Update gnulib files.

14 files changed, 81 insertions, 109 deletions

diff --git a/lgl/Makefile.am b/lgl/Makefile.am
index d63b3dd98f..a545762b05 100644
--- a/lgl/Makefile.am
+++ b/lgl/Makefile.am
@@ -646,7 +646,6 @@ unistd.h: unistd.in.h
 	      -e 's|@''GNULIB_FCHDIR''@|$(GNULIB_FCHDIR)|g' \
 	      -e 's|@''GNULIB_FTRUNCATE''@|$(GNULIB_FTRUNCATE)|g' \
 	      -e 's|@''GNULIB_GETCWD''@|$(GNULIB_GETCWD)|g' \
- 	      -e 's|@''GNULIB_GETHOSTNAME''@|$(GNULIB_GETHOSTNAME)|g' \
 	      -e 's|@''GNULIB_GETLOGIN_R''@|$(GNULIB_GETLOGIN_R)|g' \
 	      -e 's|@''GNULIB_GETPAGESIZE''@|$(GNULIB_GETPAGESIZE)|g' \
 	      -e 's|@''GNULIB_LCHOWN''@|$(GNULIB_LCHOWN)|g' \
@@ -658,7 +657,6 @@ unistd.h: unistd.in.h
 	      -e 's|@''HAVE_GETPAGESIZE''@|$(HAVE_GETPAGESIZE)|g' \
 	      -e 's|@''HAVE_READLINK''@|$(HAVE_READLINK)|g' \
 	      -e 's|@''HAVE_SLEEP''@|$(HAVE_SLEEP)|g' \
-	      -e 's|@''HAVE_DECL_GETHOSTNAME''@|$(HAVE_DECL_GETHOSTNAME)|g' \
 	      -e 's|@''HAVE_DECL_GETLOGIN_R''@|$(HAVE_DECL_GETLOGIN_R)|g' \
 	      -e 's|@''HAVE_OS_H''@|$(HAVE_OS_H)|g' \
 	      -e 's|@''HAVE_SYS_PARAM_H''@|$(HAVE_SYS_PARAM_H)|g' \
diff --git a/lgl/m4/md4.m4 b/lgl/m4/md4.m4
index 22a7bdee3e..dda2b1b911 100644
--- a/lgl/m4/md4.m4
+++ b/lgl/m4/md4.m4
@@ -1,5 +1,5 @@
-# md4.m4 serial 2
-dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# md4.m4 serial 3
+dnl Copyright (C) 2002, 2003, 2004, 2005, 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.
@@ -10,4 +10,5 @@ AC_DEFUN([gl_MD4],
 
   dnl Prerequisites of lib/md4.c.
   AC_REQUIRE([AC_C_BIGENDIAN])
+  AC_REQUIRE([AC_C_INLINE])
 ])
diff --git a/lgl/m4/md5.m4 b/lgl/m4/md5.m4
index 5a1f8755a0..e4d00f3fee 100644
--- a/lgl/m4/md5.m4
+++ b/lgl/m4/md5.m4
@@ -1,5 +1,5 @@
-# md5.m4 serial 9
-dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# md5.m4 serial 10
+dnl Copyright (C) 2002, 2003, 2004, 2005, 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.
@@ -10,5 +10,6 @@ AC_DEFUN([gl_MD5],
 
   dnl Prerequisites of lib/md5.c.
   AC_REQUIRE([AC_C_BIGENDIAN])
+  AC_REQUIRE([AC_C_INLINE])
   :
 ])
diff --git a/lgl/m4/sha1.m4 b/lgl/m4/sha1.m4
index c6e6184b2c..12711fae26 100644
--- a/lgl/m4/sha1.m4
+++ b/lgl/m4/sha1.m4
@@ -1,5 +1,5 @@
-# sha1.m4 serial 7
-dnl Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+# sha1.m4 serial 8
+dnl Copyright (C) 2002, 2003, 2004, 2005, 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.
@@ -10,5 +10,6 @@ AC_DEFUN([gl_SHA1],
 
   dnl Prerequisites of lib/sha1.c.
   AC_REQUIRE([AC_C_BIGENDIAN])
+  AC_REQUIRE([AC_C_INLINE])
   :
 ])
diff --git a/lgl/m4/unistd_h.m4 b/lgl/m4/unistd_h.m4
index daf7677886..4b8857ca5b 100644
--- a/lgl/m4/unistd_h.m4
+++ b/lgl/m4/unistd_h.m4
@@ -1,5 +1,5 @@
 # unistd_h.m4 serial 10
-dnl Copyright (C) 2006-2008 Free Software Foundation, Inc.
+dnl Copyright (C) 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.
@@ -37,7 +37,6 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   GNULIB_FCHDIR=0;        AC_SUBST([GNULIB_FCHDIR])
   GNULIB_FTRUNCATE=0;     AC_SUBST([GNULIB_FTRUNCATE])
   GNULIB_GETCWD=0;        AC_SUBST([GNULIB_GETCWD])
-  GNULIB_GETHOSTNAME=0;   AC_SUBST([GNULIB_GETHOSTNAME])
   GNULIB_GETLOGIN_R=0;    AC_SUBST([GNULIB_GETLOGIN_R])
   GNULIB_GETPAGESIZE=0;   AC_SUBST([GNULIB_GETPAGESIZE])
   GNULIB_LCHOWN=0;        AC_SUBST([GNULIB_LCHOWN])
@@ -50,7 +49,6 @@ AC_DEFUN([gl_UNISTD_H_DEFAULTS],
   HAVE_GETPAGESIZE=1;     AC_SUBST([HAVE_GETPAGESIZE])
   HAVE_READLINK=1;        AC_SUBST([HAVE_READLINK])
   HAVE_SLEEP=1;           AC_SUBST([HAVE_SLEEP])
-  HAVE_DECL_GETHOSTNAME=1;AC_SUBST([HAVE_DECL_GETHOSTNAME])
   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])
diff --git a/lgl/md2.c b/lgl/md2.c
index 63033ef568..1897599534 100644
--- a/lgl/md2.c
+++ b/lgl/md2.c
@@ -1,6 +1,6 @@
 /* Functions to compute MD2 message digest of files or memory blocks.
    according to the definition of MD2 in RFC 1319 from April 1992.
-   Copyright (C) 1995,1996,1997,1999,2000,2001,2002,2003,2005,2006
+   Copyright (C) 1995,1996,1997,1999,2000,2001,2002,2003,2005,2006,2008
    Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
@@ -53,10 +53,7 @@ md2_init_ctx (struct md2_ctx *ctx)
 }
 
 /* Put result from CTX in first 16 bytes following RESBUF.  The result
-   must be in little endian byte order.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   must be in little endian byte order.  */
 void *
 md2_read_ctx (const struct md2_ctx *ctx, void *resbuf)
 {
@@ -66,10 +63,7 @@ md2_read_ctx (const struct md2_ctx *ctx, void *resbuf)
 }
 
 /* Process the remaining bytes in the internal buffer and the usual
-   prolog according to the standard and write the result to RESBUF.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   prolog according to the standard and write the result to RESBUF.  */
 void *
 md2_finish_ctx (struct md2_ctx *ctx, void *resbuf)
 {
diff --git a/lgl/md2.h b/lgl/md2.h
index 917e05fc26..194f8f909b 100644
--- a/lgl/md2.h
+++ b/lgl/md2.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for MD2 sum
    library functions.
-   Copyright (C) 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published by the
@@ -52,19 +52,13 @@ extern void md2_process_bytes (const void *buffer, size_t len,
 /* Process the remaining bytes in the buffer and put result from CTX
    in first 16 bytes following RESBUF.  The result is always in little
    endian byte order, so that a byte-wise output yields to the wanted
-   ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF be correctly
-   aligned for a 32 bits value.  */
+   ASCII representation of the message digest.  */
 extern void *md2_finish_ctx (struct md2_ctx *ctx, void *resbuf);
 
 
 /* Put result from CTX in first 16 bytes following RESBUF.  The result is
    always in little endian byte order, so that a byte-wise output yields
-   to the wanted ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   to the wanted ASCII representation of the message digest.  */
 extern void *md2_read_ctx (const struct md2_ctx *ctx, void *resbuf);
 
 
diff --git a/lgl/md4.c b/lgl/md4.c
index d3f6e3869c..e7ee9b1f6f 100644
--- a/lgl/md4.c
+++ b/lgl/md4.c
@@ -1,6 +1,6 @@
 /* Functions to compute MD4 message digest of files or memory blocks.
    according to the definition of MD4 in RFC 1320 from April 1992.
-   Copyright (C) 1995,1996,1997,1999,2000,2001,2002,2003,2005,2006
+   Copyright (C) 1995,1996,1997,1999,2000,2001,2002,2003,2005,2006,2008
    Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
@@ -64,27 +64,31 @@ md4_init_ctx (struct md4_ctx *ctx)
   ctx->buflen = 0;
 }
 
-/* Put result from CTX in first 16 bytes following RESBUF.  The result
-   must be in little endian byte order.
+/* Copy the 4 byte value from v into the memory location pointed to by *cp,
+   If your architecture allows unaligned access this is equivalent to
+   * (uint32_t *) cp = v  */
+static inline void
+set_uint32 (char *cp, uint32_t v)
+{
+  memcpy (cp, &v, sizeof v);
+}
 
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+/* Put result from CTX in first 16 bytes following RESBUF.  The result
+   must be in little endian byte order.  */
 void *
 md4_read_ctx (const struct md4_ctx *ctx, void *resbuf)
 {
-  ((uint32_t *) resbuf)[0] = SWAP (ctx->A);
-  ((uint32_t *) resbuf)[1] = SWAP (ctx->B);
-  ((uint32_t *) resbuf)[2] = SWAP (ctx->C);
-  ((uint32_t *) resbuf)[3] = SWAP (ctx->D);
+  char *r = resbuf;
+  set_uint32 (r + 0 * sizeof ctx->A, SWAP (ctx->A));
+  set_uint32 (r + 1 * sizeof ctx->B, SWAP (ctx->B));
+  set_uint32 (r + 2 * sizeof ctx->C, SWAP (ctx->C));
+  set_uint32 (r + 3 * sizeof ctx->D, SWAP (ctx->D));
 
   return resbuf;
 }
 
 /* Process the remaining bytes in the internal buffer and the usual
-   prolog according to the standard and write the result to RESBUF.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   prolog according to the standard and write the result to RESBUF.  */
 void *
 md4_finish_ctx (struct md4_ctx *ctx, void *resbuf)
 {
diff --git a/lgl/md4.h b/lgl/md4.h
index 8450664774..80d254fd8e 100644
--- a/lgl/md4.h
+++ b/lgl/md4.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for MD4 sum
    library functions.
-   Copyright (C) 2000, 2001, 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2003, 2005, 2008 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
    under the terms of the GNU Lesser General Public License as published by the
@@ -58,19 +58,13 @@ extern void md4_process_bytes (const void *buffer, size_t len,
 /* Process the remaining bytes in the buffer and put result from CTX
    in first 16 bytes following RESBUF.  The result is always in little
    endian byte order, so that a byte-wise output yields to the wanted
-   ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF be correctly
-   aligned for a 32 bits value.  */
+   ASCII representation of the message digest.  */
 extern void *md4_finish_ctx (struct md4_ctx *ctx, void *resbuf);
 
 
 /* Put result from CTX in first 16 bytes following RESBUF.  The result is
    always in little endian byte order, so that a byte-wise output yields
-   to the wanted ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   to the wanted ASCII representation of the message digest.  */
 extern void *md4_read_ctx (const struct md4_ctx *ctx, void *resbuf);
 
 
diff --git a/lgl/md5.c b/lgl/md5.c
index 7d7024e8a5..15854432fd 100644
--- a/lgl/md5.c
+++ b/lgl/md5.c
@@ -1,6 +1,6 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995,1996,1997,1999,2000,2001,2005,2006
+   Copyright (C) 1995,1996,1997,1999,2000,2001,2005,2006,2008
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -80,27 +80,31 @@ md5_init_ctx (struct md5_ctx *ctx)
   ctx->buflen = 0;
 }
 
-/* Put result from CTX in first 16 bytes following RESBUF.  The result
-   must be in little endian byte order.
+/* Copy the 4 byte value from v into the memory location pointed to by *cp,
+   If your architecture allows unaligned access this is equivalent to
+   * (uint32_t *) cp = v  */
+static inline void
+set_uint32 (char *cp, uint32_t v)
+{
+  memcpy (cp, &v, sizeof v);
+}
 
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32-bit value.  */
+/* Put result from CTX in first 16 bytes following RESBUF.  The result
+   must be in little endian byte order.  */
 void *
 md5_read_ctx (const struct md5_ctx *ctx, void *resbuf)
 {
-  ((uint32_t *) resbuf)[0] = SWAP (ctx->A);
-  ((uint32_t *) resbuf)[1] = SWAP (ctx->B);
-  ((uint32_t *) resbuf)[2] = SWAP (ctx->C);
-  ((uint32_t *) resbuf)[3] = SWAP (ctx->D);
+  char *r = resbuf;
+  set_uint32 (r + 0 * sizeof ctx->A, SWAP (ctx->A));
+  set_uint32 (r + 1 * sizeof ctx->B, SWAP (ctx->B));
+  set_uint32 (r + 2 * sizeof ctx->C, SWAP (ctx->C));
+  set_uint32 (r + 3 * sizeof ctx->D, SWAP (ctx->D));
 
   return resbuf;
 }
 
 /* Process the remaining bytes in the internal buffer and the usual
-   prolog according to the standard and write the result to RESBUF.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32-bit value.  */
+   prolog according to the standard and write the result to RESBUF.  */
 void *
 md5_finish_ctx (struct md5_ctx *ctx, void *resbuf)
 {
diff --git a/lgl/md5.h b/lgl/md5.h
index 6018a6f6d5..c7b8ba08e0 100644
--- a/lgl/md5.h
+++ b/lgl/md5.h
@@ -1,6 +1,6 @@
 /* Declaration of functions and data types used for MD5 sum computing
    library functions.
-   Copyright (C) 1995-1997,1999,2000,2001,2004,2005,2006
+   Copyright (C) 1995-1997,1999,2000,2001,2004,2005,2006,2008
       Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -93,19 +93,13 @@ extern void __md5_process_bytes (const void *buffer, size_t len,
 /* Process the remaining bytes in the buffer and put result from CTX
    in first 16 bytes following RESBUF.  The result is always in little
    endian byte order, so that a byte-wise output yields to the wanted
-   ASCII representation of the message digest.
-
-   IMPORTANT: On some systems, RESBUF must be aligned to a 32-bit
-   boundary. */
+   ASCII representation of the message digest.  */
 extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) __THROW;
 
 
 /* Put result from CTX in first 16 bytes following RESBUF.  The result is
    always in little endian byte order, so that a byte-wise output yields
-   to the wanted ASCII representation of the message digest.
-
-   IMPORTANT: On some systems, RESBUF must be aligned to a 32-bit
-   boundary. */
+   to the wanted ASCII representation of the message digest.  */
 extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW;
 
 
diff --git a/lgl/sha1.c b/lgl/sha1.c
index d4f38775c2..62c96ecd71 100644
--- a/lgl/sha1.c
+++ b/lgl/sha1.c
@@ -1,7 +1,7 @@
 /* sha1.c - Functions to compute SHA1 message digest of files or
    memory blocks according to the NIST specification FIPS-180-1.
 
-   Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006 Free Software
+   Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2008 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
@@ -67,28 +67,32 @@ sha1_init_ctx (struct sha1_ctx *ctx)
   ctx->buflen = 0;
 }
 
-/* Put result from CTX in first 20 bytes following RESBUF.  The result
-   must be in little endian byte order.
+/* Copy the 4 byte value from v into the memory location pointed to by *cp,
+   If your architecture allows unaligned access this is equivalent to
+   * (uint32_t *) cp = v  */
+static inline void
+set_uint32 (char *cp, uint32_t v)
+{
+  memcpy (cp, &v, sizeof v);
+}
 
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32-bit value.  */
+/* Put result from CTX in first 20 bytes following RESBUF.  The result
+   must be in little endian byte order.  */
 void *
 sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf)
 {
-  ((uint32_t *) resbuf)[0] = SWAP (ctx->A);
-  ((uint32_t *) resbuf)[1] = SWAP (ctx->B);
-  ((uint32_t *) resbuf)[2] = SWAP (ctx->C);
-  ((uint32_t *) resbuf)[3] = SWAP (ctx->D);
-  ((uint32_t *) resbuf)[4] = SWAP (ctx->E);
+  char *r = resbuf;
+  set_uint32 (r + 0 * sizeof ctx->A, SWAP (ctx->A));
+  set_uint32 (r + 1 * sizeof ctx->B, SWAP (ctx->B));
+  set_uint32 (r + 2 * sizeof ctx->C, SWAP (ctx->C));
+  set_uint32 (r + 3 * sizeof ctx->D, SWAP (ctx->D));
+  set_uint32 (r + 4 * sizeof ctx->E, SWAP (ctx->E));
 
   return resbuf;
 }
 
 /* Process the remaining bytes in the internal buffer and the usual
-   prolog according to the standard and write the result to RESBUF.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32-bit value.  */
+   prolog according to the standard and write the result to RESBUF.  */
 void *
 sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf)
 {
diff --git a/lgl/sha1.h b/lgl/sha1.h
index ed0de2b4e8..8877b12503 100644
--- a/lgl/sha1.h
+++ b/lgl/sha1.h
@@ -1,6 +1,7 @@
 /* Declarations of functions and data types used for SHA1 sum
    library functions.
-   Copyright (C) 2000, 2001, 2003, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2003, 2005, 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 Lesser General Public License as published by the
@@ -22,6 +23,8 @@
 # include <stdio.h>
 # include <stdint.h>
 
+#define SHA1_DIGEST_SIZE 20
+
 /* Structure to save state of computation between the single steps.  */
 struct sha1_ctx
 {
@@ -57,19 +60,13 @@ extern void sha1_process_bytes (const void *buffer, size_t len,
 /* Process the remaining bytes in the buffer and put result from CTX
    in first 20 bytes following RESBUF.  The result is always in little
    endian byte order, so that a byte-wise output yields to the wanted
-   ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF be correctly
-   aligned for a 32 bits value.  */
+   ASCII representation of the message digest.  */
 extern void *sha1_finish_ctx (struct sha1_ctx *ctx, void *resbuf);
 
 
 /* Put result from CTX in first 20 bytes following RESBUF.  The result is
    always in little endian byte order, so that a byte-wise output yields
-   to the wanted ASCII representation of the message digest.
-
-   IMPORTANT: On some systems it is required that RESBUF is correctly
-   aligned for a 32 bits value.  */
+   to the wanted ASCII representation of the message digest.  */
 extern void *sha1_read_ctx (const struct sha1_ctx *ctx, void *resbuf);
 
 
diff --git a/lgl/unistd.in.h b/lgl/unistd.in.h
index ae6919cd50..10678f4c99 100644
--- a/lgl/unistd.in.h
+++ b/lgl/unistd.in.h
@@ -1,5 +1,5 @@
 /* Substitute for and wrapper around <unistd.h>.
-   Copyright (C) 2004-2008 Free Software Foundation, Inc.
+   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 Lesser General Public License as published by
@@ -156,18 +156,6 @@ extern char * getcwd (char *buf, size_t size);
      getcwd (b, s))
 #endif
 
-#if @GNULIB_GETHOSTNAME@
-# if !@HAVE_DECL_GETHOSTNAME@
-#  include <stddef.h>
-  extern int gethostname (char *name, size_t size);
-# endif
-#elif defined GNULIB_POSIXCHECK
-# undef gethostname
-# define gethostname(n,s)			    \
-  (GL_LINK_WARNING ("gethostname is unportable - "		       \
-		    "use gnulib module gethostname for portability"),   \
-   gethostname (n, s))
-#endif
 
 #if @GNULIB_GETLOGIN_R@
 /* Copies the user's login name to NAME.