Mon Mar 25 03:35:16 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>

	* malloc/malloc.c (morecore): Don't attempt recursive realloc of info
	table when _heaplimit==0 during realloc growing large block.

	* MakeTAGS (extract): Remove /dev/null from xgettext command line.
	(text-srcs): New variable: extract only C sources from $(tags_sources).
	(po/$(domain).pot): Depend on that.
	If it's empty, cp /dev/null $@ instead of $(extract).

	* misc/Makefile (headers): Add iovec.h.
	* sysdeps/unix/sysv/linux/iovec.h: New file.
	* sysdeps/generic/iovec.h: New file.
	* misc/sys/uio.h (struct iovec): Type replaced with #include <iovec.h>.

	* configure.in (NO_UNDERSCORES check): Use AC_TRY_LINK instead of
	AC_TRY_COMPILE.

	* misc/sys/cdefs.h [__USE_BSD] (const, signed, volatile): Move these
	macros inside [! __STDC__].

	* stdlib/rpmatch.c: New file.
	* stdlib/Makefile (routines): Add rpmatch.
	* stdlib/stdlib.h [__USE_SVID]: Declare rpmatch.

	* MakeTAGS (MSGJOIN): Variable removed.
	(po/SYS_libc.pot): Use $(XGETTEXT) instead of $(MSGJOIN).

Wed Mar 20 20:08:46 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysdep.h: Don't define C_SYMBOL_NAME.

	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Don't define
	NO_UNDERSCORES.

3 files changed, 74 insertions, 2 deletions

diff --git a/stdlib/Makefile b/stdlib/Makefile
index 77940d15eb..54a95fda05 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc.
+# Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -41,7 +41,8 @@ routines	:=							      \
 	strtol strtoul strtoq strtouq					      \
 	strtof strtod strtold						      \
 	system								      \
-	a64l l64a
+	a64l l64a							      \
+	rpmatch
 
 distribute	:= exit.h grouping.h
 tests		:= tst-strtol tst-strtod testmb testrand testsort testdiv
diff --git a/stdlib/rpmatch.c b/stdlib/rpmatch.c
new file mode 100644
index 0000000000..0dcaa6dc87
--- /dev/null
+++ b/stdlib/rpmatch.c
@@ -0,0 +1,62 @@
+/* rpmatch - determine whether string value is affirmation or negative
+	     response according to current locale's data
+Copyright (C) 1996 Free Software Foundation, Inc.
+
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <langinfo.h>
+#include <stdlib.h>
+#include <regex.h>
+
+
+int
+rpmatch (response)
+     const char *response;
+{
+  /* Match against one of the response patterns, compiling the pattern
+     first if necessary.  */
+  inline int try (const int tag, const int match,
+		  const char **lastp, regex_t *re)
+    {
+      const char *pattern = nl_langinfo (tag);
+      if (pattern != *lastp)
+	{
+	  /* The pattern has changed.  */
+	  if (*lastp)
+	    {
+	      /* Free the old compiled pattern.  */
+	      regfree (re);
+	      *lastp = NULL;
+	    }
+	  /* Compile the pattern and cache it for future runs.  */
+	  if (regcomp (re, pattern, REG_EXTENDED) != 0)
+	    return -1;
+	  *lastp = pattern;
+	}
+
+      /* Try the pattern.  */
+      return regexec (re, response, 0, NULL, 0) == 0 ? match : !match;
+    }
+
+  /* We cache the response patterns and compiled regexps here.  */
+  static const char *yesexpr, *noexpr;
+  static regex_t yesre, nore;
+
+  return (try (YESEXPR, 1, &yesexpr, &yesre) ?:
+	  try (NOEXPR, 0, &noexpr, &nore));
+}
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index 65932e3d17..793c641671 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -444,6 +444,15 @@ extern size_t mbstowcs __P ((wchar_t * __pwcs, __const char *__s, size_t __n));
 extern size_t wcstombs __P ((char *__s, __const wchar_t * __pwcs, size_t __n));
 
 
+#ifdef __USE_SVID
+/* Determine whether the string value of RESPONSE matches the affirmation
+   or negative response expression as specified by the LC_MESSAGES category
+   in the program's current locale.  Returns 1 if affirmative, 0 if
+   negative, and -1 if not matching.  */
+extern int rpmatch __P ((__const char *__response));
+#endif
+
+
 __END_DECLS
 
 #endif /* stdlib.h  */