wsncmp.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* Copyright (c) 1986 AT&T */
/* All Rights Reserved */
/* This module is created for NLS on Sep.03.86 */
/*
* Compare strings (at most n characters)
* returns: s1>s2: >0 s1==s2: 0 s1<s2: <0
*/
#pragma weak wcsncmp = _wcsncmp
#pragma weak wsncmp = _wsncmp
#include "lint.h"
#include <stdlib.h>
#include <wchar.h>
int
_wcsncmp(const wchar_t *s1, const wchar_t *s2, size_t n)
{
if (s1 == s2)
return (0);
n++;
while (--n > 0 && *s1 == *s2++)
if (*s1++ == 0)
return (0);
return ((n == 0) ? 0 : (*s1 - *(s2 - 1)));
}
int
_wsncmp(const wchar_t *s1, const wchar_t *s2, size_t n)
{
return (_wcsncmp(s1, s2, n));
}