# endif
+# if !defined SHUT_WR && defined SD_SEND
+# define SHUT_WR SD_SEND
+# endif
+# if !defined SHUT_RDWR && defined SD_BOTH
+# define SHUT_RDWR SD_BOTH
+# endif
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+# if @HAVE_WINSOCK2_H@
+/* Include headers needed by the emulation code. */
+# include <sys/types.h>
+# include <io.h>
+
+typedef int socklen_t;
+
+# endif
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+# if @HAVE_WINSOCK2_H@
+
+/* Re-define FD_ISSET to avoid a WSA call while we are not using
+ network sockets. */
+static inline int
+rpl_fd_isset (SOCKET fd, fd_set * set)
+{
+ u_int i;
+ if (set == NULL)
+ return 0;
+
+ for (i = 0; i < set->fd_count; i++)
+ if (set->fd_array[i] == fd)
+ return 1;
+
+ return 0;
+}
+
+# undef FD_ISSET
+# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
+
+# endif
+
+/* Wrap everything else to use libc file descriptors for sockets. */
+
+# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# undef close
+# define close close_used_without_including_unistd_h
+# endif
+
+# if @HAVE_WINSOCK2_H@ && !defined _GL_UNISTD_H
+# undef gethostname
+# define gethostname gethostname_used_without_including_unistd_h
+# endif
+
+# if @GNULIB_SOCKET@
+# if @HAVE_WINSOCK2_H@
+# undef socket
+# define socket rpl_socket
+extern int rpl_socket (int, int, int protocol);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef socket
+# define socket socket_used_without_requesting_gnulib_module_socket
+# elif defined GNULIB_POSIXCHECK
+# undef socket
+# define socket(d,t,p) \
+ (GL_LINK_WARNING ("socket is not always POSIX compliant - " \
+ "use gnulib module socket for portability"), \
+ socket (d, t, p))
+# endif
+
+# if @GNULIB_CONNECT@
+# if @HAVE_WINSOCK2_H@
+# undef connect
+# define connect rpl_connect
+extern int rpl_connect (int, struct sockaddr *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef connect
+# define connect socket_used_without_requesting_gnulib_module_connect
+# elif defined GNULIB_POSIXCHECK
+# undef connect
+# define connect(s,a,l) \
+ (GL_LINK_WARNING ("connect is not always POSIX compliant - " \
+ "use gnulib module connect for portability"), \
+ connect (s, a, l))
+# endif
+
+# if @GNULIB_ACCEPT@
+# if @HAVE_WINSOCK2_H@
+# undef accept
+# define accept rpl_accept
+extern int rpl_accept (int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef accept
+# define accept accept_used_without_requesting_gnulib_module_accept
+# elif defined GNULIB_POSIXCHECK
+# undef accept
+# define accept(s,a,l) \
+ (GL_LINK_WARNING ("accept is not always POSIX compliant - " \
+ "use gnulib module accept for portability"), \
+ accept (s, a, l))
+# endif
+
+# if @GNULIB_BIND@
+# if @HAVE_WINSOCK2_H@
+# undef bind
+# define bind rpl_bind
+extern int rpl_bind (int, struct sockaddr *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef bind
+# define bind bind_used_without_requesting_gnulib_module_bind
+# elif defined GNULIB_POSIXCHECK
+# undef bind
+# define bind(s,a,l) \
+ (GL_LINK_WARNING ("bind is not always POSIX compliant - " \
+ "use gnulib module bind for portability"), \
+ bind (s, a, l))
+# endif
+
+# if @GNULIB_GETPEERNAME@
+# if @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername rpl_getpeername
+extern int rpl_getpeername (int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef getpeername
+# define getpeername getpeername_used_without_requesting_gnulib_module_getpeername
+# elif defined GNULIB_POSIXCHECK
+# undef getpeername
+# define getpeername(s,a,l) \
+ (GL_LINK_WARNING ("getpeername is not always POSIX compliant - " \
+ "use gnulib module getpeername for portability"), \
+ getpeername (s, a, l))
+# endif
+
+# if @GNULIB_GETSOCKNAME@
+# if @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname rpl_getsockname
+extern int rpl_getsockname (int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef getsockname
+# define getsockname getsockname_used_without_requesting_gnulib_module_getsockname
+# elif defined GNULIB_POSIXCHECK
+# undef getsockname
+# define getsockname(s,a,l) \
+ (GL_LINK_WARNING ("getsockname is not always POSIX compliant - " \
+ "use gnulib module getsockname for portability"), \
+ getsockname (s, a, l))
+# endif
+
+# if @GNULIB_GETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt rpl_getsockopt
+extern int rpl_getsockopt (int, int, int, void *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef getsockopt
+# define getsockopt getsockopt_used_without_requesting_gnulib_module_getsockopt
+# elif defined GNULIB_POSIXCHECK
+# undef getsockopt
+# define getsockopt(s,lvl,o,v,l) \
+ (GL_LINK_WARNING ("getsockopt is not always POSIX compliant - " \
+ "use gnulib module getsockopt for portability"), \
+ getsockopt (s, lvl, o, v, l))
+# endif
+
+# if @GNULIB_LISTEN@
+# if @HAVE_WINSOCK2_H@
+# undef listen
+# define listen rpl_listen
+extern int rpl_listen (int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef listen
+# define listen listen_used_without_requesting_gnulib_module_listen
+# elif defined GNULIB_POSIXCHECK
+# undef listen
+# define listen(s,b) \
+ (GL_LINK_WARNING ("listen is not always POSIX compliant - " \
+ "use gnulib module listen for portability"), \
+ listen (s, b))
+# endif
+
+# if @GNULIB_RECV@
+# if @HAVE_WINSOCK2_H@
+# undef recv
+# define recv rpl_recv
+extern int rpl_recv (int, void *, int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef recv
+# define recv recv_used_without_requesting_gnulib_module_recv
+# elif defined GNULIB_POSIXCHECK
+# undef recv
+# define recv(s,b,n,f) \
+ (GL_LINK_WARNING ("recv is not always POSIX compliant - " \
+ "use gnulib module recv for portability"), \
+ recv (s, b, n, f))
+# endif
+
+# if @GNULIB_SEND@
+# if @HAVE_WINSOCK2_H@
+# undef send
+# define send rpl_send
+extern int rpl_send (int, const void *, int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef send
+# define send send_used_without_requesting_gnulib_module_send
+# elif defined GNULIB_POSIXCHECK
+# undef send
+# define send(s,b,n,f) \
+ (GL_LINK_WARNING ("send is not always POSIX compliant - " \
+ "use gnulib module send for portability"), \
+ send (s, b, n, f))
+# endif
+
+# if @GNULIB_RECVFROM@
+# if @HAVE_WINSOCK2_H@
+# undef recvfrom
+# define recvfrom rpl_recvfrom
+extern int rpl_recvfrom (int, void *, int, int, struct sockaddr *, int *);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef recvfrom
+# define recvfrom recvfrom_used_without_requesting_gnulib_module_recvfrom
+# elif defined GNULIB_POSIXCHECK
+# undef recvfrom
+# define recvfrom(s,b,n,f,a,l) \
+ (GL_LINK_WARNING ("recvfrom is not always POSIX compliant - " \
+ "use gnulib module recvfrom for portability"), \
+ recvfrom (s, b, n, f, a, l))
+# endif
+
+# if @GNULIB_SENDTO@
+# if @HAVE_WINSOCK2_H@
+# undef sendto
+# define sendto rpl_sendto
+extern int rpl_sendto (int, const void *, int, int, struct sockaddr *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef sendto
+# define sendto sendto_used_without_requesting_gnulib_module_sendto
+# elif defined GNULIB_POSIXCHECK
+# undef sendto
+# define sendto(s,b,n,f,a,l) \
+ (GL_LINK_WARNING ("sendto is not always POSIX compliant - " \
+ "use gnulib module sendto for portability"), \
+ sendto (s, b, n, f, a, l))
+# endif
+
+# if @GNULIB_SETSOCKOPT@
+# if @HAVE_WINSOCK2_H@
+# undef setsockopt
+# define setsockopt rpl_setsockopt
+extern int rpl_setsockopt (int, int, int, const void *, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef setsockopt
+# define setsockopt setsockopt_used_without_requesting_gnulib_module_setsockopt
+# elif defined GNULIB_POSIXCHECK
+# undef setsockopt
+# define setsockopt(s,lvl,o,v,l) \
+ (GL_LINK_WARNING ("setsockopt is not always POSIX compliant - " \
+ "use gnulib module setsockopt for portability"), \
+ setsockopt (s, lvl, o, v, l))
+# endif
+
+# if @GNULIB_SHUTDOWN@
+# if @HAVE_WINSOCK2_H@
+# undef shutdown
+# define shutdown rpl_shutdown
+extern int rpl_shutdown (int, int);
+# endif
+# elif @HAVE_WINSOCK2_H@
+# undef shutdown
+# define shutdown shutdown_used_without_requesting_gnulib_module_shutdown
+# elif defined GNULIB_POSIXCHECK
+# undef shutdown
+# define shutdown(s,h) \
+ (GL_LINK_WARNING ("shutdown is not always POSIX compliant - " \
+ "use gnulib module shutdown for portability"), \
+ shutdown (s, h))
+# endif
+
+# if @HAVE_WINSOCK2_H@
+# undef select
+# define select select_used_without_including_sys_select_h
+# endif
+
+# ifdef __cplusplus
+}
+# endif
+
+#endif /* HAVE_SYS_SOCKET_H */
+
+#endif /* _GL_SYS_SOCKET_H */
+#endif /* _GL_SYS_SOCKET_H */
diff --git a/gl/tests/dummy.c b/gl/tests/dummy.c
new file mode 100644
index 0000000000..ccb5c26f87
--- /dev/null
+++ b/gl/tests/dummy.c
@@ -0,0 +1,42 @@
+/* A dummy file, to prevent empty libraries from breaking builds.
+ Copyright (C) 2004, 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Some systems, reportedly OpenBSD and Mac OS X, refuse to create
+ libraries without any object files. You might get an error like:
+
+ > ar cru .libs/libgl.a
+ > ar: no archive members specified
+
+ Compiling this file, and adding its object file to the library, will
+ prevent the library from being empty. */
+
+/* Some systems, such as Solaris with cc 5.0, refuse to work with libraries
+ that don't export any symbol. You might get an error like:
+
+ > cc ... libgnu.a
+ > ild: (bad file) garbled symbol table in archive ../gllib/libgnu.a
+
+ Compiling this file, and adding its object file to the library, will
+ prevent the library from exporting no symbols. */
+
+#ifdef __sun
+/* This declaration ensures that the library will export at least 1 symbol. */
+int gl_dummy_symbol;
+#else
+/* This declaration is solely to ensure that after preprocessing
+ this file is never empty. */
+typedef int dummy;
+#endif
diff --git a/gl/tests/test-alloca-opt.c b/gl/tests/test-alloca-opt.c
new file mode 100644
index 0000000000..68d906d869
--- /dev/null
+++ b/gl/tests/test-alloca-opt.c
@@ -0,0 +1,62 @@
+/* Test of optional automatic memory allocation.
+ Copyright (C) 2005, 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <alloca.h>
+
+#if HAVE_ALLOCA
+
+static void
+do_allocation (int n)
+{
+ void *ptr = alloca (n);
+ (void) ptr;
+}
+
+void (*func) (int) = do_allocation;
+
+#endif
+
+int
+main ()
+{
+#if HAVE_ALLOCA
+ int i;
+
+ /* Repeat a lot of times, to make sure there's no memory leak. */
+ for (i = 0; i < 100000; i++)
+ {
+ /* Try various values.
+ n = 0 gave a crash on Alpha with gcc-2.5.8.
+ Some versions of MacOS X have a stack size limit of 512 KB. */
+ func (34);
+ func (134);
+ func (399);
+ func (510823);
+ func (129321);
+ func (0);
+ func (4070);
+ func (4095);
+ func (1);
+ func (16582);
+ }
+#endif
+
+ return 0;
+}
diff --git a/gl/tests/test-errno.c b/gl/tests/test-errno.c
new file mode 100644
index 0000000000..4642027dce
--- /dev/null
+++ b/gl/tests/test-errno.c
@@ -0,0 +1,117 @@
+/* Test of <errno.h> substitute.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2008. */
+
+#include <config.h>
+
+#include <errno.h>
+
+/* Verify that the POSIX mandated errno values exist and can be used as
+ initializers outside of a function.
+ The variable names happen to match the Linux/x86 error numbers. */
+int e1 = EPERM;
+int e2 = ENOENT;
+int e3 = ESRCH;
+int e4 = EINTR;
+int e5 = EIO;
+int e6 = ENXIO;
+int e7 = E2BIG;
+int e8 = ENOEXEC;
+int e9 = EBADF;
+int e10 = ECHILD;
+int e11 = EAGAIN;
+int e11a = EWOULDBLOCK;
+int e12 = ENOMEM;
+int e13 = EACCES;
+int e14 = EFAULT;
+int e16 = EBUSY;
+int e17 = EEXIST;
+int e18 = EXDEV;
+int e19 = ENODEV;
+int e20 = ENOTDIR;
+int e21 = EISDIR;
+int e22 = EINVAL;
+int e23 = ENFILE;
+int e24 = EMFILE;
+int e25 = ENOTTY;
+int e26 = ETXTBSY;
+int e27 = EFBIG;
+int e28 = ENOSPC;
+int e29 = ESPIPE;
+int e30 = EROFS;
+int e31 = EMLINK;
+int e32 = EPIPE;
+int e33 = EDOM;
+int e34 = ERANGE;
+int e35 = EDEADLK;
+int e36 = ENAMETOOLONG;
+int e37 = ENOLCK;
+int e38 = ENOSYS;
+int e39 = ENOTEMPTY;
+int e40 = ELOOP;
+int e42 = ENOMSG;
+int e43 = EIDRM;
+int e67 = ENOLINK;
+int e71 = EPROTO;
+int e72 = EMULTIHOP;
+int e74 = EBADMSG;
+int e75 = EOVERFLOW;
+int e84 = EILSEQ;
+int e88 = ENOTSOCK;
+int e89 = EDESTADDRREQ;
+int e90 = EMSGSIZE;
+int e91 = EPROTOTYPE;
+int e92 = ENOPROTOOPT;
+int e93 = EPROTONOSUPPORT;
+int e95 = EOPNOTSUPP;
+int e95a = ENOTSUP;
+int e97 = EAFNOSUPPORT;
+int e98 = EADDRINUSE;
+int e99 = EADDRNOTAVAIL;
+int e100 = ENETDOWN;
+int e101 = ENETUNREACH;
+int e102 = ENETRESET;
+int e103 = ECONNABORTED;
+int e104 = ECONNRESET;
+int e105 = ENOBUFS;
+int e106 = EISCONN;
+int e107 = ENOTCONN;
+int e110 = ETIMEDOUT;
+int e111 = ECONNREFUSED;
+int e113 = EHOSTUNREACH;
+int e114 = EALREADY;
+int e115 = EINPROGRESS;
+int e116 = ESTALE;
+int e122 = EDQUOT;
+int e125 = ECANCELED;
+
+/* Don't verify that these errno values are all different, except for possibly
+ EWOULDBLOCK == EAGAIN. Even Linux/x86 does not pass this check: it has
+ ENOTSUP == EOPNOTSUPP. */
+
+int
+main ()
+{
+ /* Verify that errno can be assigned. */
+ errno = EOVERFLOW;
+
+ /* snprintf() callers want to distinguish EINVAL and EOVERFLOW. */
+ if (errno == EINVAL)
+ return 1;
+
+ return 0;
+}
diff --git a/gl/tests/test-fseeko.c b/gl/tests/test-fseeko.c
new file mode 100644
index 0000000000..3a1383b3d3
--- /dev/null
+++ b/gl/tests/test-fseeko.c
@@ -0,0 +1,65 @@
+/* Test of fseeko() function.
+ Copyright (C) 2007, 2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+int
+main (int argc, char **argv)
+{
+ /* Assume stdin is non-empty, seekable, and starts with '#!/bin/sh'
+ iff argc > 1. */
+ int expected = argc > 1 ? 0 : -1;
+ /* Exit with success only if fseek/fseeko agree. */
+ int r1 = fseeko (stdin, 0, SEEK_CUR);
+ int r2 = fseek (stdin, 0, SEEK_CUR);
+ ASSERT (r1 == r2 && r1 == expected);
+ if (argc > 1)
+ {
+ /* Test that fseek discards previously read ungetc data. */
+ int ch = fgetc (stdin);
+ ASSERT (ch == '#');
+ ASSERT (ungetc (ch, stdin) == ch);
+ ASSERT (fseeko (stdin, 2, SEEK_SET) == 0);
+ /* Test that fseek discards random ungetc data. */
+ ch = fgetc (stdin);
+ ASSERT (ch == '/');
+ ASSERT (ungetc (ch ^ 0xff, stdin) == (ch ^ 0xff));
+ ASSERT (fseeko (stdin, 0, SEEK_END) == 0);
+ ASSERT (fgetc (stdin) == EOF);
+ /* Test that fseek resets end-of-file marker. */
+ ASSERT (feof (stdin));
+ ASSERT (fseeko (stdin, 0, SEEK_END) == 0);
+ ASSERT (!feof (stdin));
+ }
+ return 0;
+}
diff --git a/gl/tests/test-fseeko.sh b/gl/tests/test-fseeko.sh
new file mode 100755
index 0000000000..5c558272cb
--- /dev/null
+++ b/gl/tests/test-fseeko.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+./test-fseeko${EXEEXT} 1 < "$srcdir/test-fseeko.sh" || exit 1
+echo hi | ./test-fseeko${EXEEXT} || exit 1
+exit 0
diff --git a/gl/tests/test-lseek.c b/gl/tests/test-lseek.c
new file mode 100644
index 0000000000..ebba02ec6d
--- /dev/null
+++ b/gl/tests/test-lseek.c
@@ -0,0 +1,103 @@
+/* Test of lseek() function.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Eric Blake, 2007. */
+
+#include <config.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <unistd.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+/* ARGC must be 2; *ARGV[1] is '0' if stdin and stdout are files, '1'
+ if they are pipes, and '2' if they are closed. Check for proper
+ semantics of lseek. */
+int
+main (int argc, char **argv)
+{
+ if (argc != 2)
+ return 2;
+ switch (*argv[1])
+ {
+ case '0': /* regular files */
+ ASSERT (lseek (0, (off_t)2, SEEK_SET) == 2);
+ ASSERT (lseek (0, (off_t)-4, SEEK_CUR) == -1);
+ ASSERT (errno == EINVAL);
+ errno = 0;
+#if ! defined __BEOS__
+ /* POSIX says that the last lseek call, when failing, does not change
+ the current offset. But BeOS sets it to 0. */
+ ASSERT (lseek (0, (off_t)0, SEEK_CUR) == 2);
+#endif
+#if 0 /* leads to SIGSYS on IRIX 6.5 */
+ ASSERT (lseek (0, (off_t)0, (SEEK_SET | SEEK_CUR | SEEK_END) + 1) == -1);
+ ASSERT (errno == EINVAL);
+#endif
+ ASSERT (lseek (1, (off_t)2, SEEK_SET) == 2);
+ errno = 0;
+ ASSERT (lseek (1, (off_t)-4, SEEK_CUR) == -1);
+ ASSERT (errno == EINVAL);
+ errno = 0;
+#if ! defined __BEOS__
+ /* POSIX says that the last lseek call, when failing, does not change
+ the current offset. But BeOS sets it to 0. */
+ ASSERT (lseek (1, (off_t)0, SEEK_CUR) == 2);
+#endif
+#if 0 /* leads to SIGSYS on IRIX 6.5 */
+ ASSERT (lseek (1, (off_t)0, (SEEK_SET | SEEK_CUR | SEEK_END) + 1) == -1);
+ ASSERT (errno == EINVAL);
+#endif
+ break;
+
+ case '1': /* pipes */
+ errno = 0;
+ ASSERT (lseek (0, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == ESPIPE);
+ errno = 0;
+ ASSERT (lseek (1, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == ESPIPE);
+ break;
+
+ case '2': /* closed */
+ /* Explicitly close file descriptors 0 and 1. The <&- and >&- in the
+ invoking shell are not enough on HP-UX. */
+ close (0);
+ close (1);
+ errno = 0;
+ ASSERT (lseek (0, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == EBADF);
+ errno = 0;
+ ASSERT (lseek (1, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == EBADF);
+ break;
+
+ default:
+ return 1;
+ }
+ return 0;
+}
diff --git a/gl/tests/test-lseek.sh b/gl/tests/test-lseek.sh
new file mode 100755
index 0000000000..e84c2bb493
--- /dev/null
+++ b/gl/tests/test-lseek.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+tmpfiles=
+trap 'rm -fr $tmpfiles' 1 2 3 15
+
+tmpfiles=t-lseek.tmp
+# seekable files
+./test-lseek${EXEEXT} 0 < "$srcdir/test-lseek.sh" > t-lseek.tmp || exit 1
+
+# pipes
+echo hi | ./test-lseek${EXEEXT} 1 | cat || exit 1
+
+# closed descriptors
+./test-lseek${EXEEXT} 2 <&- >&- || exit 1
+
+rm -rf $tmpfiles
+exit 0
diff --git a/gl/tests/test-snprintf.c b/gl/tests/test-snprintf.c
new file mode 100644
index 0000000000..790c999649
--- /dev/null
+++ b/gl/tests/test-snprintf.c
@@ -0,0 +1,72 @@
+/* Test of snprintf() function.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+int
+main (int argc, char *argv[])
+{
+ char buf[8];
+ int size;
+ int retval;
+
+ for (size = 0; size <= 8; size++)
+ {
+ memcpy (buf, "DEADBEEF", 8);
+ retval = snprintf (buf, size, "%d", 12345);
+ if (size < 6)
+ {
+#if CHECK_SNPRINTF_POSIX
+ ASSERT (retval < 0 || retval >= size);
+#endif
+ if (size > 0)
+ {
+ ASSERT (memcmp (buf, "12345", size - 1) == 0);
+ ASSERT (buf[size - 1] == '\0' || buf[size - 1] == '0' + size);
+ }
+#if !CHECK_SNPRINTF_POSIX
+ if (size > 0)
+#endif
+ ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
+ }
+ else
+ {
+ ASSERT (retval == 5);
+ ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
+ }
+ }
+
+ return 0;
+}
diff --git a/gl/tests/test-stdbool.c b/gl/tests/test-stdbool.c
new file mode 100644
index 0000000000..30d53217a5
--- /dev/null
+++ b/gl/tests/test-stdbool.c
@@ -0,0 +1,95 @@
+/* Test of <stdbool.h> substitute.
+ Copyright (C) 2002-2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <stdbool.h>
+
+#ifndef bool
+ "error: bool is not defined"
+#endif
+#ifndef false
+ "error: false is not defined"
+#endif
+#if false
+ "error: false is not 0"
+#endif
+#ifndef true
+ "error: true is not defined"
+#endif
+#if true != 1
+ "error: true is not 1"
+#endif
+#ifndef __bool_true_false_are_defined
+ "error: __bool_true_false_are_defined is not defined"
+#endif
+
+#if 0 /* Cannot be guaranteed with gnulib's <stdbool.h>. */
+struct s { _Bool s: 1; _Bool t; } s;
+#endif
+
+char a[true == 1 ? 1 : -1];
+char b[false == 0 ? 1 : -1];
+char c[__bool_true_false_are_defined == 1 ? 1 : -1];
+#if 0 /* Cannot be guaranteed with gnulib's <stdbool.h>. */
+char d[(bool) 0.5 == true ? 1 : -1];
+bool e = &s;
+#endif
+char f[(_Bool) 0.0 == false ? 1 : -1];
+char g[true];
+char h[sizeof (_Bool)];
+#if 0 /* See above. */
+char i[sizeof s.t];
+#endif
+enum { j = false, k = true, l = false * true, m = true * 256 };
+_Bool n[m];
+char o[sizeof n == m * sizeof n[0] ? 1 : -1];
+char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
+#if 0 /* Cannot be guaranteed with gnulib's <stdbool.h>. */
+#if defined __xlc__ || defined __GNUC__
+ /* Catch a bug in IBM AIX xlc compiler version 6.0.0.0
+ reported by James Lemley on 2005-10-05; see
+ http://lists.gnu.org/archive/html/bug-coreutils/2005-10/msg00086.html
+ This test is not quite right, since xlc is allowed to
+ reject this program, as the initializer for xlcbug is
+ not one of the forms that C requires support for.
+ However, doing the test right would require a run-time
+ test, and that would make cross-compilation harder.
+ Let us hope that IBM fixes the xlc bug, and also adds
+ support for this kind of constant expression. In the
+ meantime, this test will reject xlc, which is OK, since
+ our stdbool.h substitute should suffice. We also test
+ this with GCC, where it should work, to detect more
+ quickly whether someone messes up the test in the
+ future. */
+ char digs[] = "0123456789";
+ int xlcbug = 1 / (&(digs + 5)[-2 + (bool) 1] == &digs[4] ? 1 : -1);
+#endif
+#endif
+/* Catch a bug in an HP-UX C compiler. See
+ http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+ http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+ */
+_Bool q = true;
+_Bool *pq = &q;
+
+int
+main ()
+{
+ return 0;
+}
diff --git a/gl/tests/test-stdint.c b/gl/tests/test-stdint.c
new file mode 100644
index 0000000000..a2bf42ac89
--- /dev/null
+++ b/gl/tests/test-stdint.c
@@ -0,0 +1,360 @@
+/* Test of <stdint.h> substitute.
+ Copyright (C) 2006-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2006. */
+
+#include <config.h>
+
+/* Whether to enable pedantic checks. */
+#define DO_PEDANTIC 0
+
+#define __STDC_LIMIT_MACROS 1 /* to make it work also in C++ mode */
+#include <stdint.h>
+
+#include "verify.h"
+#include "intprops.h"
+
+#if __GNUC__ >= 2 && DO_PEDANTIC
+# define verify_same_types(expr1,expr2) \
+ extern void _verify_func(__LINE__) (__typeof__ (expr1) *); \
+ extern void _verify_func(__LINE__) (__typeof__ (expr2) *);
+# define _verify_func(line) _verify_func2(line)
+# define _verify_func2(line) verify_func_ ## line
+#else
+# define verify_same_types(expr1,expr2) extern void verify_func (int)
+#endif
+
+/* 7.18.1.1. Exact-width integer types */
+/* 7.18.2.1. Limits of exact-width integer types */
+
+int8_t a1[3] = { INT8_C (17), INT8_MIN, INT8_MAX };
+verify (TYPE_MINIMUM (int8_t) == INT8_MIN);
+verify (TYPE_MAXIMUM (int8_t) == INT8_MAX);
+verify_same_types (INT8_MIN, (int8_t) 0 + 0);
+verify_same_types (INT8_MAX, (int8_t) 0 + 0);
+
+int16_t a2[3] = { INT16_C (17), INT16_MIN, INT16_MAX };
+verify (TYPE_MINIMUM (int16_t) == INT16_MIN);
+verify (TYPE_MAXIMUM (int16_t) == INT16_MAX);
+verify_same_types (INT16_MIN, (int16_t) 0 + 0);
+verify_same_types (INT16_MAX, (int16_t) 0 + 0);
+
+int32_t a3[3] = { INT32_C (17), INT32_MIN, INT32_MAX };
+verify (TYPE_MINIMUM (int32_t) == INT32_MIN);
+verify (TYPE_MAXIMUM (int32_t) == INT32_MAX);
+verify_same_types (INT32_MIN, (int32_t) 0 + 0);
+verify_same_types (INT32_MAX, (int32_t) 0 + 0);
+
+#ifdef INT64_MAX
+int64_t a4[3] = { INT64_C (17), INT64_MIN, INT64_MAX };
+verify (TYPE_MINIMUM (int64_t) == INT64_MIN);
+verify (TYPE_MAXIMUM (int64_t) == INT64_MAX);
+verify_same_types (INT64_MIN, (int64_t) 0 + 0);
+verify_same_types (INT64_MAX, (int64_t) 0 + 0);
+#endif
+
+uint8_t b1[2] = { UINT8_C (17), UINT8_MAX };
+verify (TYPE_MAXIMUM (uint8_t) == UINT8_MAX);
+verify_same_types (UINT8_MAX, (uint8_t) 0 + 0);
+
+uint16_t b2[2] = { UINT16_C (17), UINT16_MAX };
+verify (TYPE_MAXIMUM (uint16_t) == UINT16_MAX);
+verify_same_types (UINT16_MAX, (uint16_t) 0 + 0);
+
+uint32_t b3[2] = { UINT32_C (17), UINT32_MAX };
+verify (TYPE_MAXIMUM (uint32_t) == UINT32_MAX);
+verify_same_types (UINT32_MAX, (uint32_t) 0 + 0);
+
+#ifdef UINT64_MAX
+uint64_t b4[2] = { UINT64_C (17), UINT64_MAX };
+verify (TYPE_MAXIMUM (uint64_t) == UINT64_MAX);
+verify_same_types (UINT64_MAX, (uint64_t) 0 + 0);
+#endif
+
+#if INT8_MIN && INT8_MAX && INT16_MIN && INT16_MAX && INT32_MIN && INT32_MAX
+/* ok */
+#else
+err or;
+#endif
+
+#if UINT8_MAX && UINT16_MAX && UINT32_MAX
+/* ok */
+#else
+err or;
+#endif
+
+/* 7.18.1.2. Minimum-width integer types */
+/* 7.18.2.2. Limits of minimum-width integer types */
+
+int_least8_t c1[3] = { 17, INT_LEAST8_MIN, INT_LEAST8_MAX };
+verify (TYPE_MINIMUM (int_least8_t) == INT_LEAST8_MIN);
+verify (TYPE_MAXIMUM (int_least8_t) == INT_LEAST8_MAX);
+verify_same_types (INT_LEAST8_MIN, (int_least8_t) 0 + 0);
+verify_same_types (INT_LEAST8_MAX, (int_least8_t) 0 + 0);
+
+int_least16_t c2[3] = { 17, INT_LEAST16_MIN, INT_LEAST16_MAX };
+verify (TYPE_MINIMUM (int_least16_t) == INT_LEAST16_MIN);
+verify (TYPE_MAXIMUM (int_least16_t) == INT_LEAST16_MAX);
+verify_same_types (INT_LEAST16_MIN, (int_least16_t) 0 + 0);
+verify_same_types (INT_LEAST16_MAX, (int_least16_t) 0 + 0);
+
+int_least32_t c3[3] = { 17, INT_LEAST32_MIN, INT_LEAST32_MAX };
+verify (TYPE_MINIMUM (int_least32_t) == INT_LEAST32_MIN);
+verify (TYPE_MAXIMUM (int_least32_t) == INT_LEAST32_MAX);
+verify_same_types (INT_LEAST32_MIN, (int_least32_t) 0 + 0);
+verify_same_types (INT_LEAST32_MAX, (int_least32_t) 0 + 0);
+
+#ifdef INT_LEAST64_MAX
+int_least64_t c4[3] = { 17, INT_LEAST64_MIN, INT_LEAST64_MAX };
+verify (TYPE_MINIMUM (int_least64_t) == INT_LEAST64_MIN);
+verify (TYPE_MAXIMUM (int_least64_t) == INT_LEAST64_MAX);
+verify_same_types (INT_LEAST64_MIN, (int_least64_t) 0 + 0);
+verify_same_types (INT_LEAST64_MAX, (int_least64_t) 0 + 0);
+#endif
+
+uint_least8_t d1[2] = { 17, UINT_LEAST8_MAX };
+verify (TYPE_MAXIMUM (uint_least8_t) == UINT_LEAST8_MAX);
+verify_same_types (UINT_LEAST8_MAX, (uint_least8_t) 0 + 0);
+
+uint_least16_t d2[2] = { 17, UINT_LEAST16_MAX };
+verify (TYPE_MAXIMUM (uint_least16_t) == UINT_LEAST16_MAX);
+verify_same_types (UINT_LEAST16_MAX, (uint_least16_t) 0 + 0);
+
+uint_least32_t d3[2] = { 17, UINT_LEAST32_MAX };
+verify (TYPE_MAXIMUM (uint_least32_t) == UINT_LEAST32_MAX);
+verify_same_types (UINT_LEAST32_MAX, (uint_least32_t) 0 + 0);
+
+#ifdef UINT_LEAST64_MAX
+uint_least64_t d4[2] = { 17, UINT_LEAST64_MAX };
+verify (TYPE_MAXIMUM (uint_least64_t) == UINT_LEAST64_MAX);
+verify_same_types (UINT_LEAST64_MAX, (uint_least64_t) 0 + 0);
+#endif
+
+#if INT_LEAST8_MIN && INT_LEAST8_MAX && INT_LEAST16_MIN && INT_LEAST16_MAX && INT_LEAST32_MIN && INT_LEAST32_MAX
+/* ok */
+#else
+err or;
+#endif
+
+#if UINT_LEAST8_MAX && UINT_LEAST16_MAX && UINT_LEAST32_MAX
+/* ok */
+#else
+err or;
+#endif
+
+/* 7.18.1.3. Fastest minimum-width integer types */
+/* 7.18.2.3. Limits of fastest minimum-width integer types */
+
+int_fast8_t e1[3] = { 17, INT_FAST8_MIN, INT_FAST8_MAX };
+verify (TYPE_MINIMUM (int_fast8_t) == INT_FAST8_MIN);
+verify (TYPE_MAXIMUM (int_fast8_t) == INT_FAST8_MAX);
+verify_same_types (INT_FAST8_MIN, (int_fast8_t) 0 + 0);
+verify_same_types (INT_FAST8_MAX, (int_fast8_t) 0 + 0);
+
+int_fast16_t e2[3] = { 17, INT_FAST16_MIN, INT_FAST16_MAX };
+verify (TYPE_MINIMUM (int_fast16_t) == INT_FAST16_MIN);
+verify (TYPE_MAXIMUM (int_fast16_t) == INT_FAST16_MAX);
+verify_same_types (INT_FAST16_MIN, (int_fast16_t) 0 + 0);
+verify_same_types (INT_FAST16_MAX, (int_fast16_t) 0 + 0);
+
+int_fast32_t e3[3] = { 17, INT_FAST32_MIN, INT_FAST32_MAX };
+verify (TYPE_MINIMUM (int_fast32_t) == INT_FAST32_MIN);
+verify (TYPE_MAXIMUM (int_fast32_t) == INT_FAST32_MAX);
+verify_same_types (INT_FAST32_MIN, (int_fast32_t) 0 + 0);
+verify_same_types (INT_FAST32_MAX, (int_fast32_t) 0 + 0);
+
+#ifdef INT_FAST64_MAX
+int_fast64_t e4[3] = { 17, INT_FAST64_MIN, INT_FAST64_MAX };
+verify (TYPE_MINIMUM (int_fast64_t) == INT_FAST64_MIN);
+verify (TYPE_MAXIMUM (int_fast64_t) == INT_FAST64_MAX);
+verify_same_types (INT_FAST64_MIN, (int_fast64_t) 0 + 0);
+verify_same_types (INT_FAST64_MAX, (int_fast64_t) 0 + 0);
+#endif
+
+uint_fast8_t f1[2] = { 17, UINT_FAST8_MAX };
+verify (TYPE_MAXIMUM (uint_fast8_t) == UINT_FAST8_MAX);
+verify_same_types (UINT_FAST8_MAX, (uint_fast8_t) 0 + 0);
+
+uint_fast16_t f2[2] = { 17, UINT_FAST16_MAX };
+verify (TYPE_MAXIMUM (uint_fast16_t) == UINT_FAST16_MAX);
+verify_same_types (UINT_FAST16_MAX, (uint_fast16_t) 0 + 0);
+
+uint_fast32_t f3[2] = { 17, UINT_FAST32_MAX };
+verify (TYPE_MAXIMUM (uint_fast32_t) == UINT_FAST32_MAX);
+verify_same_types (UINT_FAST32_MAX, (uint_fast32_t) 0 + 0);
+
+#ifdef UINT_FAST64_MAX
+uint_fast64_t f4[2] = { 17, UINT_FAST64_MAX };
+verify (TYPE_MAXIMUM (uint_fast64_t) == UINT_FAST64_MAX);
+verify_same_types (UINT_FAST64_MAX, (uint_fast64_t) 0 + 0);
+#endif
+
+#if INT_FAST8_MIN && INT_FAST8_MAX && INT_FAST16_MIN && INT_FAST16_MAX && INT_FAST32_MIN && INT_FAST32_MAX
+/* ok */
+#else
+err or;
+#endif
+
+#if UINT_FAST8_MAX && UINT_FAST16_MAX && UINT_FAST32_MAX
+/* ok */
+#else
+err or;
+#endif
+
+/* 7.18.1.4. Integer types capable of holding object pointers */
+/* 7.18.2.4. Limits of integer types capable of holding object pointers */
+
+intptr_t g[3] = { 17, INTPTR_MIN, INTPTR_MAX };
+verify (TYPE_MINIMUM (intptr_t) == INTPTR_MIN);
+verify (TYPE_MAXIMUM (intptr_t) == INTPTR_MAX);
+verify_same_types (INTPTR_MIN, (intptr_t) 0 + 0);
+verify_same_types (INTPTR_MAX, (intptr_t) 0 + 0);
+
+uintptr_t h[2] = { 17, UINTPTR_MAX };
+verify (TYPE_MAXIMUM (uintptr_t) == UINTPTR_MAX);
+verify_same_types (UINTPTR_MAX, (uintptr_t) 0 + 0);
+
+#if INTPTR_MIN && INTPTR_MAX && UINTPTR_MAX
+/* ok */
+#else
+err or;
+#endif
+
+/* 7.18.1.5. Greatest-width integer types */
+/* 7.18.2.5. Limits of greatest-width integer types */
+
+intmax_t i[3] = { INTMAX_C (17), INTMAX_MIN, INTMAX_MAX };
+verify (TYPE_MINIMUM (intmax_t) == INTMAX_MIN);
+verify (TYPE_MAXIMUM (intmax_t) == INTMAX_MAX);
+verify_same_types (INTMAX_MIN, (intmax_t) 0 + 0);
+verify_same_types (INTMAX_MAX, (intmax_t) 0 + 0);
+
+uintmax_t j[2] = { UINTMAX_C (17), UINTMAX_MAX };
+verify (TYPE_MAXIMUM (uintmax_t) == UINTMAX_MAX);
+verify_same_types (UINTMAX_MAX, (uintmax_t) 0 + 0);
+
+/* As of 2007, Sun C and HP-UX 10.20 cc don't support 'long long' constants in
+ the preprocessor. */
+#if !(defined __SUNPRO_C || (defined __hpux && !defined __GNUC__))
+#if INTMAX_MIN && INTMAX_MAX && UINTMAX_MAX
+/* ok */
+#else
+err or;
+#endif
+#endif
+
+/* 7.18.3. Limits of other integer types */
+
+#include <stddef.h>
+
+verify (TYPE_MINIMUM (ptrdiff_t) == PTRDIFF_MIN);
+verify (TYPE_MAXIMUM (ptrdiff_t) == PTRDIFF_MAX);
+verify_same_types (PTRDIFF_MIN, (ptrdiff_t) 0 + 0);
+verify_same_types (PTRDIFF_MAX, (ptrdiff_t) 0 + 0);
+
+#if PTRDIFF_MIN && PTRDIFF_MAX
+/* ok */
+#else
+err or;
+#endif
+
+#include <signal.h>
+
+verify (TYPE_MINIMUM (sig_atomic_t) == SIG_ATOMIC_MIN);
+verify (TYPE_MAXIMUM (sig_atomic_t) == SIG_ATOMIC_MAX);
+verify_same_types (SIG_ATOMIC_MIN, (sig_atomic_t) 0 + 0);
+verify_same_types (SIG_ATOMIC_MAX, (sig_atomic_t) 0 + 0);
+
+#if SIG_ATOMIC_MIN != 17 && SIG_ATOMIC_MAX
+/* ok */
+#else
+err or;
+#endif
+
+verify (TYPE_MAXIMUM (size_t) == SIZE_MAX);
+verify_same_types (SIZE_MAX, (size_t) 0 + 0);
+
+#if SIZE_MAX
+/* ok */
+#else
+err or;
+#endif
+
+#if HAVE_WCHAR_T
+verify (TYPE_MINIMUM (wchar_t) == WCHAR_MIN);
+verify (TYPE_MAXIMUM (wchar_t) == WCHAR_MAX);
+verify_same_types (WCHAR_MIN, (wchar_t) 0 + 0);
+verify_same_types (WCHAR_MAX, (wchar_t) 0 + 0);
+
+# if WCHAR_MIN != 17 && WCHAR_MAX
+/* ok */
+# else
+err or;
+# endif
+#endif
+
+#if HAVE_WINT_T
+# include <wchar.h>
+
+verify (TYPE_MINIMUM (wint_t) == WINT_MIN);
+verify (TYPE_MAXIMUM (wint_t) == WINT_MAX);
+verify_same_types (WINT_MIN, (wint_t) 0 + 0);
+verify_same_types (WINT_MAX, (wint_t) 0 + 0);
+
+# if WINT_MIN != 17 && WINT_MAX
+/* ok */
+# else
+err or;
+# endif
+#endif
+
+/* 7.18.4. Macros for integer constants */
+
+verify (INT8_C (17) == 17);
+verify_same_types (INT8_C (17), (int_least8_t)0 + 0);
+verify (UINT8_C (17) == 17);
+verify_same_types (UINT8_C (17), (uint_least8_t)0 + 0);
+
+verify (INT16_C (17) == 17);
+verify_same_types (INT16_C (17), (int_least16_t)0 + 0);
+verify (UINT16_C (17) == 17);
+verify_same_types (UINT16_C (17), (uint_least16_t)0 + 0);
+
+verify (INT32_C (17) == 17);
+verify_same_types (INT32_C (17), (int_least32_t)0 + 0);
+verify (UINT32_C (17) == 17);
+verify_same_types (UINT32_C (17), (uint_least32_t)0 + 0);
+
+#ifdef INT64_C
+verify (INT64_C (17) == 17);
+verify_same_types (INT64_C (17), (int_least64_t)0 + 0);
+#endif
+#ifdef UINT64_C
+verify (UINT64_C (17) == 17);
+verify_same_types (UINT64_C (17), (uint_least64_t)0 + 0);
+#endif
+
+verify (INTMAX_C (17) == 17);
+verify_same_types (INTMAX_C (17), (intmax_t)0 + 0);
+verify (UINTMAX_C (17) == 17);
+verify_same_types (UINTMAX_C (17), (uintmax_t)0 + 0);
+
+
+int
+main ()
+{
+ return 0;
+}
diff --git a/gl/tests/test-stdio.c b/gl/tests/test-stdio.c
new file mode 100644
index 0000000000..a5efa320ba
--- /dev/null
+++ b/gl/tests/test-stdio.c
@@ -0,0 +1,30 @@
+/* Test of <stdio.h> substitute.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <stdio.h>
+
+/* Check that the various SEEK_* macros are defined. */
+int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+
+int
+main ()
+{
+ return 0;
+}
diff --git a/gl/tests/test-stdlib.c b/gl/tests/test-stdlib.c
new file mode 100644
index 0000000000..e103d46b20
--- /dev/null
+++ b/gl/tests/test-stdlib.c
@@ -0,0 +1,37 @@
+/* Test of <stdlib.h> substitute.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+int exitcode;
+
+int
+main ()
+{
+ /* Check that some macros are defined and different integer constants. */
+ switch (exitcode)
+ {
+ case EXIT_SUCCESS:
+ case EXIT_FAILURE:
+ break;
+ }
+
+ return 0;
+}
diff --git a/gl/tests/test-string.c b/gl/tests/test-string.c
new file mode 100644
index 0000000000..68014f54c8
--- /dev/null
+++ b/gl/tests/test-string.c
@@ -0,0 +1,27 @@
+/* Test of <string.h> substitute.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <string.h>
+
+int
+main ()
+{
+ return 0;
+}
diff --git a/gl/tests/test-sys_socket.c b/gl/tests/test-sys_socket.c
new file mode 100644
index 0000000000..b7395b3c5b
--- /dev/null
+++ b/gl/tests/test-sys_socket.c
@@ -0,0 +1,47 @@
+/* Test of <sys/socket.h> substitute.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <sys/socket.h>
+
+#include <errno.h>
+
+#if HAVE_SHUTDOWN
+/* Check some integer constant expressions. */
+int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
+#endif
+
+int
+main ()
+{
+ /* Check some errno values. */
+ switch (0)
+ {
+ case ENOTSOCK:
+ case EADDRINUSE:
+ case ENETRESET:
+ case ECONNABORTED:
+ case ECONNRESET:
+ case ENOTCONN:
+ case ESHUTDOWN:
+ break;
+ }
+
+ return 0;
+}
diff --git a/gl/tests/test-unistd.c b/gl/tests/test-unistd.c
new file mode 100644
index 0000000000..dc15bda0df
--- /dev/null
+++ b/gl/tests/test-unistd.c
@@ -0,0 +1,44 @@
+/* Test of <unistd.h> substitute.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <unistd.h>
+
+/* Check that the various SEEK_* macros are defined. */
+int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
+
+/* Check that the types are all defined. */
+size_t t1;
+ssize_t t2;
+#ifdef TODO /* Not implemented in gnulib yet */
+uid_t t3;
+gid_t t4;
+#endif
+off_t t5;
+pid_t t6;
+#ifdef TODO
+useconds_t t7;
+intptr_t t8;
+#endif
+
+int
+main ()
+{
+ return 0;
+}
diff --git a/gl/tests/test-vasnprintf.c b/gl/tests/test-vasnprintf.c
new file mode 100644
index 0000000000..2f3f8900d7
--- /dev/null
+++ b/gl/tests/test-vasnprintf.c
@@ -0,0 +1,128 @@
+/* Test of vasnprintf() and asnprintf() functions.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include "vasnprintf.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+static char *
+my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
+{
+ va_list args;
+ char *ret;
+
+ va_start (args, format);
+ ret = vasnprintf (resultbuf, lengthp, format, args);
+ va_end (args);
+ return ret;
+}
+
+static void
+test_vasnprintf ()
+{
+ char buf[8];
+ int size;
+
+ for (size = 0; size <= 8; size++)
+ {
+ size_t length = size;
+ char *result = my_asnprintf (NULL, &length, "%d", 12345);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "12345") == 0);
+ ASSERT (length == 5);
+ free (result);
+ }
+
+ for (size = 0; size <= 8; size++)
+ {
+ size_t length;
+ char *result;
+
+ memcpy (buf, "DEADBEEF", 8);
+ length = size;
+ result = my_asnprintf (buf, &length, "%d", 12345);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "12345") == 0);
+ ASSERT (length == 5);
+ if (size < 6)
+ ASSERT (result != buf);
+ ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
+ if (result != buf)
+ free (result);
+ }
+}
+
+static void
+test_asnprintf ()
+{
+ char buf[8];
+ int size;
+
+ for (size = 0; size <= 8; size++)
+ {
+ size_t length = size;
+ char *result = asnprintf (NULL, &length, "%d", 12345);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "12345") == 0);
+ ASSERT (length == 5);
+ free (result);
+ }
+
+ for (size = 0; size <= 8; size++)
+ {
+ size_t length;
+ char *result;
+
+ memcpy (buf, "DEADBEEF", 8);
+ length = size;
+ result = asnprintf (buf, &length, "%d", 12345);
+ ASSERT (result != NULL);
+ ASSERT (strcmp (result, "12345") == 0);
+ ASSERT (length == 5);
+ if (size < 6)
+ ASSERT (result != buf);
+ ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
+ if (result != buf)
+ free (result);
+ }
+}
+
+int
+main (int argc, char *argv[])
+{
+ test_vasnprintf ();
+ test_asnprintf ();
+ return 0;
+}
diff --git a/gl/tests/test-wchar.c b/gl/tests/test-wchar.c
new file mode 100644
index 0000000000..19da7d93c0
--- /dev/null
+++ b/gl/tests/test-wchar.c
@@ -0,0 +1,31 @@
+/* Test of <wchar.h> substitute.
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#include <config.h>
+
+#include <wchar.h>
+
+/* Check that the types wchar_t and wint_t are defined. */
+wchar_t a = 'c';
+wint_t b = 'x';
+
+int
+main ()
+{
+ return 0;
+}
diff --git a/gl/tests/verify.h b/gl/tests/verify.h
new file mode 100644
index 0000000000..fac53f6fc4
--- /dev/null
+++ b/gl/tests/verify.h
@@ -0,0 +1,140 @@
+/* Compile-time assert-like macros.
+
+ Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Paul Eggert, Bruno Haible, and Jim Meyering. */
+
+#ifndef VERIFY_H
+# define VERIFY_H 1
+
+/* Each of these macros verifies that its argument R is nonzero. To
+ be portable, R should be an integer constant expression. Unlike
+ assert (R), there is no run-time overhead.
+
+ There are two macros, since no single macro can be used in all
+ contexts in C. verify_true (R) is for scalar contexts, including
+ integer constant expression contexts. verify (R) is for declaration
+ contexts, e.g., the top level.
+
+ Symbols ending in "__" are private to this header.
+
+ The code below uses several ideas.
+
+ * The first step is ((R) ? 1 : -1). Given an expression R, of
+ integral or boolean or floating-point type, this yields an
+ expression of integral type, whose value is later verified to be
+ constant and nonnegative.
+
+ * Next this expression W is wrapped in a type
+ struct verify_type__ { unsigned int verify_error_if_negative_size__: W; }.
+ If W is negative, this yields a compile-time error. No compiler can
+ deal with a bit-field of negative size.
+
+ One might think that an array size check would have the same
+ effect, that is, that the type struct { unsigned int dummy[W]; }
+ would work as well. However, inside a function, some compilers
+ (such as C++ compilers and GNU C) allow local parameters and
+ variables inside array size expressions. With these compilers,
+ an array size check would not properly diagnose this misuse of
+ the verify macro:
+
+ void function (int n) { verify (n < 0); }
+
+ * For the verify macro, the struct verify_type__ will need to
+ somehow be embedded into a declaration. To be portable, this
+ declaration must declare an object, a constant, a function, or a
+ typedef name. If the declared entity uses the type directly,
+ such as in
+
+ struct dummy {...};
+ typedef struct {...} dummy;
+ extern struct {...} *dummy;
+ extern void dummy (struct {...} *);
+ extern struct {...} *dummy (void);
+
+ two uses of the verify macro would yield colliding declarations
+ if the entity names are not disambiguated. A workaround is to
+ attach the current line number to the entity name:
+
+ #define GL_CONCAT0(x, y) x##y
+ #define GL_CONCAT(x, y) GL_CONCAT0 (x, y)
+ extern struct {...} * GL_CONCAT(dummy,__LINE__);
+
+ But this has the problem that two invocations of verify from
+ within the same macro would collide, since the __LINE__ value
+ would be the same for both invocations.
+
+ A solution is to use the sizeof operator. It yields a number,
+ getting rid of the identity of the type. Declarations like
+
+ extern int dummy [sizeof (struct {...})];
+ extern void dummy (int [sizeof (struct {...})]);
+ extern int (*dummy (void)) [sizeof (struct {...})];
+
+ can be repeated.
+
+ * Should the implementation use a named struct or an unnamed struct?
+ Which of the following alternatives can be used?
+
+ extern int dummy [sizeof (struct {...})];
+ extern int dummy [sizeof (struct verify_type__ {...})];
+ extern void dummy (int [sizeof (struct {...})]);
+ extern void dummy (int [sizeof (struct verify_type__ {...})]);
+ extern int (*dummy (void)) [sizeof (struct {...})];
+ extern int (*dummy (void)) [sizeof (struct verify_type__ {...})];
+
+ In the second and sixth case, the struct type is exported to the
+ outer scope; two such declarations therefore collide. GCC warns
+ about the first, third, and fourth cases. So the only remaining
+ possibility is the fifth case:
+
+ extern int (*dummy (void)) [sizeof (struct {...})];
+
+ * This implementation exploits the fact that GCC does not warn about
+ the last declaration mentioned above. If a future version of GCC
+ introduces a warning for this, the problem could be worked around
+ by using code specialized to GCC, e.g.,:
+
+ #if 4 <= __GNUC__
+ # define verify(R) \
+ extern int (* verify_function__ (void)) \
+ [__builtin_constant_p (R) && (R) ? 1 : -1]
+ #endif
+
+ * In C++, any struct definition inside sizeof is invalid.
+ Use a template type to work around the problem. */
+
+
+/* Verify requirement R at compile-time, as an integer constant expression.
+ Return 1. */
+
+# ifdef __cplusplus
+template <int w>
+ struct verify_type__ { unsigned int verify_error_if_negative_size__: w; };
+# define verify_true(R) \
+ (!!sizeof (verify_type__<(R) ? 1 : -1>))
+# else
+# define verify_true(R) \
+ (!!sizeof \
+ (struct { unsigned int verify_error_if_negative_size__: (R) ? 1 : -1; }))
+# endif
+
+/* Verify requirement R at compile-time, as a declaration without a
+ trailing ';'. */
+
+# define verify(R) extern int (* verify_function__ (void)) [verify_true (R)]
+
+#endif
diff --git a/gl/unistd.in.h b/gl/unistd.in.h
new file mode 100644
index 0000000000..a919936a0e
--- /dev/null
+++ b/gl/unistd.in.h
@@ -0,0 +1,553 @@
+/* Substitute for and wrapper around <unistd.h>.
+ Copyright (C) 2003-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _GL_UNISTD_H
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+/* The include_next requires a split double-inclusion guard. */
+#if @HAVE_UNISTD_H@
+# @INCLUDE_NEXT@ @NEXT_UNISTD_H@
+#endif
+
+#ifndef _GL_UNISTD_H
+#define _GL_UNISTD_H
+
+/* mingw doesn't define the SEEK_* macros in <unistd.h>. */
+#if !(defined SEEK_CUR && defined SEEK_END && defined SEEK_SET)
+# include <stdio.h>
+#endif
+
+/* mingw fails to declare _exit in <unistd.h>. */
+#include <stdlib.h>
+
+#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
+/* Get ssize_t. */
+# include <sys/types.h>
+#endif
+
+#if @GNULIB_GETHOSTNAME@
+/* Get all possible declarations of gethostname(). */
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+# include <winsock2.h>
+# if !defined _GL_SYS_SOCKET_H
+# undef socket
+# define socket socket_used_without_including_sys_socket_h
+# undef connect
+# define connect connect_used_without_including_sys_socket_h
+# undef accept
+# define accept accept_used_without_including_sys_socket_h
+# undef bind
+# define bind bind_used_without_including_sys_socket_h
+# undef getpeername
+# define getpeername getpeername_used_without_including_sys_socket_h
+# undef getsockname
+# define getsockname getsockname_used_without_including_sys_socket_h
+# undef getsockopt
+# define getsockopt getsockopt_used_without_including_sys_socket_h
+# undef listen
+# define listen listen_used_without_including_sys_socket_h
+# undef recv
+# define recv recv_used_without_including_sys_socket_h
+# undef send
+# define send send_used_without_including_sys_socket_h
+# undef recvfrom
+# define recvfrom recvfrom_used_without_including_sys_socket_h
+# undef sendto
+# define sendto sendto_used_without_including_sys_socket_h
+# undef setsockopt
+# define setsockopt setsockopt_used_without_including_sys_socket_h
+# undef shutdown
+# define shutdown shutdown_used_without_including_sys_socket_h
+# endif
+# if !defined _GL_SYS_SELECT_H
+# undef select
+# define select select_used_without_including_sys_select_h
+# endif
+# endif
+#endif
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+
+/* Declare overridden functions. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#if @GNULIB_CHOWN@
+# if @REPLACE_CHOWN@
+# ifndef REPLACE_CHOWN
+# define REPLACE_CHOWN 1
+# endif
+# if REPLACE_CHOWN
+/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
+ to GID (if GID is not -1). Follow symbolic links.
+ Return 0 if successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/chown.html>. */
+# define chown rpl_chown
+extern int chown (const char *file, uid_t uid, gid_t gid);
+# endif
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef chown
+# define chown(f,u,g) \
+ (GL_LINK_WARNING ("chown fails to follow symlinks on some systems and " \
+ "doesn't treat a uid or gid of -1 on some systems - " \
+ "use gnulib module chown for portability"), \
+ chown (f, u, g))
+#endif
+
+
+#if @GNULIB_CLOSE@
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+/* Need a gnulib internal function. */
+# define HAVE__GL_CLOSE_FD_MAYBE_SOCKET 1
+# endif
+# if @REPLACE_CLOSE@
+/* Automatically included by modules that need a replacement for close. */
+# undef close
+# define close rpl_close
+extern int close (int);
+# endif
+#elif @UNISTD_H_HAVE_WINSOCK2_H@
+# undef close
+# define close close_used_without_requesting_gnulib_module_close
+#elif defined GNULIB_POSIXCHECK
+# undef close
+# define close(f) \
+ (GL_LINK_WARNING ("close does not portably work on sockets - " \
+ "use gnulib module close for portability"), \
+ close (f))
+#endif
+
+
+#if @GNULIB_DUP2@
+# if !@HAVE_DUP2@
+/* Copy the file descriptor OLDFD into file descriptor NEWFD. Do nothing if
+ NEWFD = OLDFD, otherwise close NEWFD first if it is open.
+ Return 0 if successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/dup2.html>. */
+extern int dup2 (int oldfd, int newfd);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef dup2
+# define dup2(o,n) \
+ (GL_LINK_WARNING ("dup2 is unportable - " \
+ "use gnulib module dup2 for portability"), \
+ dup2 (o, n))
+#endif
+
+
+#if @GNULIB_ENVIRON@
+# if !@HAVE_DECL_ENVIRON@
+/* Set of environment variables and values. An array of strings of the form
+ "VARIABLE=VALUE", terminated with a NULL. */
+# if defined __APPLE__ && defined __MACH__
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron ())
+# else
+extern char **environ;
+# endif
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef environ
+# define environ \
+ (GL_LINK_WARNING ("environ is unportable - " \
+ "use gnulib module environ for portability"), \
+ environ)
+#endif
+
+
+#if @GNULIB_EUIDACCESS@
+# if !@HAVE_EUIDACCESS@
+/* Like access(), except that is uses the effective user id and group id of
+ the current process. */
+extern int euidaccess (const char *filename, int mode);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef euidaccess
+# define euidaccess(f,m) \
+ (GL_LINK_WARNING ("euidaccess is unportable - " \
+ "use gnulib module euidaccess for portability"), \
+ euidaccess (f, m))
+#endif
+
+
+#if @GNULIB_FCHDIR@
+# if @REPLACE_FCHDIR@
+
+/* Change the process' current working directory to the directory on which
+ the given file descriptor is open.
+ Return 0 if successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/fchdir.html>. */
+extern int fchdir (int /*fd*/);
+
+# define dup rpl_dup
+extern int dup (int);
+# define dup2 rpl_dup2
+extern int dup2 (int, int);
+
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fchdir
+# define fchdir(f) \
+ (GL_LINK_WARNING ("fchdir is unportable - " \
+ "use gnulib module fchdir for portability"), \
+ fchdir (f))
+#endif
+
+
+#if @GNULIB_FSYNC@
+/* Synchronize changes to a file.
+ Return 0 if successful, otherwise -1 and errno set.
+ See POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/fsync.html>. */
+# if !@HAVE_FSYNC@
+extern int fsync (int fd);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef fsync
+# define fsync(fd) \
+ (GL_LINK_WARNING ("fsync is unportable - " \
+ "use gnulib module fsync for portability"), \
+ fsync (fd))
+#endif
+
+
+#if @GNULIB_FTRUNCATE@
+# if !@HAVE_FTRUNCATE@
+/* Change the size of the file to which FD is opened to become equal to LENGTH.
+ Return 0 if successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/ftruncate.html>. */
+extern int ftruncate (int fd, off_t length);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef ftruncate
+# define ftruncate(f,l) \
+ (GL_LINK_WARNING ("ftruncate is unportable - " \
+ "use gnulib module ftruncate for portability"), \
+ ftruncate (f, l))
+#endif
+
+
+#if @GNULIB_GETCWD@
+/* Include the headers that might declare getcwd so that they will not
+ cause confusion if included after this file. */
+# include <stdlib.h>
+# if @REPLACE_GETCWD@
+/* Get the name of the current working directory, and put it in SIZE bytes
+ of BUF.
+ Return BUF if successful, or NULL if the directory couldn't be determined
+ or SIZE was too small.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/getcwd.html>.
+ Additionally, the gnulib module 'getcwd' guarantees the following GNU
+ extension: If BUF is NULL, an array is allocated with 'malloc'; the array
+ is SIZE bytes long, unless SIZE == 0, in which case it is as big as
+ necessary. */
+# define getcwd rpl_getcwd
+extern char * getcwd (char *buf, size_t size);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getcwd
+# define getcwd(b,s) \
+ (GL_LINK_WARNING ("getcwd is unportable - " \
+ "use gnulib module getcwd for portability"), \
+ getcwd (b, s))
+#endif
+
+
+#if @GNULIB_GETDOMAINNAME@
+/* Return the NIS domain name of the machine.
+ WARNING! The NIS domain name is unrelated to the fully qualified host name
+ of the machine. It is also unrelated to email addresses.
+ WARNING! The NIS domain name is usually the empty string or "(none)" when
+ not using NIS.
+
+ Put up to LEN bytes of the NIS domain name into NAME.
+ Null terminate it if the name is shorter than LEN.
+ If the NIS domain name is longer than LEN, set errno = EINVAL and return -1.
+ Return 0 if successful, otherwise set errno and return -1. */
+# if !@HAVE_GETDOMAINNAME@
+extern int getdomainname(char *name, size_t len);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getdomainname
+# define getdomainname(n,l) \
+ (GL_LINK_WARNING ("getdomainname is unportable - " \
+ "use gnulib module getdomainname for portability"), \
+ getdomainname (n, l))
+#endif
+
+
+#if @GNULIB_GETDTABLESIZE@
+# if !@HAVE_GETDTABLESIZE@
+/* Return the maximum number of file descriptors in the current process. */
+extern int getdtablesize (void);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getdtablesize
+# define getdtablesize() \
+ (GL_LINK_WARNING ("getdtablesize is unportable - " \
+ "use gnulib module getdtablesize for portability"), \
+ getdtablesize ())
+#endif
+
+
+#if @GNULIB_GETHOSTNAME@
+/* Return the standard host name of the machine.
+ WARNING! The host name may or may not be fully qualified.
+
+ Put up to LEN bytes of the host name into NAME.
+ Null terminate it if the name is shorter than LEN.
+ If the host name is longer than LEN, set errno = EINVAL and return -1.
+ Return 0 if successful, otherwise set errno and return -1. */
+# if @UNISTD_H_HAVE_WINSOCK2_H@
+# undef gethostname
+# define gethostname rpl_gethostname
+# endif
+# if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@
+extern int gethostname(char *name, size_t len);
+# endif
+#elif @UNISTD_H_HAVE_WINSOCK2_H@
+# undef gethostname
+# define gethostname gethostname_used_without_requesting_gnulib_module_gethostname
+#elif defined GNULIB_POSIXCHECK
+# undef gethostname
+# define gethostname(n,l) \
+ (GL_LINK_WARNING ("gethostname is unportable - " \
+ "use gnulib module gethostname for portability"), \
+ gethostname (n, l))
+#endif
+
+
+#if @GNULIB_GETLOGIN_R@
+/* Copies the user's login name to NAME.
+ The array pointed to by NAME has room for SIZE bytes.
+
+ Returns 0 if successful. Upon error, an error number is returned, or -1 in
+ the case that the login name cannot be found but no specific error is
+ provided (this case is hopefully rare but is left open by the POSIX spec).
+
+ See <http://www.opengroup.org/susv3xsh/getlogin.html>.
+ */
+# if !@HAVE_DECL_GETLOGIN_R@
+# include <stddef.h>
+extern int getlogin_r (char *name, size_t size);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getlogin_r
+# define getlogin_r(n,s) \
+ (GL_LINK_WARNING ("getlogin_r is unportable - " \
+ "use gnulib module getlogin_r for portability"), \
+ getlogin_r (n, s))
+#endif
+
+
+#if @GNULIB_GETPAGESIZE@
+# if @REPLACE_GETPAGESIZE@
+# define getpagesize rpl_getpagesize
+extern int getpagesize (void);
+# elif !@HAVE_GETPAGESIZE@
+/* This is for POSIX systems. */
+# if !defined getpagesize && defined _SC_PAGESIZE
+# if ! (defined __VMS && __VMS_VER < 70000000)
+# define getpagesize() sysconf (_SC_PAGESIZE)
+# endif
+# endif
+/* This is for older VMS. */
+# if !defined getpagesize && defined __VMS
+# ifdef __ALPHA
+# define getpagesize() 8192
+# else
+# define getpagesize() 512
+# endif
+# endif
+/* This is for BeOS. */
+# if !defined getpagesize && @HAVE_OS_H@
+# include <OS.h>
+# if defined B_PAGE_SIZE
+# define getpagesize() B_PAGE_SIZE
+# endif
+# endif
+/* This is for AmigaOS4.0. */
+# if !defined getpagesize && defined __amigaos4__
+# define getpagesize() 2048
+# endif
+/* This is for older Unix systems. */
+# if !defined getpagesize && @HAVE_SYS_PARAM_H@
+# include <sys/param.h>
+# ifdef EXEC_PAGESIZE
+# define getpagesize() EXEC_PAGESIZE
+# else
+# ifdef NBPG
+# ifndef CLSIZE
+# define CLSIZE 1
+# endif
+# define getpagesize() (NBPG * CLSIZE)
+# else
+# ifdef NBPC
+# define getpagesize() NBPC
+# endif
+# endif
+# endif
+# endif
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getpagesize
+# define getpagesize() \
+ (GL_LINK_WARNING ("getpagesize is unportable - " \
+ "use gnulib module getpagesize for portability"), \
+ getpagesize ())
+#endif
+
+
+#if @GNULIB_GETUSERSHELL@
+# if !@HAVE_GETUSERSHELL@
+/* Return the next valid login shell on the system, or NULL when the end of
+ the list has been reached. */
+extern char *getusershell (void);
+/* Rewind to pointer that is advanced at each getusershell() call. */
+extern void setusershell (void);
+/* Free the pointer that is advanced at each getusershell() call and
+ associated resources. */
+extern void endusershell (void);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef getusershell
+# define getusershell() \
+ (GL_LINK_WARNING ("getusershell is unportable - " \
+ "use gnulib module getusershell for portability"), \
+ getusershell ())
+# undef setusershell
+# define setusershell() \
+ (GL_LINK_WARNING ("setusershell is unportable - " \
+ "use gnulib module getusershell for portability"), \
+ setusershell ())
+# undef endusershell
+# define endusershell() \
+ (GL_LINK_WARNING ("endusershell is unportable - " \
+ "use gnulib module getusershell for portability"), \
+ endusershell ())
+#endif
+
+
+#if @GNULIB_LCHOWN@
+# if @REPLACE_LCHOWN@
+/* Change the owner of FILE to UID (if UID is not -1) and the group of FILE
+ to GID (if GID is not -1). Do not follow symbolic links.
+ Return 0 if successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/lchown.html>. */
+# define lchown rpl_lchown
+extern int lchown (char const *file, uid_t owner, gid_t group);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef lchown
+# define lchown(f,u,g) \
+ (GL_LINK_WARNING ("lchown is unportable to pre-POSIX.1-2001 " \
+ "systems - use gnulib module lchown for portability"), \
+ lchown (f, u, g))
+#endif
+
+
+#if @GNULIB_LSEEK@
+# if @REPLACE_LSEEK@
+/* Set the offset of FD relative to SEEK_SET, SEEK_CUR, or SEEK_END.
+ Return the new offset if successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/lseek.html>. */
+# define lseek rpl_lseek
+ extern off_t lseek (int fd, off_t offset, int whence);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef lseek
+# define lseek(f,o,w) \
+ (GL_LINK_WARNING ("lseek does not fail with ESPIPE on pipes on some " \
+ "systems - use gnulib module lseek for portability"), \
+ lseek (f, o, w))
+#endif
+
+
+#if @GNULIB_READLINK@
+/* Read the contents of the symbolic link FILE and place the first BUFSIZE
+ bytes of it into BUF. Return the number of bytes placed into BUF if
+ successful, otherwise -1 and errno set.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/readlink.html>. */
+# if !@HAVE_READLINK@
+# include <stddef.h>
+extern int readlink (const char *file, char *buf, size_t bufsize);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef readlink
+# define readlink(f,b,s) \
+ (GL_LINK_WARNING ("readlink is unportable - " \
+ "use gnulib module readlink for portability"), \
+ readlink (f, b, s))
+#endif
+
+
+#if @GNULIB_SLEEP@
+/* Pause the execution of the current thread for N seconds.
+ Returns the number of seconds left to sleep.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/sleep.html>. */
+# if !@HAVE_SLEEP@
+extern unsigned int sleep (unsigned int n);
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef sleep
+# define sleep(n) \
+ (GL_LINK_WARNING ("sleep is unportable - " \
+ "use gnulib module sleep for portability"), \
+ sleep (n))
+#endif
+
+
+#if @GNULIB_WRITE@ && @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@
+/* Write up to COUNT bytes starting at BUF to file descriptor FD.
+ See the POSIX:2001 specification
+ <http://www.opengroup.org/susv3xsh/write.html>. */
+# undef write
+# define write rpl_write
+extern ssize_t write (int fd, const void *buf, size_t count);
+#endif
+
+
+#ifdef FCHDIR_REPLACEMENT
+/* gnulib internal function. */
+extern void _gl_unregister_fd (int fd);
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _GL_UNISTD_H */
+#endif /* _GL_UNISTD_H */
diff --git a/gl/vasnprintf.c b/gl/vasnprintf.c
new file mode 100644
index 0000000000..93aef6f291
--- /dev/null
+++ b/gl/vasnprintf.c
@@ -0,0 +1,4887 @@
+/* vsprintf with automatic memory allocation.
+ Copyright (C) 1999, 2002-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* This file can be parametrized with the following macros:
+ VASNPRINTF The name of the function being defined.
+ FCHAR_T The element type of the format string.
+ DCHAR_T The element type of the destination (result) string.
+ FCHAR_T_ONLY_ASCII Set to 1 to enable verification that all characters
+ in the format string are ASCII. MUST be set if
+ FCHAR_T and DCHAR_T are not the same type.
+ DIRECTIVE Structure denoting a format directive.
+ Depends on FCHAR_T.
+ DIRECTIVES Structure denoting the set of format directives of a
+ format string. Depends on FCHAR_T.
+ PRINTF_PARSE Function that parses a format string.
+ Depends on FCHAR_T.
+ DCHAR_CPY memcpy like function for DCHAR_T[] arrays.
+ DCHAR_SET memset like function for DCHAR_T[] arrays.
+ DCHAR_MBSNLEN mbsnlen like function for DCHAR_T[] arrays.
+ SNPRINTF The system's snprintf (or similar) function.
+ This may be either snprintf or swprintf.
+ TCHAR_T The element type of the argument and result string
+ of the said SNPRINTF function. This may be either
+ char or wchar_t. The code exploits that
+ sizeof (TCHAR_T) | sizeof (DCHAR_T) and
+ alignof (TCHAR_T) <= alignof (DCHAR_T).
+ DCHAR_IS_TCHAR Set to 1 if DCHAR_T and TCHAR_T are the same type.
+ DCHAR_CONV_FROM_ENCODING A function to convert from char[] to DCHAR[].
+ DCHAR_IS_UINT8_T Set to 1 if DCHAR_T is uint8_t.
+ DCHAR_IS_UINT16_T Set to 1 if DCHAR_T is uint16_t.
+ DCHAR_IS_UINT32_T Set to 1 if DCHAR_T is uint32_t. */
+
+/* Tell glibc's <stdio.h> to provide a prototype for snprintf().
+ This must come before <config.h> because <config.h> may include
+ <features.h>, and once <features.h> has been included, it's too late. */
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE 1
+#endif
+
+#ifndef VASNPRINTF
+# include <config.h>
+#endif
+#ifndef IN_LIBINTL
+# include <alloca.h>
+#endif
+
+/* Specification. */
+#ifndef VASNPRINTF
+# if WIDE_CHAR_VERSION
+# include "vasnwprintf.h"
+# else
+# include "vasnprintf.h"
+# endif
+#endif
+
+#include <locale.h> /* localeconv() */
+#include <stdio.h> /* snprintf(), sprintf() */
+#include <stdlib.h> /* abort(), malloc(), realloc(), free() */
+#include <string.h> /* memcpy(), strlen() */
+#include <errno.h> /* errno */
+#include <limits.h> /* CHAR_BIT */
+#include <float.h> /* DBL_MAX_EXP, LDBL_MAX_EXP */
+#if HAVE_NL_LANGINFO
+# include <langinfo.h>
+#endif
+#ifndef VASNPRINTF
+# if WIDE_CHAR_VERSION
+# include "wprintf-parse.h"
+# else
+# include "printf-parse.h"
+# endif
+#endif
+
+/* Checked size_t computations. */
+#include "xsize.h"
+
+#if (NEED_PRINTF_DOUBLE || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
+# include <math.h>
+# include "float+.h"
+#endif
+
+#if (NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL
+# include <math.h>
+# include "isnand-nolibm.h"
+#endif
+
+#if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE) && !defined IN_LIBINTL
+# include <math.h>
+# include "isnanl-nolibm.h"
+# include "fpucw.h"
+#endif
+
+#if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
+# include <math.h>
+# include "isnand-nolibm.h"
+# include "printf-frexp.h"
+#endif
+
+#if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
+# include <math.h>
+# include "isnanl-nolibm.h"
+# include "printf-frexpl.h"
+# include "fpucw.h"
+#endif
+
+#if HAVE_WCHAR_T
+# if HAVE_WCSLEN
+# define local_wcslen wcslen
+# else
+ /* Solaris 2.5.1 has wcslen() in a separate library libw.so. To avoid
+ a dependency towards this library, here is a local substitute.
+ Define this substitute only once, even if this file is included
+ twice in the same compilation unit. */
+# ifndef local_wcslen_defined
+# define local_wcslen_defined 1
+static size_t
+local_wcslen (const wchar_t *s)
+{
+ const wchar_t *ptr;
+
+ for (ptr = s; *ptr != (wchar_t) 0; ptr++)
+ ;
+ return ptr - s;
+}
+# endif
+# endif
+#endif
+
+/* Default parameters. */
+#ifndef VASNPRINTF
+# if WIDE_CHAR_VERSION
+# define VASNPRINTF vasnwprintf
+# define FCHAR_T wchar_t
+# define DCHAR_T wchar_t
+# define TCHAR_T wchar_t
+# define DCHAR_IS_TCHAR 1
+# define DIRECTIVE wchar_t_directive
+# define DIRECTIVES wchar_t_directives
+# define PRINTF_PARSE wprintf_parse
+# define DCHAR_CPY wmemcpy
+# else
+# define VASNPRINTF vasnprintf
+# define FCHAR_T char
+# define DCHAR_T char
+# define TCHAR_T char
+# define DCHAR_IS_TCHAR 1
+# define DIRECTIVE char_directive
+# define DIRECTIVES char_directives
+# define PRINTF_PARSE printf_parse
+# define DCHAR_CPY memcpy
+# endif
+#endif
+#if WIDE_CHAR_VERSION
+ /* TCHAR_T is wchar_t. */
+# define USE_SNPRINTF 1
+# if HAVE_DECL__SNWPRINTF
+ /* On Windows, the function swprintf() has a different signature than
+ on Unix; we use the _snwprintf() function instead. */
+# define SNPRINTF _snwprintf
+# else
+ /* Unix. */
+# define SNPRINTF swprintf
+# endif
+#else
+ /* TCHAR_T is char. */
+ /* Use snprintf if it exists under the name 'snprintf' or '_snprintf'.
+ But don't use it on BeOS, since BeOS snprintf produces no output if the
+ size argument is >= 0x3000000.
+ Also don't use it on Linux libc5, since there snprintf with size = 1
+ writes any output without bounds, like sprintf. */
+# if (HAVE_DECL__SNPRINTF || HAVE_SNPRINTF) && !defined __BEOS__ && !(__GNU_LIBRARY__ == 1)
+# define USE_SNPRINTF 1
+# else
+# define USE_SNPRINTF 0
+# endif
+# if HAVE_DECL__SNPRINTF
+ /* Windows. */
+# define SNPRINTF _snprintf
+# else
+ /* Unix. */
+# define SNPRINTF snprintf
+ /* Here we need to call the native snprintf, not rpl_snprintf. */
+# undef snprintf
+# endif
+#endif
+/* Here we need to call the native sprintf, not rpl_sprintf. */
+#undef sprintf
+
+/* GCC >= 4.0 with -Wall emits unjustified "... may be used uninitialized"
+ warnings in this file. Use -Dlint to suppress them. */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif
+
+/* Avoid some warnings from "gcc -Wshadow".
+ This file doesn't use the exp() and remainder() functions. */
+#undef exp
+#define exp expo
+#undef remainder
+#define remainder rem
+
+#if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && !defined IN_LIBINTL
+/* Determine the decimal-point character according to the current locale. */
+# ifndef decimal_point_char_defined
+# define decimal_point_char_defined 1
+static char
+decimal_point_char ()
+{
+ const char *point;
+ /* Determine it in a multithread-safe way. We know nl_langinfo is
+ multithread-safe on glibc systems, but is not required to be multithread-
+ safe by POSIX. sprintf(), however, is multithread-safe. localeconv()
+ is rarely multithread-safe. */
+# if HAVE_NL_LANGINFO && __GLIBC__
+ point = nl_langinfo (RADIXCHAR);
+# elif 1
+ char pointbuf[5];
+ sprintf (pointbuf, "%#.0f", 1.0);
+ point = &pointbuf[1];
+# else
+ point = localeconv () -> decimal_point;
+# endif
+ /* The decimal point is always a single byte: either '.' or ','. */
+ return (point[0] != '\0' ? point[0] : '.');
+}
+# endif
+#endif
+
+#if NEED_PRINTF_INFINITE_DOUBLE && !NEED_PRINTF_DOUBLE && !defined IN_LIBINTL
+
+/* Equivalent to !isfinite(x) || x == 0, but does not require libm. */
+static int
+is_infinite_or_zero (double x)
+{
+ return isnand (x) || x + x == x;
+}
+
+#endif
+
+#if NEED_PRINTF_INFINITE_LONG_DOUBLE && !NEED_PRINTF_LONG_DOUBLE && !defined IN_LIBINTL
+
+/* Equivalent to !isfinite(x) || x == 0, but does not require libm. */
+static int
+is_infinite_or_zerol (long double x)
+{
+ return isnanl (x) || x + x == x;
+}
+
+#endif
+
+#if (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
+
+/* Converting 'long double' to decimal without rare rounding bugs requires
+ real bignums. We use the naming conventions of GNU gmp, but vastly simpler
+ (and slower) algorithms. */
+
+typedef unsigned int mp_limb_t;
+# define GMP_LIMB_BITS 32
+typedef int mp_limb_verify[2 * (sizeof (mp_limb_t) * CHAR_BIT == GMP_LIMB_BITS) - 1];
+
+typedef unsigned long long mp_twolimb_t;
+# define GMP_TWOLIMB_BITS 64
+typedef int mp_twolimb_verify[2 * (sizeof (mp_twolimb_t) * CHAR_BIT == GMP_TWOLIMB_BITS) - 1];
+
+/* Representation of a bignum >= 0. */
+typedef struct
+{
+ size_t nlimbs;
+ mp_limb_t *limbs; /* Bits in little-endian order, allocated with malloc(). */
+} mpn_t;
+
+/* Compute the product of two bignums >= 0.
+ Return the allocated memory in case of success, NULL in case of memory
+ allocation failure. */
+static void *
+multiply (mpn_t src1, mpn_t src2, mpn_t *dest)
+{
+ const mp_limb_t *p1;
+ const mp_limb_t *p2;
+ size_t len1;
+ size_t len2;
+
+ if (src1.nlimbs <= src2.nlimbs)
+ {
+ len1 = src1.nlimbs;
+ p1 = src1.limbs;
+ len2 = src2.nlimbs;
+ p2 = src2.limbs;
+ }
+ else
+ {
+ len1 = src2.nlimbs;
+ p1 = src2.limbs;
+ len2 = src1.nlimbs;
+ p2 = src1.limbs;
+ }
+ /* Now 0 <= len1 <= len2. */
+ if (len1 == 0)
+ {
+ /* src1 or src2 is zero. */
+ dest->nlimbs = 0;
+ dest->limbs = (mp_limb_t *) malloc (1);
+ }
+ else
+ {
+ /* Here 1 <= len1 <= len2. */
+ size_t dlen;
+ mp_limb_t *dp;
+ size_t k, i, j;
+
+ dlen = len1 + len2;
+ dp = (mp_limb_t *) malloc (dlen * sizeof (mp_limb_t));
+ if (dp == NULL)
+ return NULL;
+ for (k = len2; k > 0; )
+ dp[--k] = 0;
+ for (i = 0; i < len1; i++)
+ {
+ mp_limb_t digit1 = p1[i];
+ mp_twolimb_t carry = 0;
+ for (j = 0; j < len2; j++)
+ {
+ mp_limb_t digit2 = p2[j];
+ carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
+ carry += dp[i + j];
+ dp[i + j] = (mp_limb_t) carry;
+ carry = carry >> GMP_LIMB_BITS;
+ }
+ dp[i + len2] = (mp_limb_t) carry;
+ }
+ /* Normalise. */
+ while (dlen > 0 && dp[dlen - 1] == 0)
+ dlen--;
+ dest->nlimbs = dlen;
+ dest->limbs = dp;
+ }
+ return dest->limbs;
+}
+
+/* Compute the quotient of a bignum a >= 0 and a bignum b > 0.
+ a is written as a = q * b + r with 0 <= r < b. q is the quotient, r
+ the remainder.
+ Finally, round-to-even is performed: If r > b/2 or if r = b/2 and q is odd,
+ q is incremented.
+ Return the allocated memory in case of success, NULL in case of memory
+ allocation failure. */
+static void *
+divide (mpn_t a, mpn_t b, mpn_t *q)
+{
+ /* Algorithm:
+ First normalise a and b: a=[a[m-1],...,a[0]], b=[b[n-1],...,b[0]]
+ with m>=0 and n>0 (in base beta = 2^GMP_LIMB_BITS).
+ If m<n, then q:=0 and r:=a.
+ If m>=n=1, perform a single-precision division:
+ r:=0, j:=m,
+ while j>0 do
+ {Here (q[m-1]*beta^(m-1)+...+q[j]*beta^j) * b[0] + r*beta^j =
+ = a[m-1]*beta^(m-1)+...+a[j]*beta^j und 0<=r<b[0]<beta}
+ j:=j-1, r:=r*beta+a[j], q[j]:=floor(r/b[0]), r:=r-b[0]*q[j].
+ Normalise [q[m-1],...,q[0]], yields q.
+ If m>=n>1, perform a multiple-precision division:
+ We have a/b < beta^(m-n+1).
+ s:=intDsize-1-(hightest bit in b[n-1]), 0<=s<intDsize.
+ Shift a and b left by s bits, copying them. r:=a.
+ r=[r[m],...,r[0]], b=[b[n-1],...,b[0]] with b[n-1]>=beta/2.
+ For j=m-n,...,0: {Here 0 <= r < b*beta^(j+1).}
+ Compute q* :
+ q* := floor((r[j+n]*beta+r[j+n-1])/b[n-1]).
+ In case of overflow (q* >= beta) set q* := beta-1.
+ Compute c2 := ((r[j+n]*beta+r[j+n-1]) - q* * b[n-1])*beta + r[j+n-2]
+ and c3 := b[n-2] * q*.
+ {We have 0 <= c2 < 2*beta^2, even 0 <= c2 < beta^2 if no overflow
+ occurred. Furthermore 0 <= c3 < beta^2.
+ If there was overflow and
+ r[j+n]*beta+r[j+n-1] - q* * b[n-1] >= beta, i.e. c2 >= beta^2,
+ the next test can be skipped.}
+ While c3 > c2, {Here 0 <= c2 < c3 < beta^2}
+ Put q* := q* - 1, c2 := c2 + b[n-1]*beta, c3 := c3 - b[n-2].
+ If q* > 0:
+ Put r := r - b * q* * beta^j. In detail:
+ [r[n+j],...,r[j]] := [r[n+j],...,r[j]] - q* * [b[n-1],...,b[0]].
+ hence: u:=0, for i:=0 to n-1 do
+ u := u + q* * b[i],
+ r[j+i]:=r[j+i]-(u mod beta) (+ beta, if carry),
+ u:=u div beta (+ 1, if carry in subtraction)
+ r[n+j]:=r[n+j]-u.
+ {Since always u = (q* * [b[i-1],...,b[0]] div beta^i) + 1
+ < q* + 1 <= beta,
+ the carry u does not overflow.}
+ If a negative carry occurs, put q* := q* - 1
+ and [r[n+j],...,r[j]] := [r[n+j],...,r[j]] + [0,b[n-1],...,b[0]].
+ Set q[j] := q*.
+ Normalise [q[m-n],..,q[0]]; this yields the quotient q.
+ Shift [r[n-1],...,r[0]] right by s bits and normalise; this yields the
+ rest r.
+ The room for q[j] can be allocated at the memory location of r[n+j].
+ Finally, round-to-even:
+ Shift r left by 1 bit.
+ If r > b or if r = b and q[0] is odd, q := q+1.
+ */
+ const mp_limb_t *a_ptr = a.limbs;
+ size_t a_len = a.nlimbs;
+ const mp_limb_t *b_ptr = b.limbs;
+ size_t b_len = b.nlimbs;
+ mp_limb_t *roomptr;
+ mp_limb_t *tmp_roomptr = NULL;
+ mp_limb_t *q_ptr;
+ size_t q_len;
+ mp_limb_t *r_ptr;
+ size_t r_len;
+
+ /* Allocate room for a_len+2 digits.
+ (Need a_len+1 digits for the real division and 1 more digit for the
+ final rounding of q.) */
+ roomptr = (mp_limb_t *) malloc ((a_len + 2) * sizeof (mp_limb_t));
+ if (roomptr == NULL)
+ return NULL;
+
+ /* Normalise a. */
+ while (a_len > 0 && a_ptr[a_len - 1] == 0)
+ a_len--;
+
+ /* Normalise b. */
+ for (;;)
+ {
+ if (b_len == 0)
+ /* Division by zero. */
+ abort ();
+ if (b_ptr[b_len - 1] == 0)
+ b_len--;
+ else
+ break;
+ }
+
+ /* Here m = a_len >= 0 and n = b_len > 0. */
+
+ if (a_len < b_len)
+ {
+ /* m<n: trivial case. q=0, r := copy of a. */
+ r_ptr = roomptr;
+ r_len = a_len;
+ memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t));
+ q_ptr = roomptr + a_len;
+ q_len = 0;
+ }
+ else if (b_len == 1)
+ {
+ /* n=1: single precision division.
+ beta^(m-1) <= a < beta^m ==> beta^(m-2) <= a/b < beta^m */
+ r_ptr = roomptr;
+ q_ptr = roomptr + 1;
+ {
+ mp_limb_t den = b_ptr[0];
+ mp_limb_t remainder = 0;
+ const mp_limb_t *sourceptr = a_ptr + a_len;
+ mp_limb_t *destptr = q_ptr + a_len;
+ size_t count;
+ for (count = a_len; count > 0; count--)
+ {
+ mp_twolimb_t num =
+ ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--sourceptr;
+ *--destptr = num / den;
+ remainder = num % den;
+ }
+ /* Normalise and store r. */
+ if (remainder > 0)
+ {
+ r_ptr[0] = remainder;
+ r_len = 1;
+ }
+ else
+ r_len = 0;
+ /* Normalise q. */
+ q_len = a_len;
+ if (q_ptr[q_len - 1] == 0)
+ q_len--;
+ }
+ }
+ else
+ {
+ /* n>1: multiple precision division.
+ beta^(m-1) <= a < beta^m, beta^(n-1) <= b < beta^n ==>
+ beta^(m-n-1) <= a/b < beta^(m-n+1). */
+ /* Determine s. */
+ size_t s;
+ {
+ mp_limb_t msd = b_ptr[b_len - 1]; /* = b[n-1], > 0 */
+ s = 31;
+ if (msd >= 0x10000)
+ {
+ msd = msd >> 16;
+ s -= 16;
+ }
+ if (msd >= 0x100)
+ {
+ msd = msd >> 8;
+ s -= 8;
+ }
+ if (msd >= 0x10)
+ {
+ msd = msd >> 4;
+ s -= 4;
+ }
+ if (msd >= 0x4)
+ {
+ msd = msd >> 2;
+ s -= 2;
+ }
+ if (msd >= 0x2)
+ {
+ msd = msd >> 1;
+ s -= 1;
+ }
+ }
+ /* 0 <= s < GMP_LIMB_BITS.
+ Copy b, shifting it left by s bits. */
+ if (s > 0)
+ {
+ tmp_roomptr = (mp_limb_t *) malloc (b_len * sizeof (mp_limb_t));
+ if (tmp_roomptr == NULL)
+ {
+ free (roomptr);
+ return NULL;
+ }
+ {
+ const mp_limb_t *sourceptr = b_ptr;
+ mp_limb_t *destptr = tmp_roomptr;
+ mp_twolimb_t accu = 0;
+ size_t count;
+ for (count = b_len; count > 0; count--)
+ {
+ accu += (mp_twolimb_t) *sourceptr++ << s;
+ *destptr++ = (mp_limb_t) accu;
+ accu = accu >> GMP_LIMB_BITS;
+ }
+ /* accu must be zero, since that was how s was determined. */
+ if (accu != 0)
+ abort ();
+ }
+ b_ptr = tmp_roomptr;
+ }
+ /* Copy a, shifting it left by s bits, yields r.
+ Memory layout:
+ At the beginning: r = roomptr[0..a_len],
+ at the end: r = roomptr[0..b_len-1], q = roomptr[b_len..a_len] */
+ r_ptr = roomptr;
+ if (s == 0)
+ {
+ memcpy (r_ptr, a_ptr, a_len * sizeof (mp_limb_t));
+ r_ptr[a_len] = 0;
+ }
+ else
+ {
+ const mp_limb_t *sourceptr = a_ptr;
+ mp_limb_t *destptr = r_ptr;
+ mp_twolimb_t accu = 0;
+ size_t count;
+ for (count = a_len; count > 0; count--)
+ {
+ accu += (mp_twolimb_t) *sourceptr++ << s;
+ *destptr++ = (mp_limb_t) accu;
+ accu = accu >> GMP_LIMB_BITS;
+ }
+ *destptr++ = (mp_limb_t) accu;
+ }
+ q_ptr = roomptr + b_len;
+ q_len = a_len - b_len + 1; /* q will have m-n+1 limbs */
+ {
+ size_t j = a_len - b_len; /* m-n */
+ mp_limb_t b_msd = b_ptr[b_len - 1]; /* b[n-1] */
+ mp_limb_t b_2msd = b_ptr[b_len - 2]; /* b[n-2] */
+ mp_twolimb_t b_msdd = /* b[n-1]*beta+b[n-2] */
+ ((mp_twolimb_t) b_msd << GMP_LIMB_BITS) | b_2msd;
+ /* Division loop, traversed m-n+1 times.
+ j counts down, b is unchanged, beta/2 <= b[n-1] < beta. */
+ for (;;)
+ {
+ mp_limb_t q_star;
+ mp_limb_t c1;
+ if (r_ptr[j + b_len] < b_msd) /* r[j+n] < b[n-1] ? */
+ {
+ /* Divide r[j+n]*beta+r[j+n-1] by b[n-1], no overflow. */
+ mp_twolimb_t num =
+ ((mp_twolimb_t) r_ptr[j + b_len] << GMP_LIMB_BITS)
+ | r_ptr[j + b_len - 1];
+ q_star = num / b_msd;
+ c1 = num % b_msd;
+ }
+ else
+ {
+ /* Overflow, hence r[j+n]*beta+r[j+n-1] >= beta*b[n-1]. */
+ q_star = (mp_limb_t)~(mp_limb_t)0; /* q* = beta-1 */
+ /* Test whether r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] >= beta
+ <==> r[j+n]*beta+r[j+n-1] + b[n-1] >= beta*b[n-1]+beta
+ <==> b[n-1] < floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta)
+ {<= beta !}.
+ If yes, jump directly to the subtraction loop.
+ (Otherwise, r[j+n]*beta+r[j+n-1] - (beta-1)*b[n-1] < beta
+ <==> floor((r[j+n]*beta+r[j+n-1]+b[n-1])/beta) = b[n-1] ) */
+ if (r_ptr[j + b_len] > b_msd
+ || (c1 = r_ptr[j + b_len - 1] + b_msd) < b_msd)
+ /* r[j+n] >= b[n-1]+1 or
+ r[j+n] = b[n-1] and the addition r[j+n-1]+b[n-1] gives a
+ carry. */
+ goto subtract;
+ }
+ /* q_star = q*,
+ c1 = (r[j+n]*beta+r[j+n-1]) - q* * b[n-1] (>=0, <beta). */
+ {
+ mp_twolimb_t c2 = /* c1*beta+r[j+n-2] */
+ ((mp_twolimb_t) c1 << GMP_LIMB_BITS) | r_ptr[j + b_len - 2];
+ mp_twolimb_t c3 = /* b[n-2] * q* */
+ (mp_twolimb_t) b_2msd * (mp_twolimb_t) q_star;
+ /* While c2 < c3, increase c2 and decrease c3.
+ Consider c3-c2. While it is > 0, decrease it by
+ b[n-1]*beta+b[n-2]. Because of b[n-1]*beta+b[n-2] >= beta^2/2
+ this can happen only twice. */
+ if (c3 > c2)
+ {
+ q_star = q_star - 1; /* q* := q* - 1 */
+ if (c3 - c2 > b_msdd)
+ q_star = q_star - 1; /* q* := q* - 1 */
+ }
+ }
+ if (q_star > 0)
+ subtract:
+ {
+ /* Subtract r := r - b * q* * beta^j. */
+ mp_limb_t cr;
+ {
+ const mp_limb_t *sourceptr = b_ptr;
+ mp_limb_t *destptr = r_ptr + j;
+ mp_twolimb_t carry = 0;
+ size_t count;
+ for (count = b_len; count > 0; count--)
+ {
+ /* Here 0 <= carry <= q*. */
+ carry =
+ carry
+ + (mp_twolimb_t) q_star * (mp_twolimb_t) *sourceptr++
+ + (mp_limb_t) ~(*destptr);
+ /* Here 0 <= carry <= beta*q* + beta-1. */
+ *destptr++ = ~(mp_limb_t) carry;
+ carry = carry >> GMP_LIMB_BITS; /* <= q* */
+ }
+ cr = (mp_limb_t) carry;
+ }
+ /* Subtract cr from r_ptr[j + b_len], then forget about
+ r_ptr[j + b_len]. */
+ if (cr > r_ptr[j + b_len])
+ {
+ /* Subtraction gave a carry. */
+ q_star = q_star - 1; /* q* := q* - 1 */
+ /* Add b back. */
+ {
+ const mp_limb_t *sourceptr = b_ptr;
+ mp_limb_t *destptr = r_ptr + j;
+ mp_limb_t carry = 0;
+ size_t count;
+ for (count = b_len; count > 0; count--)
+ {
+ mp_limb_t source1 = *sourceptr++;
+ mp_limb_t source2 = *destptr;
+ *destptr++ = source1 + source2 + carry;
+ carry =
+ (carry
+ ? source1 >= (mp_limb_t) ~source2
+ : source1 > (mp_limb_t) ~source2);
+ }
+ }
+ /* Forget about the carry and about r[j+n]. */
+ }
+ }
+ /* q* is determined. Store it as q[j]. */
+ q_ptr[j] = q_star;
+ if (j == 0)
+ break;
+ j--;
+ }
+ }
+ r_len = b_len;
+ /* Normalise q. */
+ if (q_ptr[q_len - 1] == 0)
+ q_len--;
+# if 0 /* Not needed here, since we need r only to compare it with b/2, and
+ b is shifted left by s bits. */
+ /* Shift r right by s bits. */
+ if (s > 0)
+ {
+ mp_limb_t ptr = r_ptr + r_len;
+ mp_twolimb_t accu = 0;
+ size_t count;
+ for (count = r_len; count > 0; count--)
+ {
+ accu = (mp_twolimb_t) (mp_limb_t) accu << GMP_LIMB_BITS;
+ accu += (mp_twolimb_t) *--ptr << (GMP_LIMB_BITS - s);
+ *ptr = (mp_limb_t) (accu >> GMP_LIMB_BITS);
+ }
+ }
+# endif
+ /* Normalise r. */
+ while (r_len > 0 && r_ptr[r_len - 1] == 0)
+ r_len--;
+ }
+ /* Compare r << 1 with b. */
+ if (r_len > b_len)
+ goto increment_q;
+ {
+ size_t i;
+ for (i = b_len;;)
+ {
+ mp_limb_t r_i =
+ (i <= r_len && i > 0 ? r_ptr[i - 1] >> (GMP_LIMB_BITS - 1) : 0)
+ | (i < r_len ? r_ptr[i] << 1 : 0);
+ mp_limb_t b_i = (i < b_len ? b_ptr[i] : 0);
+ if (r_i > b_i)
+ goto increment_q;
+ if (r_i < b_i)
+ goto keep_q;
+ if (i == 0)
+ break;
+ i--;
+ }
+ }
+ if (q_len > 0 && ((q_ptr[0] & 1) != 0))
+ /* q is odd. */
+ increment_q:
+ {
+ size_t i;
+ for (i = 0; i < q_len; i++)
+ if (++(q_ptr[i]) != 0)
+ goto keep_q;
+ q_ptr[q_len++] = 1;
+ }
+ keep_q:
+ if (tmp_roomptr != NULL)
+ free (tmp_roomptr);
+ q->limbs = q_ptr;
+ q->nlimbs = q_len;
+ return roomptr;
+}
+
+/* Convert a bignum a >= 0, multiplied with 10^extra_zeroes, to decimal
+ representation.
+ Destroys the contents of a.
+ Return the allocated memory - containing the decimal digits in low-to-high
+ order, terminated with a NUL character - in case of success, NULL in case
+ of memory allocation failure. */
+static char *
+convert_to_decimal (mpn_t a, size_t extra_zeroes)
+{
+ mp_limb_t *a_ptr = a.limbs;
+ size_t a_len = a.nlimbs;
+ /* 0.03345 is slightly larger than log(2)/(9*log(10)). */
+ size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1);
+ char *c_ptr = (char *) malloc (xsum (c_len, extra_zeroes));
+ if (c_ptr != NULL)
+ {
+ char *d_ptr = c_ptr;
+ for (; extra_zeroes > 0; extra_zeroes--)
+ *d_ptr++ = '0';
+ while (a_len > 0)
+ {
+ /* Divide a by 10^9, in-place. */
+ mp_limb_t remainder = 0;
+ mp_limb_t *ptr = a_ptr + a_len;
+ size_t count;
+ for (count = a_len; count > 0; count--)
+ {
+ mp_twolimb_t num =
+ ((mp_twolimb_t) remainder << GMP_LIMB_BITS) | *--ptr;
+ *ptr = num / 1000000000;
+ remainder = num % 1000000000;
+ }
+ /* Store the remainder as 9 decimal digits. */
+ for (count = 9; count > 0; count--)
+ {
+ *d_ptr++ = '0' + (remainder % 10);
+ remainder = remainder / 10;
+ }
+ /* Normalize a. */
+ if (a_ptr[a_len - 1] == 0)
+ a_len--;
+ }
+ /* Remove leading zeroes. */
+ while (d_ptr > c_ptr && d_ptr[-1] == '0')
+ d_ptr--;
+ /* But keep at least one zero. */
+ if (d_ptr == c_ptr)
+ *d_ptr++ = '0';
+ /* Terminate the string. */
+ *d_ptr = '\0';
+ }
+ return c_ptr;
+}
+
+# if NEED_PRINTF_LONG_DOUBLE
+
+/* Assuming x is finite and >= 0:
+ write x as x = 2^e * m, where m is a bignum.
+ Return the allocated memory in case of success, NULL in case of memory
+ allocation failure. */
+static void *
+decode_long_double (long double x, int *ep, mpn_t *mp)
+{
+ mpn_t m;
+ int exp;
+ long double y;
+ size_t i;
+
+ /* Allocate memory for result. */
+ m.nlimbs = (LDBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS;
+ m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t));
+ if (m.limbs == NULL)
+ return NULL;
+ /* Split into exponential part and mantissa. */
+ y = frexpl (x, &exp);
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ /* x = 2^exp * y = 2^(exp - LDBL_MANT_BIT) * (y * LDBL_MANT_BIT), and the
+ latter is an integer. */
+ /* Convert the mantissa (y * LDBL_MANT_BIT) to a sequence of limbs.
+ I'm not sure whether it's safe to cast a 'long double' value between
+ 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only
+ 'long double' values between 0 and 2^16 (to 'unsigned int' or 'int',
+ doesn't matter). */
+# if (LDBL_MANT_BIT % GMP_LIMB_BITS) != 0
+# if (LDBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2
+ {
+ mp_limb_t hi, lo;
+ y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % (GMP_LIMB_BITS / 2));
+ hi = (int) y;
+ y -= hi;
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
+ lo = (int) y;
+ y -= lo;
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo;
+ }
+# else
+ {
+ mp_limb_t d;
+ y *= (mp_limb_t) 1 << (LDBL_MANT_BIT % GMP_LIMB_BITS);
+ d = (int) y;
+ y -= d;
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ m.limbs[LDBL_MANT_BIT / GMP_LIMB_BITS] = d;
+ }
+# endif
+# endif
+ for (i = LDBL_MANT_BIT / GMP_LIMB_BITS; i > 0; )
+ {
+ mp_limb_t hi, lo;
+ y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
+ hi = (int) y;
+ y -= hi;
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
+ lo = (int) y;
+ y -= lo;
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo;
+ }
+#if 0 /* On FreeBSD 6.1/x86, 'long double' numbers sometimes have excess
+ precision. */
+ if (!(y == 0.0L))
+ abort ();
+#endif
+ /* Normalise. */
+ while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0)
+ m.nlimbs--;
+ *mp = m;
+ *ep = exp - LDBL_MANT_BIT;
+ return m.limbs;
+}
+
+# endif
+
+# if NEED_PRINTF_DOUBLE
+
+/* Assuming x is finite and >= 0:
+ write x as x = 2^e * m, where m is a bignum.
+ Return the allocated memory in case of success, NULL in case of memory
+ allocation failure. */
+static void *
+decode_double (double x, int *ep, mpn_t *mp)
+{
+ mpn_t m;
+ int exp;
+ double y;
+ size_t i;
+
+ /* Allocate memory for result. */
+ m.nlimbs = (DBL_MANT_BIT + GMP_LIMB_BITS - 1) / GMP_LIMB_BITS;
+ m.limbs = (mp_limb_t *) malloc (m.nlimbs * sizeof (mp_limb_t));
+ if (m.limbs == NULL)
+ return NULL;
+ /* Split into exponential part and mantissa. */
+ y = frexp (x, &exp);
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ /* x = 2^exp * y = 2^(exp - DBL_MANT_BIT) * (y * DBL_MANT_BIT), and the
+ latter is an integer. */
+ /* Convert the mantissa (y * DBL_MANT_BIT) to a sequence of limbs.
+ I'm not sure whether it's safe to cast a 'double' value between
+ 2^31 and 2^32 to 'unsigned int', therefore play safe and cast only
+ 'double' values between 0 and 2^16 (to 'unsigned int' or 'int',
+ doesn't matter). */
+# if (DBL_MANT_BIT % GMP_LIMB_BITS) != 0
+# if (DBL_MANT_BIT % GMP_LIMB_BITS) > GMP_LIMB_BITS / 2
+ {
+ mp_limb_t hi, lo;
+ y *= (mp_limb_t) 1 << (DBL_MANT_BIT % (GMP_LIMB_BITS / 2));
+ hi = (int) y;
+ y -= hi;
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
+ lo = (int) y;
+ y -= lo;
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = (hi << (GMP_LIMB_BITS / 2)) | lo;
+ }
+# else
+ {
+ mp_limb_t d;
+ y *= (mp_limb_t) 1 << (DBL_MANT_BIT % GMP_LIMB_BITS);
+ d = (int) y;
+ y -= d;
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ m.limbs[DBL_MANT_BIT / GMP_LIMB_BITS] = d;
+ }
+# endif
+# endif
+ for (i = DBL_MANT_BIT / GMP_LIMB_BITS; i > 0; )
+ {
+ mp_limb_t hi, lo;
+ y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
+ hi = (int) y;
+ y -= hi;
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ y *= (mp_limb_t) 1 << (GMP_LIMB_BITS / 2);
+ lo = (int) y;
+ y -= lo;
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ m.limbs[--i] = (hi << (GMP_LIMB_BITS / 2)) | lo;
+ }
+ if (!(y == 0.0))
+ abort ();
+ /* Normalise. */
+ while (m.nlimbs > 0 && m.limbs[m.nlimbs - 1] == 0)
+ m.nlimbs--;
+ *mp = m;
+ *ep = exp - DBL_MANT_BIT;
+ return m.limbs;
+}
+
+# endif
+
+/* Assuming x = 2^e * m is finite and >= 0, and n is an integer:
+ Returns the decimal representation of round (x * 10^n).
+ Return the allocated memory - containing the decimal digits in low-to-high
+ order, terminated with a NUL character - in case of success, NULL in case
+ of memory allocation failure. */
+static char *
+scale10_round_decimal_decoded (int e, mpn_t m, void *memory, int n)
+{
+ int s;
+ size_t extra_zeroes;
+ unsigned int abs_n;
+ unsigned int abs_s;
+ mp_limb_t *pow5_ptr;
+ size_t pow5_len;
+ unsigned int s_limbs;
+ unsigned int s_bits;
+ mpn_t pow5;
+ mpn_t z;
+ void *z_memory;
+ char *digits;
+
+ if (memory == NULL)
+ return NULL;
+ /* x = 2^e * m, hence
+ y = round (2^e * 10^n * m) = round (2^(e+n) * 5^n * m)
+ = round (2^s * 5^n * m). */
+ s = e + n;
+ extra_zeroes = 0;
+ /* Factor out a common power of 10 if possible. */
+ if (s > 0 && n > 0)
+ {
+ extra_zeroes = (s < n ? s : n);
+ s -= extra_zeroes;
+ n -= extra_zeroes;
+ }
+ /* Here y = round (2^s * 5^n * m) * 10^extra_zeroes.
+ Before converting to decimal, we need to compute
+ z = round (2^s * 5^n * m). */
+ /* Compute 5^|n|, possibly shifted by |s| bits if n and s have the same
+ sign. 2.322 is slightly larger than log(5)/log(2). */
+ abs_n = (n >= 0 ? n : -n);
+ abs_s = (s >= 0 ? s : -s);
+ pow5_ptr = (mp_limb_t *) malloc (((int)(abs_n * (2.322f / GMP_LIMB_BITS)) + 1
+ + abs_s / GMP_LIMB_BITS + 1)
+ * sizeof (mp_limb_t));
+ if (pow5_ptr == NULL)
+ {
+ free (memory);
+ return NULL;
+ }
+ /* Initialize with 1. */
+ pow5_ptr[0] = 1;
+ pow5_len = 1;
+ /* Multiply with 5^|n|. */
+ if (abs_n > 0)
+ {
+ static mp_limb_t const small_pow5[13 + 1] =
+ {
+ 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 9765625,
+ 48828125, 244140625, 1220703125
+ };
+ unsigned int n13;
+ for (n13 = 0; n13 <= abs_n; n13 += 13)
+ {
+ mp_limb_t digit1 = small_pow5[n13 + 13 <= abs_n ? 13 : abs_n - n13];
+ size_t j;
+ mp_twolimb_t carry = 0;
+ for (j = 0; j < pow5_len; j++)
+ {
+ mp_limb_t digit2 = pow5_ptr[j];
+ carry += (mp_twolimb_t) digit1 * (mp_twolimb_t) digit2;
+ pow5_ptr[j] = (mp_limb_t) carry;
+ carry = carry >> GMP_LIMB_BITS;
+ }
+ if (carry > 0)
+ pow5_ptr[pow5_len++] = (mp_limb_t) carry;
+ }
+ }
+ s_limbs = abs_s / GMP_LIMB_BITS;
+ s_bits = abs_s % GMP_LIMB_BITS;
+ if (n >= 0 ? s >= 0 : s <= 0)
+ {
+ /* Multiply with 2^|s|. */
+ if (s_bits > 0)
+ {
+ mp_limb_t *ptr = pow5_ptr;
+ mp_twolimb_t accu = 0;
+ size_t count;
+ for (count = pow5_len; count > 0; count--)
+ {
+ accu += (mp_twolimb_t) *ptr << s_bits;
+ *ptr++ = (mp_limb_t) accu;
+ accu = accu >> GMP_LIMB_BITS;
+ }
+ if (accu > 0)
+ {
+ *ptr = (mp_limb_t) accu;
+ pow5_len++;
+ }
+ }
+ if (s_limbs > 0)
+ {
+ size_t count;
+ for (count = pow5_len; count > 0;)
+ {
+ count--;
+ pow5_ptr[s_limbs + count] = pow5_ptr[count];
+ }
+ for (count = s_limbs; count > 0;)
+ {
+ count--;
+ pow5_ptr[count] = 0;
+ }
+ pow5_len += s_limbs;
+ }
+ pow5.limbs = pow5_ptr;
+ pow5.nlimbs = pow5_len;
+ if (n >= 0)
+ {
+ /* Multiply m with pow5. No division needed. */
+ z_memory = multiply (m, pow5, &z);
+ }
+ else
+ {
+ /* Divide m by pow5 and round. */
+ z_memory = divide (m, pow5, &z);
+ }
+ }
+ else
+ {
+ pow5.limbs = pow5_ptr;
+ pow5.nlimbs = pow5_len;
+ if (n >= 0)
+ {
+ /* n >= 0, s < 0.
+ Multiply m with pow5, then divide by 2^|s|. */
+ mpn_t numerator;
+ mpn_t denominator;
+ void *tmp_memory;
+ tmp_memory = multiply (m, pow5, &numerator);
+ if (tmp_memory == NULL)
+ {
+ free (pow5_ptr);
+ free (memory);
+ return NULL;
+ }
+ /* Construct 2^|s|. */
+ {
+ mp_limb_t *ptr = pow5_ptr + pow5_len;
+ size_t i;
+ for (i = 0; i < s_limbs; i++)
+ ptr[i] = 0;
+ ptr[s_limbs] = (mp_limb_t) 1 << s_bits;
+ denominator.limbs = ptr;
+ denominator.nlimbs = s_limbs + 1;
+ }
+ z_memory = divide (numerator, denominator, &z);
+ free (tmp_memory);
+ }
+ else
+ {
+ /* n < 0, s > 0.
+ Multiply m with 2^s, then divide by pow5. */
+ mpn_t numerator;
+ mp_limb_t *num_ptr;
+ num_ptr = (mp_limb_t *) malloc ((m.nlimbs + s_limbs + 1)
+ * sizeof (mp_limb_t));
+ if (num_ptr == NULL)
+ {
+ free (pow5_ptr);
+ free (memory);
+ return NULL;
+ }
+ {
+ mp_limb_t *destptr = num_ptr;
+ {
+ size_t i;
+ for (i = 0; i < s_limbs; i++)
+ *destptr++ = 0;
+ }
+ if (s_bits > 0)
+ {
+ const mp_limb_t *sourceptr = m.limbs;
+ mp_twolimb_t accu = 0;
+ size_t count;
+ for (count = m.nlimbs; count > 0; count--)
+ {
+ accu += (mp_twolimb_t) *sourceptr++ << s_bits;
+ *destptr++ = (mp_limb_t) accu;
+ accu = accu >> GMP_LIMB_BITS;
+ }
+ if (accu > 0)
+ *destptr++ = (mp_limb_t) accu;
+ }
+ else
+ {
+ const mp_limb_t *sourceptr = m.limbs;
+ size_t count;
+ for (count = m.nlimbs; count > 0; count--)
+ *destptr++ = *sourceptr++;
+ }
+ numerator.limbs = num_ptr;
+ numerator.nlimbs = destptr - num_ptr;
+ }
+ z_memory = divide (numerator, pow5, &z);
+ free (num_ptr);
+ }
+ }
+ free (pow5_ptr);
+ free (memory);
+
+ /* Here y = round (x * 10^n) = z * 10^extra_zeroes. */
+
+ if (z_memory == NULL)
+ return NULL;
+ digits = convert_to_decimal (z, extra_zeroes);
+ free (z_memory);
+ return digits;
+}
+
+# if NEED_PRINTF_LONG_DOUBLE
+
+/* Assuming x is finite and >= 0, and n is an integer:
+ Returns the decimal representation of round (x * 10^n).
+ Return the allocated memory - containing the decimal digits in low-to-high
+ order, terminated with a NUL character - in case of success, NULL in case
+ of memory allocation failure. */
+static char *
+scale10_round_decimal_long_double (long double x, int n)
+{
+ int e IF_LINT(= 0);
+ mpn_t m;
+ void *memory = decode_long_double (x, &e, &m);
+ return scale10_round_decimal_decoded (e, m, memory, n);
+}
+
+# endif
+
+# if NEED_PRINTF_DOUBLE
+
+/* Assuming x is finite and >= 0, and n is an integer:
+ Returns the decimal representation of round (x * 10^n).
+ Return the allocated memory - containing the decimal digits in low-to-high
+ order, terminated with a NUL character - in case of success, NULL in case
+ of memory allocation failure. */
+static char *
+scale10_round_decimal_double (double x, int n)
+{
+ int e IF_LINT(= 0);
+ mpn_t m;
+ void *memory = decode_double (x, &e, &m);
+ return scale10_round_decimal_decoded (e, m, memory, n);
+}
+
+# endif
+
+# if NEED_PRINTF_LONG_DOUBLE
+
+/* Assuming x is finite and > 0:
+ Return an approximation for n with 10^n <= x < 10^(n+1).
+ The approximation is usually the right n, but may be off by 1 sometimes. */
+static int
+floorlog10l (long double x)
+{
+ int exp;
+ long double y;
+ double z;
+ double l;
+
+ /* Split into exponential part and mantissa. */
+ y = frexpl (x, &exp);
+ if (!(y >= 0.0L && y < 1.0L))
+ abort ();
+ if (y == 0.0L)
+ return INT_MIN;
+ if (y < 0.5L)
+ {
+ while (y < (1.0L / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2))))
+ {
+ y *= 1.0L * (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2));
+ exp -= GMP_LIMB_BITS;
+ }
+ if (y < (1.0L / (1 << 16)))
+ {
+ y *= 1.0L * (1 << 16);
+ exp -= 16;
+ }
+ if (y < (1.0L / (1 << 8)))
+ {
+ y *= 1.0L * (1 << 8);
+ exp -= 8;
+ }
+ if (y < (1.0L / (1 << 4)))
+ {
+ y *= 1.0L * (1 << 4);
+ exp -= 4;
+ }
+ if (y < (1.0L / (1 << 2)))
+ {
+ y *= 1.0L * (1 << 2);
+ exp -= 2;
+ }
+ if (y < (1.0L / (1 << 1)))
+ {
+ y *= 1.0L * (1 << 1);
+ exp -= 1;
+ }
+ }
+ if (!(y >= 0.5L && y < 1.0L))
+ abort ();
+ /* Compute an approximation for l = log2(x) = exp + log2(y). */
+ l = exp;
+ z = y;
+ if (z < 0.70710678118654752444)
+ {
+ z *= 1.4142135623730950488;
+ l -= 0.5;
+ }
+ if (z < 0.8408964152537145431)
+ {
+ z *= 1.1892071150027210667;
+ l -= 0.25;
+ }
+ if (z < 0.91700404320467123175)
+ {
+ z *= 1.0905077326652576592;
+ l -= 0.125;
+ }
+ if (z < 0.9576032806985736469)
+ {
+ z *= 1.0442737824274138403;
+ l -= 0.0625;
+ }
+ /* Now 0.95 <= z <= 1.01. */
+ z = 1 - z;
+ /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...)
+ Four terms are enough to get an approximation with error < 10^-7. */
+ l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25)));
+ /* Finally multiply with log(2)/log(10), yields an approximation for
+ log10(x). */
+ l *= 0.30102999566398119523;
+ /* Round down to the next integer. */
+ return (int) l + (l < 0 ? -1 : 0);
+}
+
+# endif
+
+# if NEED_PRINTF_DOUBLE
+
+/* Assuming x is finite and > 0:
+ Return an approximation for n with 10^n <= x < 10^(n+1).
+ The approximation is usually the right n, but may be off by 1 sometimes. */
+static int
+floorlog10 (double x)
+{
+ int exp;
+ double y;
+ double z;
+ double l;
+
+ /* Split into exponential part and mantissa. */
+ y = frexp (x, &exp);
+ if (!(y >= 0.0 && y < 1.0))
+ abort ();
+ if (y == 0.0)
+ return INT_MIN;
+ if (y < 0.5)
+ {
+ while (y < (1.0 / (1 << (GMP_LIMB_BITS / 2)) / (1 << (GMP_LIMB_BITS / 2))))
+ {
+ y *= 1.0 * (1 << (GMP_LIMB_BITS / 2)) * (1 << (GMP_LIMB_BITS / 2));
+ exp -= GMP_LIMB_BITS;
+ }
+ if (y < (1.0 / (1 << 16)))
+ {
+ y *= 1.0 * (1 << 16);
+ exp -= 16;
+ }
+ if (y < (1.0 / (1 << 8)))
+ {
+ y *= 1.0 * (1 << 8);
+ exp -= 8;
+ }
+ if (y < (1.0 / (1 << 4)))
+ {
+ y *= 1.0 * (1 << 4);
+ exp -= 4;
+ }
+ if (y < (1.0 / (1 << 2)))
+ {
+ y *= 1.0 * (1 << 2);
+ exp -= 2;
+ }
+ if (y < (1.0 / (1 << 1)))
+ {
+ y *= 1.0 * (1 << 1);
+ exp -= 1;
+ }
+ }
+ if (!(y >= 0.5 && y < 1.0))
+ abort ();
+ /* Compute an approximation for l = log2(x) = exp + log2(y). */
+ l = exp;
+ z = y;
+ if (z < 0.70710678118654752444)
+ {
+ z *= 1.4142135623730950488;
+ l -= 0.5;
+ }
+ if (z < 0.8408964152537145431)
+ {
+ z *= 1.1892071150027210667;
+ l -= 0.25;
+ }
+ if (z < 0.91700404320467123175)
+ {
+ z *= 1.0905077326652576592;
+ l -= 0.125;
+ }
+ if (z < 0.9576032806985736469)
+ {
+ z *= 1.0442737824274138403;
+ l -= 0.0625;
+ }
+ /* Now 0.95 <= z <= 1.01. */
+ z = 1 - z;
+ /* log2(1-z) = 1/log(2) * (- z - z^2/2 - z^3/3 - z^4/4 - ...)
+ Four terms are enough to get an approximation with error < 10^-7. */
+ l -= 1.4426950408889634074 * z * (1.0 + z * (0.5 + z * ((1.0 / 3) + z * 0.25)));
+ /* Finally multiply with log(2)/log(10), yields an approximation for
+ log10(x). */
+ l *= 0.30102999566398119523;
+ /* Round down to the next integer. */
+ return (int) l + (l < 0 ? -1 : 0);
+}
+
+# endif
+
+/* Tests whether a string of digits consists of exactly PRECISION zeroes and
+ a single '1' digit. */
+static int
+is_borderline (const char *digits, size_t precision)
+{
+ for (; precision > 0; precision--, digits++)
+ if (*digits != '0')
+ return 0;
+ if (*digits != '1')
+ return 0;
+ digits++;
+ return *digits == '\0';
+}
+
+#endif
+
+DCHAR_T *
+VASNPRINTF (DCHAR_T *resultbuf, size_t *lengthp,
+ const FCHAR_T *format, va_list args)
+{
+ DIRECTIVES d;
+ arguments a;
+
+ if (PRINTF_PARSE (format, &d, &a) < 0)
+ /* errno is already set. */
+ return NULL;
+
+#define CLEANUP() \
+ free (d.dir); \
+ if (a.arg) \
+ free (a.arg);
+
+ if (PRINTF_FETCHARGS (args, &a) < 0)
+ {
+ CLEANUP ();
+ errno = EINVAL;
+ return NULL;
+ }
+
+ {
+ size_t buf_neededlength;
+ TCHAR_T *buf;
+ TCHAR_T *buf_malloced;
+ const FCHAR_T *cp;
+ size_t i;
+ DIRECTIVE *dp;
+ /* Output string accumulator. */
+ DCHAR_T *result;
+ size_t allocated;
+ size_t length;
+
+ /* Allocate a small buffer that will hold a directive passed to
+ sprintf or snprintf. */
+ buf_neededlength =
+ xsum4 (7, d.max_width_length, d.max_precision_length, 6);
+#if HAVE_ALLOCA
+ if (buf_neededlength < 4000 / sizeof (TCHAR_T))
+ {
+ buf = (TCHAR_T *) alloca (buf_neededlength * sizeof (TCHAR_T));
+ buf_malloced = NULL;
+ }
+ else
+#endif
+ {
+ size_t buf_memsize = xtimes (buf_neededlength, sizeof (TCHAR_T));
+ if (size_overflow_p (buf_memsize))
+ goto out_of_memory_1;
+ buf = (TCHAR_T *) malloc (buf_memsize);
+ if (buf == NULL)
+ goto out_of_memory_1;
+ buf_malloced = buf;
+ }
+
+ if (resultbuf != NULL)
+ {
+ result = resultbuf;
+ allocated = *lengthp;
+ }
+ else
+ {
+ result = NULL;
+ allocated = 0;
+ }
+ length = 0;
+ /* Invariants:
+ result is either == resultbuf or == NULL or malloc-allocated.
+ If length > 0, then result != NULL. */
+
+ /* Ensures that allocated >= needed. Aborts through a jump to
+ out_of_memory if needed is SIZE_MAX or otherwise too big. */
+#define ENSURE_ALLOCATION(needed) \
+ if ((needed) > allocated) \
+ { \
+ size_t memory_size; \
+ DCHAR_T *memory; \
+ \
+ allocated = (allocated > 0 ? xtimes (allocated, 2) : 12); \
+ if ((needed) > allocated) \
+ allocated = (needed); \
+ memory_size = xtimes (allocated, sizeof (DCHAR_T)); \
+ if (size_overflow_p (memory_size)) \
+ goto out_of_memory; \
+ if (result == resultbuf || result == NULL) \
+ memory = (DCHAR_T *) malloc (memory_size); \
+ else \
+ memory = (DCHAR_T *) realloc (result, memory_size); \
+ if (memory == NULL) \
+ goto out_of_memory; \
+ if (result == resultbuf && length > 0) \
+ DCHAR_CPY (memory, result, length); \
+ result = memory; \
+ }
+
+ for (cp = format, i = 0, dp = &d.dir[0]; ; cp = dp->dir_end, i++, dp++)
+ {
+ if (cp != dp->dir_start)
+ {
+ size_t n = dp->dir_start - cp;
+ size_t augmented_length = xsum (length, n);
+
+ ENSURE_ALLOCATION (augmented_length);
+ /* This copies a piece of FCHAR_T[] into a DCHAR_T[]. Here we
+ need that the format string contains only ASCII characters
+ if FCHAR_T and DCHAR_T are not the same type. */
+ if (sizeof (FCHAR_T) == sizeof (DCHAR_T))
+ {
+ DCHAR_CPY (result + length, (const DCHAR_T *) cp, n);
+ length = augmented_length;
+ }
+ else
+ {
+ do
+ result[length++] = (unsigned char) *cp++;
+ while (--n > 0);
+ }
+ }
+ if (i == d.count)
+ break;
+
+ /* Execute a single directive. */
+ if (dp->conversion == '%')
+ {
+ size_t augmented_length;
+
+ if (!(dp->arg_index == ARG_NONE))
+ abort ();
+ augmented_length = xsum (length, 1);
+ ENSURE_ALLOCATION (augmented_length);
+ result[length] = '%';
+ length = augmented_length;
+ }
+ else
+ {
+ if (!(dp->arg_index != ARG_NONE))
+ abort ();
+
+ if (dp->conversion == 'n')
+ {
+ switch (a.arg[dp->arg_index].type)
+ {
+ case TYPE_COUNT_SCHAR_POINTER:
+ *a.arg[dp->arg_index].a.a_count_schar_pointer = length;
+ break;
+ case TYPE_COUNT_SHORT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_short_pointer = length;
+ break;
+ case TYPE_COUNT_INT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_int_pointer = length;
+ break;
+ case TYPE_COUNT_LONGINT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_longint_pointer = length;
+ break;
+#if HAVE_LONG_LONG_INT
+ case TYPE_COUNT_LONGLONGINT_POINTER:
+ *a.arg[dp->arg_index].a.a_count_longlongint_pointer = length;
+ break;
+#endif
+ default:
+ abort ();
+ }
+ }
+#if ENABLE_UNISTDIO
+ /* The unistdio extensions. */
+ else if (dp->conversion == 'U')
+ {
+ arg_type type = a.arg[dp->arg_index].type;
+ int flags = dp->flags;
+ int has_width;
+ size_t width;
+ int has_precision;
+ size_t precision;
+
+ has_width = 0;
+ width = 0;
+ if (dp->width_start != dp->width_end)
+ {
+ if (dp->width_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->width_arg_index].a.a_int;
+ if (arg < 0)
+ {
+ /* "A negative field width is taken as a '-' flag
+ followed by a positive field width." */
+ flags |= FLAG_LEFT;
+ width = (unsigned int) (-arg);
+ }
+ else
+ width = arg;
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->width_start;
+
+ do
+ width = xsum (xtimes (width, 10), *digitp++ - '0');
+ while (digitp != dp->width_end);
+ }
+ has_width = 1;
+ }
+
+ has_precision = 0;
+ precision = 0;
+ if (dp->precision_start != dp->precision_end)
+ {
+ if (dp->precision_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->precision_arg_index].a.a_int;
+ /* "A negative precision is taken as if the precision
+ were omitted." */
+ if (arg >= 0)
+ {
+ precision = arg;
+ has_precision = 1;
+ }
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->precision_start + 1;
+
+ precision = 0;
+ while (digitp != dp->precision_end)
+ precision = xsum (xtimes (precision, 10), *digitp++ - '0');
+ has_precision = 1;
+ }
+ }
+
+ switch (type)
+ {
+ case TYPE_U8_STRING:
+ {
+ const uint8_t *arg = a.arg[dp->arg_index].a.a_u8_string;
+ const uint8_t *arg_end;
+ size_t characters;
+
+ if (has_precision)
+ {
+ /* Use only PRECISION characters, from the left. */
+ arg_end = arg;
+ characters = 0;
+ for (; precision > 0; precision--)
+ {
+ int count = u8_strmblen (arg_end);
+ if (count == 0)
+ break;
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EILSEQ;
+ return NULL;
+ }
+ arg_end += count;
+ characters++;
+ }
+ }
+ else if (has_width)
+ {
+ /* Use the entire string, and count the number of
+ characters. */
+ arg_end = arg;
+ characters = 0;
+ for (;;)
+ {
+ int count = u8_strmblen (arg_end);
+ if (count == 0)
+ break;
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EILSEQ;
+ return NULL;
+ }
+ arg_end += count;
+ characters++;
+ }
+ }
+ else
+ {
+ /* Use the entire string. */
+ arg_end = arg + u8_strlen (arg);
+ /* The number of characters doesn't matter. */
+ characters = 0;
+ }
+
+ if (has_width && width > characters
+ && !(dp->flags & FLAG_LEFT))
+ {
+ size_t n = width - characters;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_SET (result + length, ' ', n);
+ length += n;
+ }
+
+# if DCHAR_IS_UINT8_T
+ {
+ size_t n = arg_end - arg;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_CPY (result + length, arg, n);
+ length += n;
+ }
+# else
+ { /* Convert. */
+ DCHAR_T *converted = result + length;
+ size_t converted_len = allocated - length;
+# if DCHAR_IS_TCHAR
+ /* Convert from UTF-8 to locale encoding. */
+ if (u8_conv_to_encoding (locale_charset (),
+ iconveh_question_mark,
+ arg, arg_end - arg, NULL,
+ &converted, &converted_len)
+ < 0)
+# else
+ /* Convert from UTF-8 to UTF-16/UTF-32. */
+ converted =
+ U8_TO_DCHAR (arg, arg_end - arg,
+ converted, &converted_len);
+ if (converted == NULL)
+# endif
+ {
+ int saved_errno = errno;
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = saved_errno;
+ return NULL;
+ }
+ if (converted != result + length)
+ {
+ ENSURE_ALLOCATION (xsum (length, converted_len));
+ DCHAR_CPY (result + length, converted, converted_len);
+ free (converted);
+ }
+ length += converted_len;
+ }
+# endif
+
+ if (has_width && width > characters
+ && (dp->flags & FLAG_LEFT))
+ {
+ size_t n = width - characters;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_SET (result + length, ' ', n);
+ length += n;
+ }
+ }
+ break;
+
+ case TYPE_U16_STRING:
+ {
+ const uint16_t *arg = a.arg[dp->arg_index].a.a_u16_string;
+ const uint16_t *arg_end;
+ size_t characters;
+
+ if (has_precision)
+ {
+ /* Use only PRECISION characters, from the left. */
+ arg_end = arg;
+ characters = 0;
+ for (; precision > 0; precision--)
+ {
+ int count = u16_strmblen (arg_end);
+ if (count == 0)
+ break;
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EILSEQ;
+ return NULL;
+ }
+ arg_end += count;
+ characters++;
+ }
+ }
+ else if (has_width)
+ {
+ /* Use the entire string, and count the number of
+ characters. */
+ arg_end = arg;
+ characters = 0;
+ for (;;)
+ {
+ int count = u16_strmblen (arg_end);
+ if (count == 0)
+ break;
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EILSEQ;
+ return NULL;
+ }
+ arg_end += count;
+ characters++;
+ }
+ }
+ else
+ {
+ /* Use the entire string. */
+ arg_end = arg + u16_strlen (arg);
+ /* The number of characters doesn't matter. */
+ characters = 0;
+ }
+
+ if (has_width && width > characters
+ && !(dp->flags & FLAG_LEFT))
+ {
+ size_t n = width - characters;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_SET (result + length, ' ', n);
+ length += n;
+ }
+
+# if DCHAR_IS_UINT16_T
+ {
+ size_t n = arg_end - arg;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_CPY (result + length, arg, n);
+ length += n;
+ }
+# else
+ { /* Convert. */
+ DCHAR_T *converted = result + length;
+ size_t converted_len = allocated - length;
+# if DCHAR_IS_TCHAR
+ /* Convert from UTF-16 to locale encoding. */
+ if (u16_conv_to_encoding (locale_charset (),
+ iconveh_question_mark,
+ arg, arg_end - arg, NULL,
+ &converted, &converted_len)
+ < 0)
+# else
+ /* Convert from UTF-16 to UTF-8/UTF-32. */
+ converted =
+ U16_TO_DCHAR (arg, arg_end - arg,
+ converted, &converted_len);
+ if (converted == NULL)
+# endif
+ {
+ int saved_errno = errno;
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = saved_errno;
+ return NULL;
+ }
+ if (converted != result + length)
+ {
+ ENSURE_ALLOCATION (xsum (length, converted_len));
+ DCHAR_CPY (result + length, converted, converted_len);
+ free (converted);
+ }
+ length += converted_len;
+ }
+# endif
+
+ if (has_width && width > characters
+ && (dp->flags & FLAG_LEFT))
+ {
+ size_t n = width - characters;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_SET (result + length, ' ', n);
+ length += n;
+ }
+ }
+ break;
+
+ case TYPE_U32_STRING:
+ {
+ const uint32_t *arg = a.arg[dp->arg_index].a.a_u32_string;
+ const uint32_t *arg_end;
+ size_t characters;
+
+ if (has_precision)
+ {
+ /* Use only PRECISION characters, from the left. */
+ arg_end = arg;
+ characters = 0;
+ for (; precision > 0; precision--)
+ {
+ int count = u32_strmblen (arg_end);
+ if (count == 0)
+ break;
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EILSEQ;
+ return NULL;
+ }
+ arg_end += count;
+ characters++;
+ }
+ }
+ else if (has_width)
+ {
+ /* Use the entire string, and count the number of
+ characters. */
+ arg_end = arg;
+ characters = 0;
+ for (;;)
+ {
+ int count = u32_strmblen (arg_end);
+ if (count == 0)
+ break;
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EILSEQ;
+ return NULL;
+ }
+ arg_end += count;
+ characters++;
+ }
+ }
+ else
+ {
+ /* Use the entire string. */
+ arg_end = arg + u32_strlen (arg);
+ /* The number of characters doesn't matter. */
+ characters = 0;
+ }
+
+ if (has_width && width > characters
+ && !(dp->flags & FLAG_LEFT))
+ {
+ size_t n = width - characters;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_SET (result + length, ' ', n);
+ length += n;
+ }
+
+# if DCHAR_IS_UINT32_T
+ {
+ size_t n = arg_end - arg;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_CPY (result + length, arg, n);
+ length += n;
+ }
+# else
+ { /* Convert. */
+ DCHAR_T *converted = result + length;
+ size_t converted_len = allocated - length;
+# if DCHAR_IS_TCHAR
+ /* Convert from UTF-32 to locale encoding. */
+ if (u32_conv_to_encoding (locale_charset (),
+ iconveh_question_mark,
+ arg, arg_end - arg, NULL,
+ &converted, &converted_len)
+ < 0)
+# else
+ /* Convert from UTF-32 to UTF-8/UTF-16. */
+ converted =
+ U32_TO_DCHAR (arg, arg_end - arg,
+ converted, &converted_len);
+ if (converted == NULL)
+# endif
+ {
+ int saved_errno = errno;
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = saved_errno;
+ return NULL;
+ }
+ if (converted != result + length)
+ {
+ ENSURE_ALLOCATION (xsum (length, converted_len));
+ DCHAR_CPY (result + length, converted, converted_len);
+ free (converted);
+ }
+ length += converted_len;
+ }
+# endif
+
+ if (has_width && width > characters
+ && (dp->flags & FLAG_LEFT))
+ {
+ size_t n = width - characters;
+ ENSURE_ALLOCATION (xsum (length, n));
+ DCHAR_SET (result + length, ' ', n);
+ length += n;
+ }
+ }
+ break;
+
+ default:
+ abort ();
+ }
+ }
+#endif
+#if (NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_DOUBLE) && !defined IN_LIBINTL
+ else if ((dp->conversion == 'a' || dp->conversion == 'A')
+# if !(NEED_PRINTF_DIRECTIVE_A || (NEED_PRINTF_LONG_DOUBLE && NEED_PRINTF_DOUBLE))
+ && (0
+# if NEED_PRINTF_DOUBLE
+ || a.arg[dp->arg_index].type == TYPE_DOUBLE
+# endif
+# if NEED_PRINTF_LONG_DOUBLE
+ || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
+# endif
+ )
+# endif
+ )
+ {
+ arg_type type = a.arg[dp->arg_index].type;
+ int flags = dp->flags;
+ int has_width;
+ size_t width;
+ int has_precision;
+ size_t precision;
+ size_t tmp_length;
+ DCHAR_T tmpbuf[700];
+ DCHAR_T *tmp;
+ DCHAR_T *pad_ptr;
+ DCHAR_T *p;
+
+ has_width = 0;
+ width = 0;
+ if (dp->width_start != dp->width_end)
+ {
+ if (dp->width_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->width_arg_index].a.a_int;
+ if (arg < 0)
+ {
+ /* "A negative field width is taken as a '-' flag
+ followed by a positive field width." */
+ flags |= FLAG_LEFT;
+ width = (unsigned int) (-arg);
+ }
+ else
+ width = arg;
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->width_start;
+
+ do
+ width = xsum (xtimes (width, 10), *digitp++ - '0');
+ while (digitp != dp->width_end);
+ }
+ has_width = 1;
+ }
+
+ has_precision = 0;
+ precision = 0;
+ if (dp->precision_start != dp->precision_end)
+ {
+ if (dp->precision_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->precision_arg_index].a.a_int;
+ /* "A negative precision is taken as if the precision
+ were omitted." */
+ if (arg >= 0)
+ {
+ precision = arg;
+ has_precision = 1;
+ }
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->precision_start + 1;
+
+ precision = 0;
+ while (digitp != dp->precision_end)
+ precision = xsum (xtimes (precision, 10), *digitp++ - '0');
+ has_precision = 1;
+ }
+ }
+
+ /* Allocate a temporary buffer of sufficient size. */
+ if (type == TYPE_LONGDOUBLE)
+ tmp_length =
+ (unsigned int) ((LDBL_DIG + 1)
+ * 0.831 /* decimal -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+ tmp_length =
+ (unsigned int) ((DBL_DIG + 1)
+ * 0.831 /* decimal -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ if (tmp_length < precision)
+ tmp_length = precision;
+ /* Account for sign, decimal point etc. */
+ tmp_length = xsum (tmp_length, 12);
+
+ if (tmp_length < width)
+ tmp_length = width;
+
+ tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
+
+ if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
+ tmp = tmpbuf;
+ else
+ {
+ size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T));
+
+ if (size_overflow_p (tmp_memsize))
+ /* Overflow, would lead to out of memory. */
+ goto out_of_memory;
+ tmp = (DCHAR_T *) malloc (tmp_memsize);
+ if (tmp == NULL)
+ /* Out of memory. */
+ goto out_of_memory;
+ }
+
+ pad_ptr = NULL;
+ p = tmp;
+ if (type == TYPE_LONGDOUBLE)
+ {
+# if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_LONG_DOUBLE
+ long double arg = a.arg[dp->arg_index].a.a_longdouble;
+
+ if (isnanl (arg))
+ {
+ if (dp->conversion == 'A')
+ {
+ *p++ = 'N'; *p++ = 'A'; *p++ = 'N';
+ }
+ else
+ {
+ *p++ = 'n'; *p++ = 'a'; *p++ = 'n';
+ }
+ }
+ else
+ {
+ int sign = 0;
+ DECL_LONG_DOUBLE_ROUNDING
+
+ BEGIN_LONG_DOUBLE_ROUNDING ();
+
+ if (signbit (arg)) /* arg < 0.0L or negative zero */
+ {
+ sign = -1;
+ arg = -arg;
+ }
+
+ if (sign < 0)
+ *p++ = '-';
+ else if (flags & FLAG_SHOWSIGN)
+ *p++ = '+';
+ else if (flags & FLAG_SPACE)
+ *p++ = ' ';
+
+ if (arg > 0.0L && arg + arg == arg)
+ {
+ if (dp->conversion == 'A')
+ {
+ *p++ = 'I'; *p++ = 'N'; *p++ = 'F';
+ }
+ else
+ {
+ *p++ = 'i'; *p++ = 'n'; *p++ = 'f';
+ }
+ }
+ else
+ {
+ int exponent;
+ long double mantissa;
+
+ if (arg > 0.0L)
+ mantissa = printf_frexpl (arg, &exponent);
+ else
+ {
+ exponent = 0;
+ mantissa = 0.0L;
+ }
+
+ if (has_precision
+ && precision < (unsigned int) ((LDBL_DIG + 1) * 0.831) + 1)
+ {
+ /* Round the mantissa. */
+ long double tail = mantissa;
+ size_t q;
+
+ for (q = precision; ; q--)
+ {
+ int digit = (int) tail;
+ tail -= digit;
+ if (q == 0)
+ {
+ if (digit & 1 ? tail >= 0.5L : tail > 0.5L)
+ tail = 1 - tail;
+ else
+ tail = - tail;
+ break;
+ }
+ tail *= 16.0L;
+ }
+ if (tail != 0.0L)
+ for (q = precision; q > 0; q--)
+ tail *= 0.0625L;
+ mantissa += tail;
+ }
+
+ *p++ = '0';
+ *p++ = dp->conversion - 'A' + 'X';
+ pad_ptr = p;
+ {
+ int digit;
+
+ digit = (int) mantissa;
+ mantissa -= digit;
+ *p++ = '0' + digit;
+ if ((flags & FLAG_ALT)
+ || mantissa > 0.0L || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ /* This loop terminates because we assume
+ that FLT_RADIX is a power of 2. */
+ while (mantissa > 0.0L)
+ {
+ mantissa *= 16.0L;
+ digit = (int) mantissa;
+ mantissa -= digit;
+ *p++ = digit
+ + (digit < 10
+ ? '0'
+ : dp->conversion - 10);
+ if (precision > 0)
+ precision--;
+ }
+ while (precision > 0)
+ {
+ *p++ = '0';
+ precision--;
+ }
+ }
+ }
+ *p++ = dp->conversion - 'A' + 'P';
+# if WIDE_CHAR_VERSION
+ {
+ static const wchar_t decimal_format[] =
+ { '%', '+', 'd', '\0' };
+ SNPRINTF (p, 6 + 1, decimal_format, exponent);
+ }
+ while (*p != '\0')
+ p++;
+# else
+ if (sizeof (DCHAR_T) == 1)
+ {
+ sprintf ((char *) p, "%+d", exponent);
+ while (*p != '\0')
+ p++;
+ }
+ else
+ {
+ char expbuf[6 + 1];
+ const char *ep;
+ sprintf (expbuf, "%+d", exponent);
+ for (ep = expbuf; (*p = *ep) != '\0'; ep++)
+ p++;
+ }
+# endif
+ }
+
+ END_LONG_DOUBLE_ROUNDING ();
+ }
+# else
+ abort ();
+# endif
+ }
+ else
+ {
+# if NEED_PRINTF_DIRECTIVE_A || NEED_PRINTF_DOUBLE
+ double arg = a.arg[dp->arg_index].a.a_double;
+
+ if (isnand (arg))
+ {
+ if (dp->conversion == 'A')
+ {
+ *p++ = 'N'; *p++ = 'A'; *p++ = 'N';
+ }
+ else
+ {
+ *p++ = 'n'; *p++ = 'a'; *p++ = 'n';
+ }
+ }
+ else
+ {
+ int sign = 0;
+
+ if (signbit (arg)) /* arg < 0.0 or negative zero */
+ {
+ sign = -1;
+ arg = -arg;
+ }
+
+ if (sign < 0)
+ *p++ = '-';
+ else if (flags & FLAG_SHOWSIGN)
+ *p++ = '+';
+ else if (flags & FLAG_SPACE)
+ *p++ = ' ';
+
+ if (arg > 0.0 && arg + arg == arg)
+ {
+ if (dp->conversion == 'A')
+ {
+ *p++ = 'I'; *p++ = 'N'; *p++ = 'F';
+ }
+ else
+ {
+ *p++ = 'i'; *p++ = 'n'; *p++ = 'f';
+ }
+ }
+ else
+ {
+ int exponent;
+ double mantissa;
+
+ if (arg > 0.0)
+ mantissa = printf_frexp (arg, &exponent);
+ else
+ {
+ exponent = 0;
+ mantissa = 0.0;
+ }
+
+ if (has_precision
+ && precision < (unsigned int) ((DBL_DIG + 1) * 0.831) + 1)
+ {
+ /* Round the mantissa. */
+ double tail = mantissa;
+ size_t q;
+
+ for (q = precision; ; q--)
+ {
+ int digit = (int) tail;
+ tail -= digit;
+ if (q == 0)
+ {
+ if (digit & 1 ? tail >= 0.5 : tail > 0.5)
+ tail = 1 - tail;
+ else
+ tail = - tail;
+ break;
+ }
+ tail *= 16.0;
+ }
+ if (tail != 0.0)
+ for (q = precision; q > 0; q--)
+ tail *= 0.0625;
+ mantissa += tail;
+ }
+
+ *p++ = '0';
+ *p++ = dp->conversion - 'A' + 'X';
+ pad_ptr = p;
+ {
+ int digit;
+
+ digit = (int) mantissa;
+ mantissa -= digit;
+ *p++ = '0' + digit;
+ if ((flags & FLAG_ALT)
+ || mantissa > 0.0 || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ /* This loop terminates because we assume
+ that FLT_RADIX is a power of 2. */
+ while (mantissa > 0.0)
+ {
+ mantissa *= 16.0;
+ digit = (int) mantissa;
+ mantissa -= digit;
+ *p++ = digit
+ + (digit < 10
+ ? '0'
+ : dp->conversion - 10);
+ if (precision > 0)
+ precision--;
+ }
+ while (precision > 0)
+ {
+ *p++ = '0';
+ precision--;
+ }
+ }
+ }
+ *p++ = dp->conversion - 'A' + 'P';
+# if WIDE_CHAR_VERSION
+ {
+ static const wchar_t decimal_format[] =
+ { '%', '+', 'd', '\0' };
+ SNPRINTF (p, 6 + 1, decimal_format, exponent);
+ }
+ while (*p != '\0')
+ p++;
+# else
+ if (sizeof (DCHAR_T) == 1)
+ {
+ sprintf ((char *) p, "%+d", exponent);
+ while (*p != '\0')
+ p++;
+ }
+ else
+ {
+ char expbuf[6 + 1];
+ const char *ep;
+ sprintf (expbuf, "%+d", exponent);
+ for (ep = expbuf; (*p = *ep) != '\0'; ep++)
+ p++;
+ }
+# endif
+ }
+ }
+# else
+ abort ();
+# endif
+ }
+ /* The generated string now extends from tmp to p, with the
+ zero padding insertion point being at pad_ptr. */
+ if (has_width && p - tmp < width)
+ {
+ size_t pad = width - (p - tmp);
+ DCHAR_T *end = p + pad;
+
+ if (flags & FLAG_LEFT)
+ {
+ /* Pad with spaces on the right. */
+ for (; pad > 0; pad--)
+ *p++ = ' ';
+ }
+ else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
+ {
+ /* Pad with zeroes. */
+ DCHAR_T *q = end;
+
+ while (p > pad_ptr)
+ *--q = *--p;
+ for (; pad > 0; pad--)
+ *p++ = '0';
+ }
+ else
+ {
+ /* Pad with spaces on the left. */
+ DCHAR_T *q = end;
+
+ while (p > tmp)
+ *--q = *--p;
+ for (; pad > 0; pad--)
+ *p++ = ' ';
+ }
+
+ p = end;
+ }
+
+ {
+ size_t count = p - tmp;
+
+ if (count >= tmp_length)
+ /* tmp_length was incorrectly calculated - fix the
+ code above! */
+ abort ();
+
+ /* Make room for the result. */
+ if (count >= allocated - length)
+ {
+ size_t n = xsum (length, count);
+
+ ENSURE_ALLOCATION (n);
+ }
+
+ /* Append the result. */
+ memcpy (result + length, tmp, count * sizeof (DCHAR_T));
+ if (tmp != tmpbuf)
+ free (tmp);
+ length += count;
+ }
+ }
+#endif
+#if (NEED_PRINTF_INFINITE_DOUBLE || NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE || NEED_PRINTF_LONG_DOUBLE) && !defined IN_LIBINTL
+ else if ((dp->conversion == 'f' || dp->conversion == 'F'
+ || dp->conversion == 'e' || dp->conversion == 'E'
+ || dp->conversion == 'g' || dp->conversion == 'G'
+ || dp->conversion == 'a' || dp->conversion == 'A')
+ && (0
+# if NEED_PRINTF_DOUBLE
+ || a.arg[dp->arg_index].type == TYPE_DOUBLE
+# elif NEED_PRINTF_INFINITE_DOUBLE
+ || (a.arg[dp->arg_index].type == TYPE_DOUBLE
+ /* The systems (mingw) which produce wrong output
+ for Inf, -Inf, and NaN also do so for -0.0.
+ Therefore we treat this case here as well. */
+ && is_infinite_or_zero (a.arg[dp->arg_index].a.a_double))
+# endif
+# if NEED_PRINTF_LONG_DOUBLE
+ || a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
+# elif NEED_PRINTF_INFINITE_LONG_DOUBLE
+ || (a.arg[dp->arg_index].type == TYPE_LONGDOUBLE
+ /* Some systems produce wrong output for Inf,
+ -Inf, and NaN. Some systems in this category
+ (IRIX 5.3) also do so for -0.0. Therefore we
+ treat this case here as well. */
+ && is_infinite_or_zerol (a.arg[dp->arg_index].a.a_longdouble))
+# endif
+ ))
+ {
+# if (NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE) && (NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE)
+ arg_type type = a.arg[dp->arg_index].type;
+# endif
+ int flags = dp->flags;
+ int has_width;
+ size_t width;
+ int has_precision;
+ size_t precision;
+ size_t tmp_length;
+ DCHAR_T tmpbuf[700];
+ DCHAR_T *tmp;
+ DCHAR_T *pad_ptr;
+ DCHAR_T *p;
+
+ has_width = 0;
+ width = 0;
+ if (dp->width_start != dp->width_end)
+ {
+ if (dp->width_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->width_arg_index].a.a_int;
+ if (arg < 0)
+ {
+ /* "A negative field width is taken as a '-' flag
+ followed by a positive field width." */
+ flags |= FLAG_LEFT;
+ width = (unsigned int) (-arg);
+ }
+ else
+ width = arg;
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->width_start;
+
+ do
+ width = xsum (xtimes (width, 10), *digitp++ - '0');
+ while (digitp != dp->width_end);
+ }
+ has_width = 1;
+ }
+
+ has_precision = 0;
+ precision = 0;
+ if (dp->precision_start != dp->precision_end)
+ {
+ if (dp->precision_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->precision_arg_index].a.a_int;
+ /* "A negative precision is taken as if the precision
+ were omitted." */
+ if (arg >= 0)
+ {
+ precision = arg;
+ has_precision = 1;
+ }
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->precision_start + 1;
+
+ precision = 0;
+ while (digitp != dp->precision_end)
+ precision = xsum (xtimes (precision, 10), *digitp++ - '0');
+ has_precision = 1;
+ }
+ }
+
+ /* POSIX specifies the default precision to be 6 for %f, %F,
+ %e, %E, but not for %g, %G. Implementations appear to use
+ the same default precision also for %g, %G. But for %a, %A,
+ the default precision is 0. */
+ if (!has_precision)
+ if (!(dp->conversion == 'a' || dp->conversion == 'A'))
+ precision = 6;
+
+ /* Allocate a temporary buffer of sufficient size. */
+# if NEED_PRINTF_DOUBLE && NEED_PRINTF_LONG_DOUBLE
+ tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : DBL_DIG + 1);
+# elif NEED_PRINTF_INFINITE_DOUBLE && NEED_PRINTF_LONG_DOUBLE
+ tmp_length = (type == TYPE_LONGDOUBLE ? LDBL_DIG + 1 : 0);
+# elif NEED_PRINTF_LONG_DOUBLE
+ tmp_length = LDBL_DIG + 1;
+# elif NEED_PRINTF_DOUBLE
+ tmp_length = DBL_DIG + 1;
+# else
+ tmp_length = 0;
+# endif
+ if (tmp_length < precision)
+ tmp_length = precision;
+# if NEED_PRINTF_LONG_DOUBLE
+# if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE
+ if (type == TYPE_LONGDOUBLE)
+# endif
+ if (dp->conversion == 'f' || dp->conversion == 'F')
+ {
+ long double arg = a.arg[dp->arg_index].a.a_longdouble;
+ if (!(isnanl (arg) || arg + arg == arg))
+ {
+ /* arg is finite and nonzero. */
+ int exponent = floorlog10l (arg < 0 ? -arg : arg);
+ if (exponent >= 0 && tmp_length < exponent + precision)
+ tmp_length = exponent + precision;
+ }
+ }
+# endif
+# if NEED_PRINTF_DOUBLE
+# if NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE
+ if (type == TYPE_DOUBLE)
+# endif
+ if (dp->conversion == 'f' || dp->conversion == 'F')
+ {
+ double arg = a.arg[dp->arg_index].a.a_double;
+ if (!(isnand (arg) || arg + arg == arg))
+ {
+ /* arg is finite and nonzero. */
+ int exponent = floorlog10 (arg < 0 ? -arg : arg);
+ if (exponent >= 0 && tmp_length < exponent + precision)
+ tmp_length = exponent + precision;
+ }
+ }
+# endif
+ /* Account for sign, decimal point etc. */
+ tmp_length = xsum (tmp_length, 12);
+
+ if (tmp_length < width)
+ tmp_length = width;
+
+ tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
+
+ if (tmp_length <= sizeof (tmpbuf) / sizeof (DCHAR_T))
+ tmp = tmpbuf;
+ else
+ {
+ size_t tmp_memsize = xtimes (tmp_length, sizeof (DCHAR_T));
+
+ if (size_overflow_p (tmp_memsize))
+ /* Overflow, would lead to out of memory. */
+ goto out_of_memory;
+ tmp = (DCHAR_T *) malloc (tmp_memsize);
+ if (tmp == NULL)
+ /* Out of memory. */
+ goto out_of_memory;
+ }
+
+ pad_ptr = NULL;
+ p = tmp;
+
+# if NEED_PRINTF_LONG_DOUBLE || NEED_PRINTF_INFINITE_LONG_DOUBLE
+# if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE
+ if (type == TYPE_LONGDOUBLE)
+# endif
+ {
+ long double arg = a.arg[dp->arg_index].a.a_longdouble;
+
+ if (isnanl (arg))
+ {
+ if (dp->conversion >= 'A' && dp->conversion <= 'Z')
+ {
+ *p++ = 'N'; *p++ = 'A'; *p++ = 'N';
+ }
+ else
+ {
+ *p++ = 'n'; *p++ = 'a'; *p++ = 'n';
+ }
+ }
+ else
+ {
+ int sign = 0;
+ DECL_LONG_DOUBLE_ROUNDING
+
+ BEGIN_LONG_DOUBLE_ROUNDING ();
+
+ if (signbit (arg)) /* arg < 0.0L or negative zero */
+ {
+ sign = -1;
+ arg = -arg;
+ }
+
+ if (sign < 0)
+ *p++ = '-';
+ else if (flags & FLAG_SHOWSIGN)
+ *p++ = '+';
+ else if (flags & FLAG_SPACE)
+ *p++ = ' ';
+
+ if (arg > 0.0L && arg + arg == arg)
+ {
+ if (dp->conversion >= 'A' && dp->conversion <= 'Z')
+ {
+ *p++ = 'I'; *p++ = 'N'; *p++ = 'F';
+ }
+ else
+ {
+ *p++ = 'i'; *p++ = 'n'; *p++ = 'f';
+ }
+ }
+ else
+ {
+# if NEED_PRINTF_LONG_DOUBLE
+ pad_ptr = p;
+
+ if (dp->conversion == 'f' || dp->conversion == 'F')
+ {
+ char *digits;
+ size_t ndigits;
+
+ digits =
+ scale10_round_decimal_long_double (arg, precision);
+ if (digits == NULL)
+ {
+ END_LONG_DOUBLE_ROUNDING ();
+ goto out_of_memory;
+ }
+ ndigits = strlen (digits);
+
+ if (ndigits > precision)
+ do
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ while (ndigits > precision);
+ else
+ *p++ = '0';
+ /* Here ndigits <= precision. */
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > ndigits; precision--)
+ *p++ = '0';
+ while (ndigits > 0)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+
+ free (digits);
+ }
+ else if (dp->conversion == 'e' || dp->conversion == 'E')
+ {
+ int exponent;
+
+ if (arg == 0.0L)
+ {
+ exponent = 0;
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ }
+ else
+ {
+ /* arg > 0.0L. */
+ int adjusted;
+ char *digits;
+ size_t ndigits;
+
+ exponent = floorlog10l (arg);
+ adjusted = 0;
+ for (;;)
+ {
+ digits =
+ scale10_round_decimal_long_double (arg,
+ (int)precision - exponent);
+ if (digits == NULL)
+ {
+ END_LONG_DOUBLE_ROUNDING ();
+ goto out_of_memory;
+ }
+ ndigits = strlen (digits);
+
+ if (ndigits == precision + 1)
+ break;
+ if (ndigits < precision
+ || ndigits > precision + 2)
+ /* The exponent was not guessed
+ precisely enough. */
+ abort ();
+ if (adjusted)
+ /* None of two values of exponent is
+ the right one. Prevent an endless
+ loop. */
+ abort ();
+ free (digits);
+ if (ndigits == precision)
+ exponent -= 1;
+ else
+ exponent += 1;
+ adjusted = 1;
+ }
+ /* Here ndigits = precision+1. */
+ if (is_borderline (digits, precision))
+ {
+ /* Maybe the exponent guess was too high
+ and a smaller exponent can be reached
+ by turning a 10...0 into 9...9x. */
+ char *digits2 =
+ scale10_round_decimal_long_double (arg,
+ (int)precision - exponent + 1);
+ if (digits2 == NULL)
+ {
+ free (digits);
+ END_LONG_DOUBLE_ROUNDING ();
+ goto out_of_memory;
+ }
+ if (strlen (digits2) == precision + 1)
+ {
+ free (digits);
+ digits = digits2;
+ exponent -= 1;
+ }
+ else
+ free (digits2);
+ }
+ /* Here ndigits = precision+1. */
+
+ *p++ = digits[--ndigits];
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > 0)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+
+ free (digits);
+ }
+
+ *p++ = dp->conversion; /* 'e' or 'E' */
+# if WIDE_CHAR_VERSION
+ {
+ static const wchar_t decimal_format[] =
+ { '%', '+', '.', '2', 'd', '\0' };
+ SNPRINTF (p, 6 + 1, decimal_format, exponent);
+ }
+ while (*p != '\0')
+ p++;
+# else
+ if (sizeof (DCHAR_T) == 1)
+ {
+ sprintf ((char *) p, "%+.2d", exponent);
+ while (*p != '\0')
+ p++;
+ }
+ else
+ {
+ char expbuf[6 + 1];
+ const char *ep;
+ sprintf (expbuf, "%+.2d", exponent);
+ for (ep = expbuf; (*p = *ep) != '\0'; ep++)
+ p++;
+ }
+# endif
+ }
+ else if (dp->conversion == 'g' || dp->conversion == 'G')
+ {
+ if (precision == 0)
+ precision = 1;
+ /* precision >= 1. */
+
+ if (arg == 0.0L)
+ /* The exponent is 0, >= -4, < precision.
+ Use fixed-point notation. */
+ {
+ size_t ndigits = precision;
+ /* Number of trailing zeroes that have to be
+ dropped. */
+ size_t nzeroes =
+ (flags & FLAG_ALT ? 0 : precision - 1);
+
+ --ndigits;
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || ndigits > nzeroes)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = '0';
+ }
+ }
+ }
+ else
+ {
+ /* arg > 0.0L. */
+ int exponent;
+ int adjusted;
+ char *digits;
+ size_t ndigits;
+ size_t nzeroes;
+
+ exponent = floorlog10l (arg);
+ adjusted = 0;
+ for (;;)
+ {
+ digits =
+ scale10_round_decimal_long_double (arg,
+ (int)(precision - 1) - exponent);
+ if (digits == NULL)
+ {
+ END_LONG_DOUBLE_ROUNDING ();
+ goto out_of_memory;
+ }
+ ndigits = strlen (digits);
+
+ if (ndigits == precision)
+ break;
+ if (ndigits < precision - 1
+ || ndigits > precision + 1)
+ /* The exponent was not guessed
+ precisely enough. */
+ abort ();
+ if (adjusted)
+ /* None of two values of exponent is
+ the right one. Prevent an endless
+ loop. */
+ abort ();
+ free (digits);
+ if (ndigits < precision)
+ exponent -= 1;
+ else
+ exponent += 1;
+ adjusted = 1;
+ }
+ /* Here ndigits = precision. */
+ if (is_borderline (digits, precision - 1))
+ {
+ /* Maybe the exponent guess was too high
+ and a smaller exponent can be reached
+ by turning a 10...0 into 9...9x. */
+ char *digits2 =
+ scale10_round_decimal_long_double (arg,
+ (int)(precision - 1) - exponent + 1);
+ if (digits2 == NULL)
+ {
+ free (digits);
+ END_LONG_DOUBLE_ROUNDING ();
+ goto out_of_memory;
+ }
+ if (strlen (digits2) == precision)
+ {
+ free (digits);
+ digits = digits2;
+ exponent -= 1;
+ }
+ else
+ free (digits2);
+ }
+ /* Here ndigits = precision. */
+
+ /* Determine the number of trailing zeroes
+ that have to be dropped. */
+ nzeroes = 0;
+ if ((flags & FLAG_ALT) == 0)
+ while (nzeroes < ndigits
+ && digits[nzeroes] == '0')
+ nzeroes++;
+
+ /* The exponent is now determined. */
+ if (exponent >= -4
+ && exponent < (long)precision)
+ {
+ /* Fixed-point notation:
+ max(exponent,0)+1 digits, then the
+ decimal point, then the remaining
+ digits without trailing zeroes. */
+ if (exponent >= 0)
+ {
+ size_t count = exponent + 1;
+ /* Note: count <= precision = ndigits. */
+ for (; count > 0; count--)
+ *p++ = digits[--ndigits];
+ if ((flags & FLAG_ALT) || ndigits > nzeroes)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+ }
+ else
+ {
+ size_t count = -exponent - 1;
+ *p++ = '0';
+ *p++ = decimal_point_char ();
+ for (; count > 0; count--)
+ *p++ = '0';
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+ }
+ else
+ {
+ /* Exponential notation. */
+ *p++ = digits[--ndigits];
+ if ((flags & FLAG_ALT) || ndigits > nzeroes)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+ *p++ = dp->conversion - 'G' + 'E'; /* 'e' or 'E' */
+# if WIDE_CHAR_VERSION
+ {
+ static const wchar_t decimal_format[] =
+ { '%', '+', '.', '2', 'd', '\0' };
+ SNPRINTF (p, 6 + 1, decimal_format, exponent);
+ }
+ while (*p != '\0')
+ p++;
+# else
+ if (sizeof (DCHAR_T) == 1)
+ {
+ sprintf ((char *) p, "%+.2d", exponent);
+ while (*p != '\0')
+ p++;
+ }
+ else
+ {
+ char expbuf[6 + 1];
+ const char *ep;
+ sprintf (expbuf, "%+.2d", exponent);
+ for (ep = expbuf; (*p = *ep) != '\0'; ep++)
+ p++;
+ }
+# endif
+ }
+
+ free (digits);
+ }
+ }
+ else
+ abort ();
+# else
+ /* arg is finite. */
+ if (!(arg == 0.0L))
+ abort ();
+
+ pad_ptr = p;
+
+ if (dp->conversion == 'f' || dp->conversion == 'F')
+ {
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ }
+ else if (dp->conversion == 'e' || dp->conversion == 'E')
+ {
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ *p++ = dp->conversion; /* 'e' or 'E' */
+ *p++ = '+';
+ *p++ = '0';
+ *p++ = '0';
+ }
+ else if (dp->conversion == 'g' || dp->conversion == 'G')
+ {
+ *p++ = '0';
+ if (flags & FLAG_ALT)
+ {
+ size_t ndigits =
+ (precision > 0 ? precision - 1 : 0);
+ *p++ = decimal_point_char ();
+ for (; ndigits > 0; --ndigits)
+ *p++ = '0';
+ }
+ }
+ else if (dp->conversion == 'a' || dp->conversion == 'A')
+ {
+ *p++ = '0';
+ *p++ = dp->conversion - 'A' + 'X';
+ pad_ptr = p;
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ *p++ = dp->conversion - 'A' + 'P';
+ *p++ = '+';
+ *p++ = '0';
+ }
+ else
+ abort ();
+# endif
+ }
+
+ END_LONG_DOUBLE_ROUNDING ();
+ }
+ }
+# if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE
+ else
+# endif
+# endif
+# if NEED_PRINTF_DOUBLE || NEED_PRINTF_INFINITE_DOUBLE
+ {
+ double arg = a.arg[dp->arg_index].a.a_double;
+
+ if (isnand (arg))
+ {
+ if (dp->conversion >= 'A' && dp->conversion <= 'Z')
+ {
+ *p++ = 'N'; *p++ = 'A'; *p++ = 'N';
+ }
+ else
+ {
+ *p++ = 'n'; *p++ = 'a'; *p++ = 'n';
+ }
+ }
+ else
+ {
+ int sign = 0;
+
+ if (signbit (arg)) /* arg < 0.0 or negative zero */
+ {
+ sign = -1;
+ arg = -arg;
+ }
+
+ if (sign < 0)
+ *p++ = '-';
+ else if (flags & FLAG_SHOWSIGN)
+ *p++ = '+';
+ else if (flags & FLAG_SPACE)
+ *p++ = ' ';
+
+ if (arg > 0.0 && arg + arg == arg)
+ {
+ if (dp->conversion >= 'A' && dp->conversion <= 'Z')
+ {
+ *p++ = 'I'; *p++ = 'N'; *p++ = 'F';
+ }
+ else
+ {
+ *p++ = 'i'; *p++ = 'n'; *p++ = 'f';
+ }
+ }
+ else
+ {
+# if NEED_PRINTF_DOUBLE
+ pad_ptr = p;
+
+ if (dp->conversion == 'f' || dp->conversion == 'F')
+ {
+ char *digits;
+ size_t ndigits;
+
+ digits =
+ scale10_round_decimal_double (arg, precision);
+ if (digits == NULL)
+ goto out_of_memory;
+ ndigits = strlen (digits);
+
+ if (ndigits > precision)
+ do
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ while (ndigits > precision);
+ else
+ *p++ = '0';
+ /* Here ndigits <= precision. */
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > ndigits; precision--)
+ *p++ = '0';
+ while (ndigits > 0)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+
+ free (digits);
+ }
+ else if (dp->conversion == 'e' || dp->conversion == 'E')
+ {
+ int exponent;
+
+ if (arg == 0.0)
+ {
+ exponent = 0;
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ }
+ else
+ {
+ /* arg > 0.0. */
+ int adjusted;
+ char *digits;
+ size_t ndigits;
+
+ exponent = floorlog10 (arg);
+ adjusted = 0;
+ for (;;)
+ {
+ digits =
+ scale10_round_decimal_double (arg,
+ (int)precision - exponent);
+ if (digits == NULL)
+ goto out_of_memory;
+ ndigits = strlen (digits);
+
+ if (ndigits == precision + 1)
+ break;
+ if (ndigits < precision
+ || ndigits > precision + 2)
+ /* The exponent was not guessed
+ precisely enough. */
+ abort ();
+ if (adjusted)
+ /* None of two values of exponent is
+ the right one. Prevent an endless
+ loop. */
+ abort ();
+ free (digits);
+ if (ndigits == precision)
+ exponent -= 1;
+ else
+ exponent += 1;
+ adjusted = 1;
+ }
+ /* Here ndigits = precision+1. */
+ if (is_borderline (digits, precision))
+ {
+ /* Maybe the exponent guess was too high
+ and a smaller exponent can be reached
+ by turning a 10...0 into 9...9x. */
+ char *digits2 =
+ scale10_round_decimal_double (arg,
+ (int)precision - exponent + 1);
+ if (digits2 == NULL)
+ {
+ free (digits);
+ goto out_of_memory;
+ }
+ if (strlen (digits2) == precision + 1)
+ {
+ free (digits);
+ digits = digits2;
+ exponent -= 1;
+ }
+ else
+ free (digits2);
+ }
+ /* Here ndigits = precision+1. */
+
+ *p++ = digits[--ndigits];
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > 0)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+
+ free (digits);
+ }
+
+ *p++ = dp->conversion; /* 'e' or 'E' */
+# if WIDE_CHAR_VERSION
+ {
+ static const wchar_t decimal_format[] =
+ /* Produce the same number of exponent digits
+ as the native printf implementation. */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ { '%', '+', '.', '3', 'd', '\0' };
+# else
+ { '%', '+', '.', '2', 'd', '\0' };
+# endif
+ SNPRINTF (p, 6 + 1, decimal_format, exponent);
+ }
+ while (*p != '\0')
+ p++;
+# else
+ {
+ static const char decimal_format[] =
+ /* Produce the same number of exponent digits
+ as the native printf implementation. */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ "%+.3d";
+# else
+ "%+.2d";
+# endif
+ if (sizeof (DCHAR_T) == 1)
+ {
+ sprintf ((char *) p, decimal_format, exponent);
+ while (*p != '\0')
+ p++;
+ }
+ else
+ {
+ char expbuf[6 + 1];
+ const char *ep;
+ sprintf (expbuf, decimal_format, exponent);
+ for (ep = expbuf; (*p = *ep) != '\0'; ep++)
+ p++;
+ }
+ }
+# endif
+ }
+ else if (dp->conversion == 'g' || dp->conversion == 'G')
+ {
+ if (precision == 0)
+ precision = 1;
+ /* precision >= 1. */
+
+ if (arg == 0.0)
+ /* The exponent is 0, >= -4, < precision.
+ Use fixed-point notation. */
+ {
+ size_t ndigits = precision;
+ /* Number of trailing zeroes that have to be
+ dropped. */
+ size_t nzeroes =
+ (flags & FLAG_ALT ? 0 : precision - 1);
+
+ --ndigits;
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || ndigits > nzeroes)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = '0';
+ }
+ }
+ }
+ else
+ {
+ /* arg > 0.0. */
+ int exponent;
+ int adjusted;
+ char *digits;
+ size_t ndigits;
+ size_t nzeroes;
+
+ exponent = floorlog10 (arg);
+ adjusted = 0;
+ for (;;)
+ {
+ digits =
+ scale10_round_decimal_double (arg,
+ (int)(precision - 1) - exponent);
+ if (digits == NULL)
+ goto out_of_memory;
+ ndigits = strlen (digits);
+
+ if (ndigits == precision)
+ break;
+ if (ndigits < precision - 1
+ || ndigits > precision + 1)
+ /* The exponent was not guessed
+ precisely enough. */
+ abort ();
+ if (adjusted)
+ /* None of two values of exponent is
+ the right one. Prevent an endless
+ loop. */
+ abort ();
+ free (digits);
+ if (ndigits < precision)
+ exponent -= 1;
+ else
+ exponent += 1;
+ adjusted = 1;
+ }
+ /* Here ndigits = precision. */
+ if (is_borderline (digits, precision - 1))
+ {
+ /* Maybe the exponent guess was too high
+ and a smaller exponent can be reached
+ by turning a 10...0 into 9...9x. */
+ char *digits2 =
+ scale10_round_decimal_double (arg,
+ (int)(precision - 1) - exponent + 1);
+ if (digits2 == NULL)
+ {
+ free (digits);
+ goto out_of_memory;
+ }
+ if (strlen (digits2) == precision)
+ {
+ free (digits);
+ digits = digits2;
+ exponent -= 1;
+ }
+ else
+ free (digits2);
+ }
+ /* Here ndigits = precision. */
+
+ /* Determine the number of trailing zeroes
+ that have to be dropped. */
+ nzeroes = 0;
+ if ((flags & FLAG_ALT) == 0)
+ while (nzeroes < ndigits
+ && digits[nzeroes] == '0')
+ nzeroes++;
+
+ /* The exponent is now determined. */
+ if (exponent >= -4
+ && exponent < (long)precision)
+ {
+ /* Fixed-point notation:
+ max(exponent,0)+1 digits, then the
+ decimal point, then the remaining
+ digits without trailing zeroes. */
+ if (exponent >= 0)
+ {
+ size_t count = exponent + 1;
+ /* Note: count <= precision = ndigits. */
+ for (; count > 0; count--)
+ *p++ = digits[--ndigits];
+ if ((flags & FLAG_ALT) || ndigits > nzeroes)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+ }
+ else
+ {
+ size_t count = -exponent - 1;
+ *p++ = '0';
+ *p++ = decimal_point_char ();
+ for (; count > 0; count--)
+ *p++ = '0';
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+ }
+ else
+ {
+ /* Exponential notation. */
+ *p++ = digits[--ndigits];
+ if ((flags & FLAG_ALT) || ndigits > nzeroes)
+ {
+ *p++ = decimal_point_char ();
+ while (ndigits > nzeroes)
+ {
+ --ndigits;
+ *p++ = digits[ndigits];
+ }
+ }
+ *p++ = dp->conversion - 'G' + 'E'; /* 'e' or 'E' */
+# if WIDE_CHAR_VERSION
+ {
+ static const wchar_t decimal_format[] =
+ /* Produce the same number of exponent digits
+ as the native printf implementation. */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ { '%', '+', '.', '3', 'd', '\0' };
+# else
+ { '%', '+', '.', '2', 'd', '\0' };
+# endif
+ SNPRINTF (p, 6 + 1, decimal_format, exponent);
+ }
+ while (*p != '\0')
+ p++;
+# else
+ {
+ static const char decimal_format[] =
+ /* Produce the same number of exponent digits
+ as the native printf implementation. */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ "%+.3d";
+# else
+ "%+.2d";
+# endif
+ if (sizeof (DCHAR_T) == 1)
+ {
+ sprintf ((char *) p, decimal_format, exponent);
+ while (*p != '\0')
+ p++;
+ }
+ else
+ {
+ char expbuf[6 + 1];
+ const char *ep;
+ sprintf (expbuf, decimal_format, exponent);
+ for (ep = expbuf; (*p = *ep) != '\0'; ep++)
+ p++;
+ }
+ }
+# endif
+ }
+
+ free (digits);
+ }
+ }
+ else
+ abort ();
+# else
+ /* arg is finite. */
+ if (!(arg == 0.0))
+ abort ();
+
+ pad_ptr = p;
+
+ if (dp->conversion == 'f' || dp->conversion == 'F')
+ {
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ }
+ else if (dp->conversion == 'e' || dp->conversion == 'E')
+ {
+ *p++ = '0';
+ if ((flags & FLAG_ALT) || precision > 0)
+ {
+ *p++ = decimal_point_char ();
+ for (; precision > 0; precision--)
+ *p++ = '0';
+ }
+ *p++ = dp->conversion; /* 'e' or 'E' */
+ *p++ = '+';
+ /* Produce the same number of exponent digits as
+ the native printf implementation. */
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ *p++ = '0';
+# endif
+ *p++ = '0';
+ *p++ = '0';
+ }
+ else if (dp->conversion == 'g' || dp->conversion == 'G')
+ {
+ *p++ = '0';
+ if (flags & FLAG_ALT)
+ {
+ size_t ndigits =
+ (precision > 0 ? precision - 1 : 0);
+ *p++ = decimal_point_char ();
+ for (; ndigits > 0; --ndigits)
+ *p++ = '0';
+ }
+ }
+ else
+ abort ();
+# endif
+ }
+ }
+ }
+# endif
+
+ /* The generated string now extends from tmp to p, with the
+ zero padding insertion point being at pad_ptr. */
+ if (has_width && p - tmp < width)
+ {
+ size_t pad = width - (p - tmp);
+ DCHAR_T *end = p + pad;
+
+ if (flags & FLAG_LEFT)
+ {
+ /* Pad with spaces on the right. */
+ for (; pad > 0; pad--)
+ *p++ = ' ';
+ }
+ else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
+ {
+ /* Pad with zeroes. */
+ DCHAR_T *q = end;
+
+ while (p > pad_ptr)
+ *--q = *--p;
+ for (; pad > 0; pad--)
+ *p++ = '0';
+ }
+ else
+ {
+ /* Pad with spaces on the left. */
+ DCHAR_T *q = end;
+
+ while (p > tmp)
+ *--q = *--p;
+ for (; pad > 0; pad--)
+ *p++ = ' ';
+ }
+
+ p = end;
+ }
+
+ {
+ size_t count = p - tmp;
+
+ if (count >= tmp_length)
+ /* tmp_length was incorrectly calculated - fix the
+ code above! */
+ abort ();
+
+ /* Make room for the result. */
+ if (count >= allocated - length)
+ {
+ size_t n = xsum (length, count);
+
+ ENSURE_ALLOCATION (n);
+ }
+
+ /* Append the result. */
+ memcpy (result + length, tmp, count * sizeof (DCHAR_T));
+ if (tmp != tmpbuf)
+ free (tmp);
+ length += count;
+ }
+ }
+#endif
+ else
+ {
+ arg_type type = a.arg[dp->arg_index].type;
+ int flags = dp->flags;
+#if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
+ int has_width;
+ size_t width;
+#endif
+#if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION
+ int has_precision;
+ size_t precision;
+#endif
+#if NEED_PRINTF_UNBOUNDED_PRECISION
+ int prec_ourselves;
+#else
+# define prec_ourselves 0
+#endif
+#if NEED_PRINTF_FLAG_LEFTADJUST
+# define pad_ourselves 1
+#elif !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
+ int pad_ourselves;
+#else
+# define pad_ourselves 0
+#endif
+ TCHAR_T *fbp;
+ unsigned int prefix_count;
+ int prefixes[2] IF_LINT (= { 0 });
+#if !USE_SNPRINTF
+ size_t tmp_length;
+ TCHAR_T tmpbuf[700];
+ TCHAR_T *tmp;
+#endif
+
+#if !USE_SNPRINTF || !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
+ has_width = 0;
+ width = 0;
+ if (dp->width_start != dp->width_end)
+ {
+ if (dp->width_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->width_arg_index].a.a_int;
+ if (arg < 0)
+ {
+ /* "A negative field width is taken as a '-' flag
+ followed by a positive field width." */
+ flags |= FLAG_LEFT;
+ width = (unsigned int) (-arg);
+ }
+ else
+ width = arg;
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->width_start;
+
+ do
+ width = xsum (xtimes (width, 10), *digitp++ - '0');
+ while (digitp != dp->width_end);
+ }
+ has_width = 1;
+ }
+#endif
+
+#if !USE_SNPRINTF || NEED_PRINTF_UNBOUNDED_PRECISION
+ has_precision = 0;
+ precision = 6;
+ if (dp->precision_start != dp->precision_end)
+ {
+ if (dp->precision_arg_index != ARG_NONE)
+ {
+ int arg;
+
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ arg = a.arg[dp->precision_arg_index].a.a_int;
+ /* "A negative precision is taken as if the precision
+ were omitted." */
+ if (arg >= 0)
+ {
+ precision = arg;
+ has_precision = 1;
+ }
+ }
+ else
+ {
+ const FCHAR_T *digitp = dp->precision_start + 1;
+
+ precision = 0;
+ while (digitp != dp->precision_end)
+ precision = xsum (xtimes (precision, 10), *digitp++ - '0');
+ has_precision = 1;
+ }
+ }
+#endif
+
+ /* Decide whether to handle the precision ourselves. */
+#if NEED_PRINTF_UNBOUNDED_PRECISION
+ switch (dp->conversion)
+ {
+ case 'd': case 'i': case 'u':
+ case 'o':
+ case 'x': case 'X': case 'p':
+ prec_ourselves = has_precision && (precision > 0);
+ break;
+ default:
+ prec_ourselves = 0;
+ break;
+ }
+#endif
+
+ /* Decide whether to perform the padding ourselves. */
+#if !NEED_PRINTF_FLAG_LEFTADJUST && (!DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION)
+ switch (dp->conversion)
+ {
+# if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO
+ /* If we need conversion from TCHAR_T[] to DCHAR_T[], we need
+ to perform the padding after this conversion. Functions
+ with unistdio extensions perform the padding based on
+ character count rather than element count. */
+ case 'c': case 's':
+# endif
+# if NEED_PRINTF_FLAG_ZERO
+ case 'f': case 'F': case 'e': case 'E': case 'g': case 'G':
+ case 'a': case 'A':
+# endif
+ pad_ourselves = 1;
+ break;
+ default:
+ pad_ourselves = prec_ourselves;
+ break;
+ }
+#endif
+
+#if !USE_SNPRINTF
+ /* Allocate a temporary buffer of sufficient size for calling
+ sprintf. */
+ {
+ switch (dp->conversion)
+ {
+
+ case 'd': case 'i': case 'u':
+# if HAVE_LONG_LONG_INT
+ if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
+ * 0.30103 /* binary -> decimal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+# endif
+ if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long) * CHAR_BIT
+ * 0.30103 /* binary -> decimal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+ tmp_length =
+ (unsigned int) (sizeof (unsigned int) * CHAR_BIT
+ * 0.30103 /* binary -> decimal */
+ )
+ + 1; /* turn floor into ceil */
+ if (tmp_length < precision)
+ tmp_length = precision;
+ /* Multiply by 2, as an estimate for FLAG_GROUP. */
+ tmp_length = xsum (tmp_length, tmp_length);
+ /* Add 1, to account for a leading sign. */
+ tmp_length = xsum (tmp_length, 1);
+ break;
+
+ case 'o':
+# if HAVE_LONG_LONG_INT
+ if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
+ * 0.333334 /* binary -> octal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+# endif
+ if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long) * CHAR_BIT
+ * 0.333334 /* binary -> octal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+ tmp_length =
+ (unsigned int) (sizeof (unsigned int) * CHAR_BIT
+ * 0.333334 /* binary -> octal */
+ )
+ + 1; /* turn floor into ceil */
+ if (tmp_length < precision)
+ tmp_length = precision;
+ /* Add 1, to account for a leading sign. */
+ tmp_length = xsum (tmp_length, 1);
+ break;
+
+ case 'x': case 'X':
+# if HAVE_LONG_LONG_INT
+ if (type == TYPE_LONGLONGINT || type == TYPE_ULONGLONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long long) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+# endif
+ if (type == TYPE_LONGINT || type == TYPE_ULONGINT)
+ tmp_length =
+ (unsigned int) (sizeof (unsigned long) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+ tmp_length =
+ (unsigned int) (sizeof (unsigned int) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ if (tmp_length < precision)
+ tmp_length = precision;
+ /* Add 2, to account for a leading sign or alternate form. */
+ tmp_length = xsum (tmp_length, 2);
+ break;
+
+ case 'f': case 'F':
+ if (type == TYPE_LONGDOUBLE)
+ tmp_length =
+ (unsigned int) (LDBL_MAX_EXP
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + 10; /* sign, decimal point etc. */
+ else
+ tmp_length =
+ (unsigned int) (DBL_MAX_EXP
+ * 0.30103 /* binary -> decimal */
+ * 2 /* estimate for FLAG_GROUP */
+ )
+ + 1 /* turn floor into ceil */
+ + 10; /* sign, decimal point etc. */
+ tmp_length = xsum (tmp_length, precision);
+ break;
+
+ case 'e': case 'E': case 'g': case 'G':
+ tmp_length =
+ 12; /* sign, decimal point, exponent etc. */
+ tmp_length = xsum (tmp_length, precision);
+ break;
+
+ case 'a': case 'A':
+ if (type == TYPE_LONGDOUBLE)
+ tmp_length =
+ (unsigned int) (LDBL_DIG
+ * 0.831 /* decimal -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ else
+ tmp_length =
+ (unsigned int) (DBL_DIG
+ * 0.831 /* decimal -> hexadecimal */
+ )
+ + 1; /* turn floor into ceil */
+ if (tmp_length < precision)
+ tmp_length = precision;
+ /* Account for sign, decimal point etc. */
+ tmp_length = xsum (tmp_length, 12);
+ break;
+
+ case 'c':
+# if HAVE_WINT_T && !WIDE_CHAR_VERSION
+ if (type == TYPE_WIDE_CHAR)
+ tmp_length = MB_CUR_MAX;
+ else
+# endif
+ tmp_length = 1;
+ break;
+
+ case 's':
+# if HAVE_WCHAR_T
+ if (type == TYPE_WIDE_STRING)
+ {
+ tmp_length =
+ local_wcslen (a.arg[dp->arg_index].a.a_wide_string);
+
+# if !WIDE_CHAR_VERSION
+ tmp_length = xtimes (tmp_length, MB_CUR_MAX);
+# endif
+ }
+ else
+# endif
+ tmp_length = strlen (a.arg[dp->arg_index].a.a_string);
+ break;
+
+ case 'p':
+ tmp_length =
+ (unsigned int) (sizeof (void *) * CHAR_BIT
+ * 0.25 /* binary -> hexadecimal */
+ )
+ + 1 /* turn floor into ceil */
+ + 2; /* account for leading 0x */
+ break;
+
+ default:
+ abort ();
+ }
+
+ if (!pad_ourselves)
+ {
+# if ENABLE_UNISTDIO
+ /* Padding considers the number of characters, therefore
+ the number of elements after padding may be
+ > max (tmp_length, width)
+ but is certainly
+ <= tmp_length + width. */
+ tmp_length = xsum (tmp_length, width);
+# else
+ /* Padding considers the number of elements,
+ says POSIX. */
+ if (tmp_length < width)
+ tmp_length = width;
+# endif
+ }
+
+ tmp_length = xsum (tmp_length, 1); /* account for trailing NUL */
+ }
+
+ if (tmp_length <= sizeof (tmpbuf) / sizeof (TCHAR_T))
+ tmp = tmpbuf;
+ else
+ {
+ size_t tmp_memsize = xtimes (tmp_length, sizeof (TCHAR_T));
+
+ if (size_overflow_p (tmp_memsize))
+ /* Overflow, would lead to out of memory. */
+ goto out_of_memory;
+ tmp = (TCHAR_T *) malloc (tmp_memsize);
+ if (tmp == NULL)
+ /* Out of memory. */
+ goto out_of_memory;
+ }
+#endif
+
+ /* Construct the format string for calling snprintf or
+ sprintf. */
+ fbp = buf;
+ *fbp++ = '%';
+#if NEED_PRINTF_FLAG_GROUPING
+ /* The underlying implementation doesn't support the ' flag.
+ Produce no grouping characters in this case; this is
+ acceptable because the grouping is locale dependent. */
+#else
+ if (flags & FLAG_GROUP)
+ *fbp++ = '\'';
+#endif
+ if (flags & FLAG_LEFT)
+ *fbp++ = '-';
+ if (flags & FLAG_SHOWSIGN)
+ *fbp++ = '+';
+ if (flags & FLAG_SPACE)
+ *fbp++ = ' ';
+ if (flags & FLAG_ALT)
+ *fbp++ = '#';
+ if (!pad_ourselves)
+ {
+ if (flags & FLAG_ZERO)
+ *fbp++ = '0';
+ if (dp->width_start != dp->width_end)
+ {
+ size_t n = dp->width_end - dp->width_start;
+ /* The width specification is known to consist only
+ of standard ASCII characters. */
+ if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
+ {
+ memcpy (fbp, dp->width_start, n * sizeof (TCHAR_T));
+ fbp += n;
+ }
+ else
+ {
+ const FCHAR_T *mp = dp->width_start;
+ do
+ *fbp++ = (unsigned char) *mp++;
+ while (--n > 0);
+ }
+ }
+ }
+ if (!prec_ourselves)
+ {
+ if (dp->precision_start != dp->precision_end)
+ {
+ size_t n = dp->precision_end - dp->precision_start;
+ /* The precision specification is known to consist only
+ of standard ASCII characters. */
+ if (sizeof (FCHAR_T) == sizeof (TCHAR_T))
+ {
+ memcpy (fbp, dp->precision_start, n * sizeof (TCHAR_T));
+ fbp += n;
+ }
+ else
+ {
+ const FCHAR_T *mp = dp->precision_start;
+ do
+ *fbp++ = (unsigned char) *mp++;
+ while (--n > 0);
+ }
+ }
+ }
+
+ switch (type)
+ {
+#if HAVE_LONG_LONG_INT
+ case TYPE_LONGLONGINT:
+ case TYPE_ULONGLONGINT:
+# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+ *fbp++ = 'I';
+ *fbp++ = '6';
+ *fbp++ = '4';
+ break;
+# else
+ *fbp++ = 'l';
+ /*FALLTHROUGH*/
+# endif
+#endif
+ case TYPE_LONGINT:
+ case TYPE_ULONGINT:
+#if HAVE_WINT_T
+ case TYPE_WIDE_CHAR:
+#endif
+#if HAVE_WCHAR_T
+ case TYPE_WIDE_STRING:
+#endif
+ *fbp++ = 'l';
+ break;
+ case TYPE_LONGDOUBLE:
+ *fbp++ = 'L';
+ break;
+ default:
+ break;
+ }
+#if NEED_PRINTF_DIRECTIVE_F
+ if (dp->conversion == 'F')
+ *fbp = 'f';
+ else
+#endif
+ *fbp = dp->conversion;
+#if USE_SNPRINTF
+# if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
+ fbp[1] = '%';
+ fbp[2] = 'n';
+ fbp[3] = '\0';
+# else
+ /* On glibc2 systems from glibc >= 2.3 - probably also older
+ ones - we know that snprintf's returns value conforms to
+ ISO C 99: the gl_SNPRINTF_DIRECTIVE_N test passes.
+ Therefore we can avoid using %n in this situation.
+ On glibc2 systems from 2004-10-18 or newer, the use of %n
+ in format strings in writable memory may crash the program
+ (if compiled with _FORTIFY_SOURCE=2), so we should avoid it
+ in this situation. */
+ /* On native Win32 systems (such as mingw), we can avoid using
+ %n because:
+ - Although the gl_SNPRINTF_TRUNCATION_C99 test fails,
+ snprintf does not write more than the specified number
+ of bytes. (snprintf (buf, 3, "%d %d", 4567, 89) writes
+ '4', '5', '6' into buf, not '4', '5', '\0'.)
+ - Although the gl_SNPRINTF_RETVAL_C99 test fails, snprintf
+ allows us to recognize the case of an insufficient
+ buffer size: it returns -1 in this case.
+ On native Win32 systems (such as mingw) where the OS is
+ Windows Vista, the use of %n in format strings by default
+ crashes the program. See
+ <http://gcc.gnu.org/ml/gcc/2007-06/msg00122.html> and
+ <http://msdn2.microsoft.com/en-us/library/ms175782(VS.80).aspx>
+ So we should avoid %n in this situation. */
+ fbp[1] = '\0';
+# endif
+#else
+ fbp[1] = '\0';
+#endif
+
+ /* Construct the arguments for calling snprintf or sprintf. */
+ prefix_count = 0;
+ if (!pad_ourselves && dp->width_arg_index != ARG_NONE)
+ {
+ if (!(a.arg[dp->width_arg_index].type == TYPE_INT))
+ abort ();
+ prefixes[prefix_count++] = a.arg[dp->width_arg_index].a.a_int;
+ }
+ if (!prec_ourselves && dp->precision_arg_index != ARG_NONE)
+ {
+ if (!(a.arg[dp->precision_arg_index].type == TYPE_INT))
+ abort ();
+ prefixes[prefix_count++] = a.arg[dp->precision_arg_index].a.a_int;
+ }
+
+#if USE_SNPRINTF
+ /* The SNPRINTF result is appended after result[0..length].
+ The latter is an array of DCHAR_T; SNPRINTF appends an
+ array of TCHAR_T to it. This is possible because
+ sizeof (TCHAR_T) divides sizeof (DCHAR_T) and
+ alignof (TCHAR_T) <= alignof (DCHAR_T). */
+# define TCHARS_PER_DCHAR (sizeof (DCHAR_T) / sizeof (TCHAR_T))
+ /* Ensure that maxlen below will be >= 2. Needed on BeOS,
+ where an snprintf() with maxlen==1 acts like sprintf(). */
+ ENSURE_ALLOCATION (xsum (length,
+ (2 + TCHARS_PER_DCHAR - 1)
+ / TCHARS_PER_DCHAR));
+ /* Prepare checking whether snprintf returns the count
+ via %n. */
+ *(TCHAR_T *) (result + length) = '\0';
+#endif
+
+ for (;;)
+ {
+ int count = -1;
+
+#if USE_SNPRINTF
+ int retcount = 0;
+ size_t maxlen = allocated - length;
+ /* SNPRINTF can fail if its second argument is
+ > INT_MAX. */
+ if (maxlen > INT_MAX / TCHARS_PER_DCHAR)
+ maxlen = INT_MAX / TCHARS_PER_DCHAR;
+ maxlen = maxlen * TCHARS_PER_DCHAR;
+# define SNPRINTF_BUF(arg) \
+ switch (prefix_count) \
+ { \
+ case 0: \
+ retcount = SNPRINTF ((TCHAR_T *) (result + length), \
+ maxlen, buf, \
+ arg, &count); \
+ break; \
+ case 1: \
+ retcount = SNPRINTF ((TCHAR_T *) (result + length), \
+ maxlen, buf, \
+ prefixes[0], arg, &count); \
+ break; \
+ case 2: \
+ retcount = SNPRINTF ((TCHAR_T *) (result + length), \
+ maxlen, buf, \
+ prefixes[0], prefixes[1], arg, \
+ &count); \
+ break; \
+ default: \
+ abort (); \
+ }
+#else
+# define SNPRINTF_BUF(arg) \
+ switch (prefix_count) \
+ { \
+ case 0: \
+ count = sprintf (tmp, buf, arg); \
+ break; \
+ case 1: \
+ count = sprintf (tmp, buf, prefixes[0], arg); \
+ break; \
+ case 2: \
+ count = sprintf (tmp, buf, prefixes[0], prefixes[1],\
+ arg); \
+ break; \
+ default: \
+ abort (); \
+ }
+#endif
+
+ switch (type)
+ {
+ case TYPE_SCHAR:
+ {
+ int arg = a.arg[dp->arg_index].a.a_schar;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_UCHAR:
+ {
+ unsigned int arg = a.arg[dp->arg_index].a.a_uchar;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_SHORT:
+ {
+ int arg = a.arg[dp->arg_index].a.a_short;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_USHORT:
+ {
+ unsigned int arg = a.arg[dp->arg_index].a.a_ushort;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_INT:
+ {
+ int arg = a.arg[dp->arg_index].a.a_int;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_UINT:
+ {
+ unsigned int arg = a.arg[dp->arg_index].a.a_uint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_LONGINT:
+ {
+ long int arg = a.arg[dp->arg_index].a.a_longint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_ULONGINT:
+ {
+ unsigned long int arg = a.arg[dp->arg_index].a.a_ulongint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#if HAVE_LONG_LONG_INT
+ case TYPE_LONGLONGINT:
+ {
+ long long int arg = a.arg[dp->arg_index].a.a_longlongint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_ULONGLONGINT:
+ {
+ unsigned long long int arg = a.arg[dp->arg_index].a.a_ulonglongint;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_DOUBLE:
+ {
+ double arg = a.arg[dp->arg_index].a.a_double;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_LONGDOUBLE:
+ {
+ long double arg = a.arg[dp->arg_index].a.a_longdouble;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ case TYPE_CHAR:
+ {
+ int arg = a.arg[dp->arg_index].a.a_char;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#if HAVE_WINT_T
+ case TYPE_WIDE_CHAR:
+ {
+ wint_t arg = a.arg[dp->arg_index].a.a_wide_char;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_STRING:
+ {
+ const char *arg = a.arg[dp->arg_index].a.a_string;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#if HAVE_WCHAR_T
+ case TYPE_WIDE_STRING:
+ {
+ const wchar_t *arg = a.arg[dp->arg_index].a.a_wide_string;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+#endif
+ case TYPE_POINTER:
+ {
+ void *arg = a.arg[dp->arg_index].a.a_pointer;
+ SNPRINTF_BUF (arg);
+ }
+ break;
+ default:
+ abort ();
+ }
+
+#if USE_SNPRINTF
+ /* Portability: Not all implementations of snprintf()
+ are ISO C 99 compliant. Determine the number of
+ bytes that snprintf() has produced or would have
+ produced. */
+ if (count >= 0)
+ {
+ /* Verify that snprintf() has NUL-terminated its
+ result. */
+ if (count < maxlen
+ && ((TCHAR_T *) (result + length)) [count] != '\0')
+ abort ();
+ /* Portability hack. */
+ if (retcount > count)
+ count = retcount;
+ }
+ else
+ {
+ /* snprintf() doesn't understand the '%n'
+ directive. */
+ if (fbp[1] != '\0')
+ {
+ /* Don't use the '%n' directive; instead, look
+ at the snprintf() return value. */
+ fbp[1] = '\0';
+ continue;
+ }
+ else
+ {
+ /* Look at the snprintf() return value. */
+ if (retcount < 0)
+ {
+ /* HP-UX 10.20 snprintf() is doubly deficient:
+ It doesn't understand the '%n' directive,
+ *and* it returns -1 (rather than the length
+ that would have been required) when the
+ buffer is too small. */
+ size_t bigger_need =
+ xsum (xtimes (allocated, 2), 12);
+ ENSURE_ALLOCATION (bigger_need);
+ continue;
+ }
+ else
+ count = retcount;
+ }
+ }
+#endif
+
+ /* Attempt to handle failure. */
+ if (count < 0)
+ {
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EINVAL;
+ return NULL;
+ }
+
+#if USE_SNPRINTF
+ /* Handle overflow of the allocated buffer.
+ If such an overflow occurs, a C99 compliant snprintf()
+ returns a count >= maxlen. However, a non-compliant
+ snprintf() function returns only count = maxlen - 1. To
+ cover both cases, test whether count >= maxlen - 1. */
+ if ((unsigned int) count + 1 >= maxlen)
+ {
+ /* If maxlen already has attained its allowed maximum,
+ allocating more memory will not increase maxlen.
+ Instead of looping, bail out. */
+ if (maxlen == INT_MAX / TCHARS_PER_DCHAR)
+ goto overflow;
+ else
+ {
+ /* Need at least (count + 1) * sizeof (TCHAR_T)
+ bytes. (The +1 is for the trailing NUL.)
+ But ask for (count + 2) * sizeof (TCHAR_T)
+ bytes, so that in the next round, we likely get
+ maxlen > (unsigned int) count + 1
+ and so we don't get here again.
+ And allocate proportionally, to avoid looping
+ eternally if snprintf() reports a too small
+ count. */
+ size_t n =
+ xmax (xsum (length,
+ ((unsigned int) count + 2
+ + TCHARS_PER_DCHAR - 1)
+ / TCHARS_PER_DCHAR),
+ xtimes (allocated, 2));
+
+ ENSURE_ALLOCATION (n);
+ continue;
+ }
+ }
+#endif
+
+#if NEED_PRINTF_UNBOUNDED_PRECISION
+ if (prec_ourselves)
+ {
+ /* Handle the precision. */
+ TCHAR_T *prec_ptr =
+# if USE_SNPRINTF
+ (TCHAR_T *) (result + length);
+# else
+ tmp;
+# endif
+ size_t prefix_count;
+ size_t move;
+
+ prefix_count = 0;
+ /* Put the additional zeroes after the sign. */
+ if (count >= 1
+ && (*prec_ptr == '-' || *prec_ptr == '+'
+ || *prec_ptr == ' '))
+ prefix_count = 1;
+ /* Put the additional zeroes after the 0x prefix if
+ (flags & FLAG_ALT) || (dp->conversion == 'p'). */
+ else if (count >= 2
+ && prec_ptr[0] == '0'
+ && (prec_ptr[1] == 'x' || prec_ptr[1] == 'X'))
+ prefix_count = 2;
+
+ move = count - prefix_count;
+ if (precision > move)
+ {
+ /* Insert zeroes. */
+ size_t insert = precision - move;
+ TCHAR_T *prec_end;
+
+# if USE_SNPRINTF
+ size_t n =
+ xsum (length,
+ (count + insert + TCHARS_PER_DCHAR - 1)
+ / TCHARS_PER_DCHAR);
+ length += (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
+ ENSURE_ALLOCATION (n);
+ length -= (count + TCHARS_PER_DCHAR - 1) / TCHARS_PER_DCHAR;
+ prec_ptr = (TCHAR_T *) (result + length);
+# endif
+
+ prec_end = prec_ptr + count;
+ prec_ptr += prefix_count;
+
+ while (prec_end > prec_ptr)
+ {
+ prec_end--;
+ prec_end[insert] = prec_end[0];
+ }
+
+ prec_end += insert;
+ do
+ *--prec_end = '0';
+ while (prec_end > prec_ptr);
+
+ count += insert;
+ }
+ }
+#endif
+
+#if !USE_SNPRINTF
+ if (count >= tmp_length)
+ /* tmp_length was incorrectly calculated - fix the
+ code above! */
+ abort ();
+#endif
+
+#if !DCHAR_IS_TCHAR
+ /* Convert from TCHAR_T[] to DCHAR_T[]. */
+ if (dp->conversion == 'c' || dp->conversion == 's')
+ {
+ /* type = TYPE_CHAR or TYPE_WIDE_CHAR or TYPE_STRING
+ TYPE_WIDE_STRING.
+ The result string is not certainly ASCII. */
+ const TCHAR_T *tmpsrc;
+ DCHAR_T *tmpdst;
+ size_t tmpdst_len;
+ /* This code assumes that TCHAR_T is 'char'. */
+ typedef int TCHAR_T_verify
+ [2 * (sizeof (TCHAR_T) == 1) - 1];
+# if USE_SNPRINTF
+ tmpsrc = (TCHAR_T *) (result + length);
+# else
+ tmpsrc = tmp;
+# endif
+ tmpdst = NULL;
+ tmpdst_len = 0;
+ if (DCHAR_CONV_FROM_ENCODING (locale_charset (),
+ iconveh_question_mark,
+ tmpsrc, count,
+ NULL,
+ &tmpdst, &tmpdst_len)
+ < 0)
+ {
+ int saved_errno = errno;
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = saved_errno;
+ return NULL;
+ }
+ ENSURE_ALLOCATION (xsum (length, tmpdst_len));
+ DCHAR_CPY (result + length, tmpdst, tmpdst_len);
+ free (tmpdst);
+ count = tmpdst_len;
+ }
+ else
+ {
+ /* The result string is ASCII.
+ Simple 1:1 conversion. */
+# if USE_SNPRINTF
+ /* If sizeof (DCHAR_T) == sizeof (TCHAR_T), it's a
+ no-op conversion, in-place on the array starting
+ at (result + length). */
+ if (sizeof (DCHAR_T) != sizeof (TCHAR_T))
+# endif
+ {
+ const TCHAR_T *tmpsrc;
+ DCHAR_T *tmpdst;
+ size_t n;
+
+# if USE_SNPRINTF
+ if (result == resultbuf)
+ {
+ tmpsrc = (TCHAR_T *) (result + length);
+ /* ENSURE_ALLOCATION will not move tmpsrc
+ (because it's part of resultbuf). */
+ ENSURE_ALLOCATION (xsum (length, count));
+ }
+ else
+ {
+ /* ENSURE_ALLOCATION will move the array
+ (because it uses realloc(). */
+ ENSURE_ALLOCATION (xsum (length, count));
+ tmpsrc = (TCHAR_T *) (result + length);
+ }
+# else
+ tmpsrc = tmp;
+ ENSURE_ALLOCATION (xsum (length, count));
+# endif
+ tmpdst = result + length;
+ /* Copy backwards, because of overlapping. */
+ tmpsrc += count;
+ tmpdst += count;
+ for (n = count; n > 0; n--)
+ *--tmpdst = (unsigned char) *--tmpsrc;
+ }
+ }
+#endif
+
+#if DCHAR_IS_TCHAR && !USE_SNPRINTF
+ /* Make room for the result. */
+ if (count > allocated - length)
+ {
+ /* Need at least count elements. But allocate
+ proportionally. */
+ size_t n =
+ xmax (xsum (length, count), xtimes (allocated, 2));
+
+ ENSURE_ALLOCATION (n);
+ }
+#endif
+
+ /* Here count <= allocated - length. */
+
+ /* Perform padding. */
+#if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO || NEED_PRINTF_FLAG_LEFTADJUST || NEED_PRINTF_FLAG_ZERO || NEED_PRINTF_UNBOUNDED_PRECISION
+ if (pad_ourselves && has_width)
+ {
+ size_t w;
+# if ENABLE_UNISTDIO
+ /* Outside POSIX, it's preferrable to compare the width
+ against the number of _characters_ of the converted
+ value. */
+ w = DCHAR_MBSNLEN (result + length, count);
+# else
+ /* The width is compared against the number of _bytes_
+ of the converted value, says POSIX. */
+ w = count;
+# endif
+ if (w < width)
+ {
+ size_t pad = width - w;
+
+ /* Make room for the result. */
+ if (xsum (count, pad) > allocated - length)
+ {
+ /* Need at least count + pad elements. But
+ allocate proportionally. */
+ size_t n =
+ xmax (xsum3 (length, count, pad),
+ xtimes (allocated, 2));
+
+# if USE_SNPRINTF
+ length += count;
+ ENSURE_ALLOCATION (n);
+ length -= count;
+# else
+ ENSURE_ALLOCATION (n);
+# endif
+ }
+ /* Here count + pad <= allocated - length. */
+
+ {
+# if !DCHAR_IS_TCHAR || USE_SNPRINTF
+ DCHAR_T * const rp = result + length;
+# else
+ DCHAR_T * const rp = tmp;
+# endif
+ DCHAR_T *p = rp + count;
+ DCHAR_T *end = p + pad;
+ DCHAR_T *pad_ptr;
+# if !DCHAR_IS_TCHAR || ENABLE_UNISTDIO
+ if (dp->conversion == 'c'
+ || dp->conversion == 's')
+ /* No zero-padding for string directives. */
+ pad_ptr = NULL;
+ else
+# endif
+ {
+ pad_ptr = (*rp == '-' ? rp + 1 : rp);
+ /* No zero-padding of "inf" and "nan". */
+ if ((*pad_ptr >= 'A' && *pad_ptr <= 'Z')
+ || (*pad_ptr >= 'a' && *pad_ptr <= 'z'))
+ pad_ptr = NULL;
+ }
+ /* The generated string now extends from rp to p,
+ with the zero padding insertion point being at
+ pad_ptr. */
+
+ count = count + pad; /* = end - rp */
+
+ if (flags & FLAG_LEFT)
+ {
+ /* Pad with spaces on the right. */
+ for (; pad > 0; pad--)
+ *p++ = ' ';
+ }
+ else if ((flags & FLAG_ZERO) && pad_ptr != NULL)
+ {
+ /* Pad with zeroes. */
+ DCHAR_T *q = end;
+
+ while (p > pad_ptr)
+ *--q = *--p;
+ for (; pad > 0; pad--)
+ *p++ = '0';
+ }
+ else
+ {
+ /* Pad with spaces on the left. */
+ DCHAR_T *q = end;
+
+ while (p > rp)
+ *--q = *--p;
+ for (; pad > 0; pad--)
+ *p++ = ' ';
+ }
+ }
+ }
+ }
+#endif
+
+ /* Here still count <= allocated - length. */
+
+#if !DCHAR_IS_TCHAR || USE_SNPRINTF
+ /* The snprintf() result did fit. */
+#else
+ /* Append the sprintf() result. */
+ memcpy (result + length, tmp, count * sizeof (DCHAR_T));
+#endif
+#if !USE_SNPRINTF
+ if (tmp != tmpbuf)
+ free (tmp);
+#endif
+
+#if NEED_PRINTF_DIRECTIVE_F
+ if (dp->conversion == 'F')
+ {
+ /* Convert the %f result to upper case for %F. */
+ DCHAR_T *rp = result + length;
+ size_t rc;
+ for (rc = count; rc > 0; rc--, rp++)
+ if (*rp >= 'a' && *rp <= 'z')
+ *rp = *rp - 'a' + 'A';
+ }
+#endif
+
+ length += count;
+ break;
+ }
+ }
+ }
+ }
+
+ /* Add the final NUL. */
+ ENSURE_ALLOCATION (xsum (length, 1));
+ result[length] = '\0';
+
+ if (result != resultbuf && length + 1 < allocated)
+ {
+ /* Shrink the allocated memory if possible. */
+ DCHAR_T *memory;
+
+ memory = (DCHAR_T *) realloc (result, (length + 1) * sizeof (DCHAR_T));
+ if (memory != NULL)
+ result = memory;
+ }
+
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ *lengthp = length;
+ /* Note that we can produce a big string of a length > INT_MAX. POSIX
+ says that snprintf() fails with errno = EOVERFLOW in this case, but
+ that's only because snprintf() returns an 'int'. This function does
+ not have this limitation. */
+ return result;
+
+#if USE_SNPRINTF
+ overflow:
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ CLEANUP ();
+ errno = EOVERFLOW;
+ return NULL;
+#endif
+
+ out_of_memory:
+ if (!(result == resultbuf || result == NULL))
+ free (result);
+ if (buf_malloced != NULL)
+ free (buf_malloced);
+ out_of_memory_1:
+ CLEANUP ();
+ errno = ENOMEM;
+ return NULL;
+ }
+}
+
+#undef TCHARS_PER_DCHAR
+#undef SNPRINTF
+#undef USE_SNPRINTF
+#undef DCHAR_CPY
+#undef PRINTF_PARSE
+#undef DIRECTIVES
+#undef DIRECTIVE
+#undef DCHAR_IS_TCHAR
+#undef TCHAR_T
+#undef DCHAR_T
+#undef FCHAR_T
+#undef VASNPRINTF
diff --git a/gl/vasnprintf.h b/gl/vasnprintf.h
new file mode 100644
index 0000000000..b9a3d6edcd
--- /dev/null
+++ b/gl/vasnprintf.h
@@ -0,0 +1,81 @@
+/* vsprintf with automatic memory allocation.
+ Copyright (C) 2002-2004, 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _VASNPRINTF_H
+#define _VASNPRINTF_H
+
+/* Get va_list. */
+#include <stdarg.h>
+
+/* Get size_t. */
+#include <stddef.h>
+
+#ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Write formatted output to a string dynamically allocated with malloc().
+ You can pass a preallocated buffer for the result in RESULTBUF and its
+ size in *LENGTHP; otherwise you pass RESULTBUF = NULL.
+ If successful, return the address of the string (this may be = RESULTBUF
+ if no dynamic memory allocation was necessary) and set *LENGTHP to the
+ number of resulting bytes, excluding the trailing NUL. Upon error, set
+ errno and return NULL.
+
+ When dynamic memory allocation occurs, the preallocated buffer is left
+ alone (with possibly modified contents). This makes it possible to use
+ a statically allocated or stack-allocated buffer, like this:
+
+ char buf[100];
+ size_t len = sizeof (buf);
+ char *output = vasnprintf (buf, &len, format, args);
+ if (output == NULL)
+ ... error handling ...;
+ else
+ {
+ ... use the output string ...;
+ if (output != buf)
+ free (output);
+ }
+ */
+#if REPLACE_VASNPRINTF
+# define asnprintf rpl_asnprintf
+# define vasnprintf rpl_vasnprintf
+#endif
+extern char * asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+extern char * vasnprintf (char *resultbuf, size_t *lengthp, const char *format, va_list args)
+ __attribute__ ((__format__ (__printf__, 3, 0)));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _VASNPRINTF_H */
diff --git a/gl/wchar.in.h b/gl/wchar.in.h
new file mode 100644
index 0000000000..563c3d8d81
--- /dev/null
+++ b/gl/wchar.in.h
@@ -0,0 +1,101 @@
+/* A substitute for ISO C99 <wchar.h>, for platforms that have issues.
+
+ Copyright (C) 2007-2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Eric Blake. */
+
+/*
+ * ISO C 99 <wchar.h> for platforms that have issues.
+ * <http://www.opengroup.org/susv3xbd/wchar.h.html>
+ *
+ * For now, this just ensures proper prerequisite inclusion order and
+ * the declaration of wcwidth().
+ */
+
+#if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+#endif
+
+#ifdef __need_mbstate_t
+/* Special invocation convention inside uClibc header files. */
+
+#@INCLUDE_NEXT@ @NEXT_WCHAR_H@
+
+#else
+/* Normal invocation convention. */
+
+#ifndef _GL_WCHAR_H
+
+/* Tru64 with Desktop Toolkit C has a bug: <stdio.h> must be included before
+ <wchar.h>.
+ BSD/OS 4.0.1 has a bug: <stddef.h>, <stdio.h> and <time.h> must be
+ included before <wchar.h>. */
+#include <stddef.h>
+#include <stdio.h>
+#include <time.h>
+
+/* Include the original <wchar.h> if it exists.
+ Some builds of uClibc lack it. */
+/* The include_next requires a split double-inclusion guard. */
+#if @HAVE_WCHAR_H@
+# @INCLUDE_NEXT@ @NEXT_WCHAR_H@
+#endif
+
+#ifndef _GL_WCHAR_H
+#define _GL_WCHAR_H
+
+/* The definition of GL_LINK_WARNING is copied here. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Define wint_t. (Also done in wctype.in.h.) */
+#if !@HAVE_WINT_T@ && !defined wint_t
+# define wint_t int
+#endif
+
+
+/* Return the number of screen columns needed for WC. */
+#if @GNULIB_WCWIDTH@
+# if @REPLACE_WCWIDTH@
+# undef wcwidth
+# define wcwidth rpl_wcwidth
+extern int wcwidth (wchar_t);
+# else
+# if !defined wcwidth && !@HAVE_DECL_WCWIDTH@
+/* wcwidth exists but is not declared. */
+extern int wcwidth (int /* actually wchar_t */);
+# endif
+# endif
+#elif defined GNULIB_POSIXCHECK
+# undef wcwidth
+# define wcwidth(w) \
+ (GL_LINK_WARNING ("wcwidth is unportable - " \
+ "use gnulib module wcwidth for portability"), \
+ wcwidth (w))
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _GL_WCHAR_H */
+#endif /* _GL_WCHAR_H */
+#endif
diff --git a/gl/xsize.h b/gl/xsize.h
new file mode 100644
index 0000000000..284cf7f6e1
--- /dev/null
+++ b/gl/xsize.h
@@ -0,0 +1,108 @@
+/* xsize.h -- Checked size_t computations.
+
+ Copyright (C) 2003, 2008 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+#ifndef _XSIZE_H
+#define _XSIZE_H
+
+/* Get size_t. */
+#include <stddef.h>
+
+/* Get SIZE_MAX. */
+#include <limits.h>
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+/* The size of memory objects is often computed through expressions of
+ type size_t. Example:
+ void* p = malloc (header_size + n * element_size).
+ These computations can lead to overflow. When this happens, malloc()
+ returns a piece of memory that is way too small, and the program then
+ crashes while attempting to fill the memory.
+ To avoid this, the functions and macros in this file check for overflow.
+ The convention is that SIZE_MAX represents overflow.
+ malloc (SIZE_MAX) is not guaranteed to fail -- think of a malloc
+ implementation that uses mmap --, it's recommended to use size_overflow_p()
+ or size_in_bounds_p() before invoking malloc().
+ The example thus becomes:
+ size_t size = xsum (header_size, xtimes (n, element_size));
+ void *p = (size_in_bounds_p (size) ? malloc (size) : NULL);
+*/
+
+/* Convert an arbitrary value >= 0 to type size_t. */
+#define xcast_size_t(N) \
+ ((N) <= SIZE_MAX ? (size_t) (N) : SIZE_MAX)
+
+/* Sum of two sizes, with overflow check. */
+static inline size_t
+#if __GNUC__ >= 3
+__attribute__ ((__pure__))
+#endif
+xsum (size_t size1, size_t size2)
+{
+ size_t sum = size1 + size2;
+ return (sum >= size1 ? sum : SIZE_MAX);
+}
+
+/* Sum of three sizes, with overflow check. */
+static inline size_t
+#if __GNUC__ >= 3
+__attribute__ ((__pure__))
+#endif
+xsum3 (size_t size1, size_t size2, size_t size3)
+{
+ return xsum (xsum (size1, size2), size3);
+}
+
+/* Sum of four sizes, with overflow check. */
+static inline size_t
+#if __GNUC__ >= 3
+__attribute__ ((__pure__))
+#endif
+xsum4 (size_t size1, size_t size2, size_t size3, size_t size4)
+{
+ return xsum (xsum (xsum (size1, size2), size3), size4);
+}
+
+/* Maximum of two sizes, with overflow check. */
+static inline size_t
+#if __GNUC__ >= 3
+__attribute__ ((__pure__))
+#endif
+xmax (size_t size1, size_t size2)
+{
+ /* No explicit check is needed here, because for any n:
+ max (SIZE_MAX, n) == SIZE_MAX and max (n, SIZE_MAX) == SIZE_MAX. */
+ return (size1 >= size2 ? size1 : size2);
+}
+
+/* Multiplication of a count with an element size, with overflow check.
+ The count must be >= 0 and the element size must be > 0.
+ This is a macro, not an inline function, so that it works correctly even
+ when N is of a wider type and N > SIZE_MAX. */
+#define xtimes(N, ELSIZE) \
+ ((N) <= SIZE_MAX / (ELSIZE) ? (size_t) (N) * (ELSIZE) : SIZE_MAX)
+
+/* Check for overflow. */
+#define size_overflow_p(SIZE) \
+ ((SIZE) == SIZE_MAX)
+/* Check against overflow. */
+#define size_in_bounds_p(SIZE) \
+ ((SIZE) != SIZE_MAX)
+
+#endif /* _XSIZE_H */