/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1987, 1993
* The Regents of the University of California. All rights reserved.
*
* Copyright (c) 2011 The FreeBSD Foundation
* All rights reserved.
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strcasecmp.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <strings.h>
#include <ctype.h>
#include "xlocale_private.h"
int
strcasecmp_l(const char *s1, const char *s2, locale_t locale)
{
const u_char
*us1 = (const u_char *)s1,
*us2 = (const u_char *)s2;
FIX_LOCALE(locale);
while (tolower_l(*us1, locale) == tolower_l(*us2++, locale))
if (*us1++ == '\0')
return (0);
return (tolower_l(*us1, locale) - tolower_l(*--us2, locale));
}
int
strcasecmp(const char *s1, const char *s2)
{
return strcasecmp_l(s1, s2, __get_locale());
}
int
strncasecmp_l(const char *s1, const char *s2, size_t n, locale_t locale)
{
FIX_LOCALE(locale);
if (n != 0) {
const u_char
*us1 = (const u_char *)s1,
*us2 = (const u_char *)s2;
do {
if (tolower_l(*us1, locale) != tolower_l(*us2++, locale))
return (tolower_l(*us1, locale) - tolower_l(*--us2, locale));
if (*us1++ == '\0')
break;
} while (--n != 0);
}
return (0);
}
int
strncasecmp(const char *s1, const char *s2, size_t n)
{
return strncasecmp_l(s1, s2, n, __get_locale());
}
