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-rw-r--r--lib/xmemcoll.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/xmemcoll.c b/lib/xmemcoll.c
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+++ b/lib/xmemcoll.c
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+/* Locale-specific memory comparison.
+ Copyright (C) 2002, 2003, 2004 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 2, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/* Contributed by Paul Eggert <eggert@twinsun.com>. */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <errno.h>
+#include <stdlib.h>
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+
+#include "error.h"
+#include "exitfail.h"
+#include "memcoll.h"
+#include "quotearg.h"
+#include "xmemcoll.h"
+
+/* Compare S1 (with length S1LEN) and S2 (with length S2LEN) according
+ to the LC_COLLATE locale. S1 and S2 do not overlap, and are not
+ adjacent. Temporarily modify the bytes after S1 and S2, but
+ restore their original contents before returning. Report an error
+ and exit if there is an error. */
+
+int
+xmemcoll (char *s1, size_t s1len, char *s2, size_t s2len)
+{
+ int diff = memcoll (s1, s1len, s2, s2len);
+ int collation_errno = errno;
+
+ if (collation_errno)
+ {
+ error (0, collation_errno, _("string comparison failed"));
+ error (0, 0, _("Set LC_ALL='C' to work around the problem."));
+ error (exit_failure, 0,
+ _("The strings compared were %s and %s."),
+ quotearg_n_style_mem (0, locale_quoting_style, s1, s1len),
+ quotearg_n_style_mem (1, locale_quoting_style, s2, s2len));
+ }
+
+ return diff;
+}