62 lines
2 KiB
C
62 lines
2 KiB
C
|
/* $NetBSD: wmemcmp.c,v 1.6 2009/01/11 02:46:30 christos Exp $ */
|
||
|
|
|
||
|
|
/*-
|
||
|
|
* Copyright (c)1999 Citrus Project,
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
|
||
|
|
*
|
||
|
|
* citrus Id: wmemcmp.c,v 1.2 2000/12/20 14:08:31 itojun Exp
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
||
|
|
__RCSID("$NetBSD: wmemcmp.c,v 1.6 2009/01/11 02:46:30 christos Exp $");
|
||
|
|
#endif /* LIBC_SCCS and not lint */
|
||
|
|
|
||
|
|
#include <assert.h>
|
||
|
|
#include <wchar.h>
|
||
|
|
#include "runetype_local.h"
|
||
|
|
|
||
|
|
int
|
||
|
|
wmemcmp(s1, s2, n)
|
||
|
|
const wchar_t *s1;
|
||
|
|
const wchar_t *s2;
|
||
|
|
size_t n;
|
||
|
|
{
|
||
|
|
size_t i;
|
||
|
|
|
||
|
|
_DIAGASSERT(s1 != NULL);
|
||
|
|
_DIAGASSERT(s2 != NULL);
|
||
|
|
|
||
|
|
for (i = 0; i < n; i++) {
|
||
|
|
if (*s1 != *s2) {
|
||
|
|
/* wchar might be unsigned */
|
||
|
|
return *(const __nbrune_t *)s1 >
|
||
|
|
*(const __nbrune_t *)s2 ? 1 : -1;
|
||
|
|
}
|
||
|
|
s1++;
|
||
|
|
s2++;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|