updated gnulib.

10 files changed, 64 insertions, 16 deletions

diff --git a/gl/tests/Makefile.am b/gl/tests/Makefile.am
index f4c8b3df2a..f20087cf59 100644
--- a/gl/tests/Makefile.am
+++ b/gl/tests/Makefile.am
@@ -523,6 +523,7 @@ inttypes.h: inttypes.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_U
 	      -e 's/@''HAVE_DECL_STRTOIMAX''@/$(HAVE_DECL_STRTOIMAX)/g' \
 	      -e 's/@''HAVE_DECL_STRTOUMAX''@/$(HAVE_DECL_STRTOUMAX)/g' \
 	      -e 's/@''REPLACE_STRTOIMAX''@/$(REPLACE_STRTOIMAX)/g' \
+	      -e 's/@''REPLACE_STRTOUMAX''@/$(REPLACE_STRTOUMAX)/g' \
 	      -e 's/@''INT32_MAX_LT_INTMAX_MAX''@/$(INT32_MAX_LT_INTMAX_MAX)/g' \
 	      -e 's/@''INT64_MAX_EQ_LONG_MAX''@/$(INT64_MAX_EQ_LONG_MAX)/g' \
 	      -e 's/@''UINT32_MAX_LT_UINTMAX_MAX''@/$(UINT32_MAX_LT_UINTMAX_MAX)/g' \
diff --git a/gl/tests/binary-io.h b/gl/tests/binary-io.h
index 317fe3d3c2..423c2ae3ff 100644
--- a/gl/tests/binary-io.h
+++ b/gl/tests/binary-io.h
@@ -25,6 +25,9 @@
    so we include it here first.  */
 #include <stdio.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
 _GL_INLINE_HEADER_BEGIN
 #ifndef BINARY_IO_INLINE
 # define BINARY_IO_INLINE _GL_INLINE
diff --git a/gl/tests/getdtablesize.c b/gl/tests/getdtablesize.c
index 9947405af6..355c17e3b9 100644
--- a/gl/tests/getdtablesize.c
+++ b/gl/tests/getdtablesize.c
@@ -22,11 +22,11 @@
 
 #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
 
-#include <stdio.h>
+# include <stdio.h>
 
-#include "msvc-inval.h"
+# include "msvc-inval.h"
 
-#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
+# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
 static int
 _setmaxstdio_nothrow (int newmax)
 {
@@ -44,10 +44,11 @@ _setmaxstdio_nothrow (int newmax)
 
   return result;
 }
-# define _setmaxstdio _setmaxstdio_nothrow
-#endif
+#  define _setmaxstdio _setmaxstdio_nothrow
+# endif
 
-/* Cache for the previous getdtablesize () result.  */
+/* Cache for the previous getdtablesize () result.  Safe to cache because
+   Windows also lacks setrlimit.  */
 static int dtablesize;
 
 int
@@ -83,4 +84,24 @@ getdtablesize (void)
   return dtablesize;
 }
 
+#elif HAVE_GETDTABLESIZE
+
+# include <sys/resource.h>
+# undef getdtablesize
+
+int
+rpl_getdtablesize(void)
+{
+  /* To date, this replacement is only compiled for Cygwin 1.7.25,
+     which auto-increased the RLIMIT_NOFILE soft limit until it
+     hits the compile-time constant hard limit of 3200.  Although
+     that version of cygwin supported a child process inheriting
+     a smaller soft limit, the smaller limit is not enforced, so
+     we might as well just report the hard limit.  */
+  struct rlimit lim;
+  if (!getrlimit (RLIMIT_NOFILE, &lim) && lim.rlim_max != RLIM_INFINITY)
+    return lim.rlim_max;
+  return getdtablesize ();
+}
+
 #endif
diff --git a/gl/tests/inttypes.in.h b/gl/tests/inttypes.in.h
index 1893f5569d..05a22fff79 100644
--- a/gl/tests/inttypes.in.h
+++ b/gl/tests/inttypes.in.h
@@ -1105,12 +1105,22 @@ _GL_WARN_ON_USE (strtoimax, "strtoimax is unportable - "
 #endif
 
 #if @GNULIB_STRTOUMAX@
-# if !@HAVE_DECL_STRTOUMAX@
-#  undef strtoumax
+# if @REPLACE_STRTOUMAX@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef strtoumax
+#   define strtoumax rpl_strtoumax
+#  endif
+_GL_FUNCDECL_RPL (strtoumax, uintmax_t,
+                  (const char *, char **, int) _GL_ARG_NONNULL ((1)));
+_GL_CXXALIAS_RPL (strtoumax, uintmax_t, (const char *, char **, int));
+# else
+#  if !@HAVE_DECL_STRTOUMAX@
+#   undef strtoumax
 _GL_FUNCDECL_SYS (strtoumax, uintmax_t,
                   (const char *, char **, int) _GL_ARG_NONNULL ((1)));
-# endif
+#  endif
 _GL_CXXALIAS_SYS (strtoumax, uintmax_t, (const char *, char **, int));
+# endif
 _GL_CXXALIASWARN (strtoumax);
 #elif defined GNULIB_POSIXCHECK
 # undef strtoumax
diff --git a/gl/tests/macros.h b/gl/tests/macros.h
index 60ba894d89..1ceb815116 100644
--- a/gl/tests/macros.h
+++ b/gl/tests/macros.h
@@ -48,8 +48,8 @@
     {                                                                        \
       if (!(expr))                                                           \
         {                                                                    \
-          fprintf (ASSERT_STREAM, "%s:%d: assertion failed\n",               \
-                   __FILE__, __LINE__);                                      \
+          fprintf (ASSERT_STREAM, "%s:%d: assertion '%s' failed\n",     \
+                   __FILE__, __LINE__, #expr);                          \
           fflush (ASSERT_STREAM);                                            \
           abort ();                                                          \
         }                                                                    \
diff --git a/gl/tests/strerror-override.h b/gl/tests/strerror-override.h
index 3b8f24b995..0d086b873b 100644
--- a/gl/tests/strerror-override.h
+++ b/gl/tests/strerror-override.h
@@ -48,7 +48,7 @@
      || GNULIB_defined_EOWNERDEAD \
      || GNULIB_defined_ENOTRECOVERABLE \
      || GNULIB_defined_EILSEQ
-extern const char *strerror_override (int errnum);
+extern const char *strerror_override (int errnum) _GL_ATTRIBUTE_CONST;
 # else
 #  define strerror_override(ignored) NULL
 # endif
diff --git a/gl/tests/test-dup2.c b/gl/tests/test-dup2.c
index ecb2692d2a..44039f102b 100644
--- a/gl/tests/test-dup2.c
+++ b/gl/tests/test-dup2.c
@@ -150,6 +150,15 @@ main (void)
   errno = 0;
   ASSERT (dup2 (fd, -2) == -1);
   ASSERT (errno == EBADF);
+  if (bad_fd > 256)
+    {
+      ASSERT (dup2 (fd, 255) == 255);
+      ASSERT (dup2 (fd, 256) == 256);
+      ASSERT (close (255) == 0);
+      ASSERT (close (256) == 0);
+    }
+  ASSERT (dup2 (fd, bad_fd - 1) == bad_fd - 1);
+  ASSERT (close (bad_fd - 1) == 0);
   errno = 0;
   ASSERT (dup2 (fd, bad_fd) == -1);
   ASSERT (errno == EBADF);
diff --git a/gl/tests/test-getdtablesize.c b/gl/tests/test-getdtablesize.c
index 7046481ba3..b371ccf0d4 100644
--- a/gl/tests/test-getdtablesize.c
+++ b/gl/tests/test-getdtablesize.c
@@ -29,6 +29,8 @@ int
 main (int argc, char *argv[])
 {
   ASSERT (getdtablesize () >= 3);
+  ASSERT (dup2 (0, getdtablesize() - 1) == getdtablesize () - 1);
+  ASSERT (dup2 (0, getdtablesize()) == -1);
 
   return 0;
 }
diff --git a/gl/tests/test-sys_select.c b/gl/tests/test-sys_select.c
index cd84c0103b..1604699879 100644
--- a/gl/tests/test-sys_select.c
+++ b/gl/tests/test-sys_select.c
@@ -40,8 +40,9 @@ SIGNATURE_CHECK (FD_ZERO, void, (fd_set *));
 /* Check that the 'struct timeval' type is defined.  */
 struct timeval a;
 
-/* Check that &a.tv_sec is a 'time_t *', ignoring signedness issues.  */
-typedef int verify_tv_sec_type[sizeof (a.tv_sec) == sizeof (time_t) ? 1 : -1];
+/* Check that a.tv_sec is wide enough to hold a time_t, ignoring
+   signedness issues.  */
+typedef int verify_tv_sec_type[sizeof (time_t) <= sizeof (a.tv_sec) ? 1 : -1];
 
 /* Check that sigset_t is defined.  */
 sigset_t t2;
diff --git a/gl/tests/test-sys_time.c b/gl/tests/test-sys_time.c
index 1389b52008..80628423e1 100644
--- a/gl/tests/test-sys_time.c
+++ b/gl/tests/test-sys_time.c
@@ -23,8 +23,9 @@
 /* Check that the 'struct timeval' type is defined.  */
 struct timeval a;
 
-/* Check that &a.tv_sec is a 'time_t *', ignoring signedness issues.  */
-typedef int verify_tv_sec_type[sizeof (a.tv_sec) == sizeof (time_t) ? 1 : -1];
+/* Check that a.tv_sec is wide enough to hold a time_t, ignoring
+   signedness issues.  */
+typedef int verify_tv_sec_type[sizeof (time_t) <= sizeof (a.tv_sec) ? 1 : -1];
 
 int
 main (void)