mirror of
https://sourceware.org/git/glibc.git
synced 2025-11-03 20:53:13 +03:00
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/* Copyright (C) 1991-2015 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif
|
|
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
|
|
#ifndef _LIBC
|
|
# define __strcasecmp strcasecmp
|
|
# define TOLOWER(Ch) tolower (Ch)
|
|
#else
|
|
# include <locale/localeinfo.h>
|
|
# ifdef USE_IN_EXTENDED_LOCALE_MODEL
|
|
# define __strcasecmp __strcasecmp_l
|
|
# endif
|
|
# define TOLOWER(Ch) __tolower_l ((Ch), loc)
|
|
#endif
|
|
|
|
#ifdef USE_IN_EXTENDED_LOCALE_MODEL
|
|
# define LOCALE_PARAM , loc
|
|
# define LOCALE_PARAM_DECL __locale_t loc;
|
|
#else
|
|
# define LOCALE_PARAM
|
|
# define LOCALE_PARAM_DECL
|
|
#endif
|
|
|
|
/* Compare S1 and S2, ignoring case, returning less than, equal to or
|
|
greater than zero if S1 is lexicographically less than,
|
|
equal to or greater than S2. */
|
|
int
|
|
__strcasecmp (s1, s2 LOCALE_PARAM)
|
|
const char *s1;
|
|
const char *s2;
|
|
LOCALE_PARAM_DECL
|
|
{
|
|
#if defined _LIBC && !defined USE_IN_EXTENDED_LOCALE_MODEL
|
|
__locale_t loc = _NL_CURRENT_LOCALE;
|
|
#endif
|
|
const unsigned char *p1 = (const unsigned char *) s1;
|
|
const unsigned char *p2 = (const unsigned char *) s2;
|
|
int result;
|
|
|
|
if (p1 == p2)
|
|
return 0;
|
|
|
|
while ((result = TOLOWER (*p1) - TOLOWER (*p2++)) == 0)
|
|
if (*p1++ == '\0')
|
|
break;
|
|
|
|
return result;
|
|
}
|
|
#ifndef __strcasecmp
|
|
libc_hidden_def (__strcasecmp)
|
|
weak_alias (__strcasecmp, strcasecmp)
|
|
#endif
|