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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Compare strings ignoring case difference.
* returns: s1>s2: >0 s1==s2: 0 s1<s2: <0
* All letters are converted to the lowercase and compared.
*/
#pragma weak _wsncasecmp = wsncasecmp
#include "lint.h"
#include <stdlib.h>
#include <widec.h>
#include "libc.h"
int
wcsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n)
{
if (s1 == s2)
return (0);
n++;
while (--n > 0 && towlower(*s1) == towlower(*s2++))
if (*s1++ == 0)
return (0);
return ((n == 0) ? 0 : (towlower(*s1) - towlower(*(s2 - 1))));
}
int
wsncasecmp(const wchar_t *s1, const wchar_t *s2, size_t n)
{
return (wcsncasecmp(s1, s2, n));
}
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