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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 2013 Garrett D'Amore <garrett@damore.org>
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* Portions of this source code were derived from Berkeley 4.3 BSD
* under license from the Regents of the University of California.
*/
#include "lint.h"
#include <sys/types.h>
#include <strings.h>
#include <ctype.h>
#include <locale.h>
#include "lctype.h"
#include "localeimpl.h"
int
strncasecmp_l(const char *s1, const char *s2, size_t n, locale_t loc)
{
extern int ascii_strncasecmp(const char *s1, const char *s2, size_t n);
const int *cm;
const uchar_t *us1;
const uchar_t *us2;
const struct lc_ctype *lct = loc->ctype;
/*
* If we are in a locale that uses the ASCII character set
* (C or POSIX), use the fast ascii_strncasecmp() function.
*/
if (lct->lc_is_ascii)
return (ascii_strncasecmp(s1, s2, n));
cm = lct->lc_trans_lower;
us1 = (const uchar_t *)s1;
us2 = (const uchar_t *)s2;
while (n != 0 && cm[*us1] == cm[*us2++]) {
if (*us1++ == '\0')
return (0);
n--;
}
return (n == 0 ? 0 : cm[*us1] - cm[*(us2 - 1)]);
}
int
strncasecmp(const char *s1, const char *s2, size_t n)
{
return (strncasecmp_l(s1, s2, n, uselocale(NULL)));
}
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