71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* Locale-specific memory comparison.
|
|
Copyright (C) 2002 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>
|
|
#ifndef errno
|
|
extern int errno;
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
#if ENABLE_NLS
|
|
# include <libintl.h>
|
|
# define _(Text) gettext (Text)
|
|
#else
|
|
# define _(Text) Text
|
|
#endif
|
|
|
|
#include "error.h"
|
|
#include "memcoll.h"
|
|
#include "quotearg.h"
|
|
#include "xmemcoll.h"
|
|
|
|
/* Exit value when xmemcoll fails.
|
|
The caller may set it to some other value. */
|
|
int xmemcoll_exit_failure = EXIT_FAILURE;
|
|
|
|
/* 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 (xmemcoll_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;
|
|
}
|