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strcasecmp.c
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strcasecmp.c
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/* strcasecmp.c -- replacement strcasecmp() & strncasecmp() routines
*
* Copyright (c) 1994-2008 Carnegie Mellon University. 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.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
* 4615 Forbes Avenue
* Suite 302
* Pittsburgh, PA 15213
* (412) 268-7393, fax: (412) 268-7395
* innovation@andrew.cmu.edu
*
* 4. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by Computing Services
* at Carnegie Mellon University (http://www.cmu.edu/computing/)."
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: strcasecmp.c,v 1.10 2010/01/06 17:01:47 murch Exp $
*
* Author: Chris Newman
* Start Date: 4/6/93
*/
/* for size_t */
#include <sys/types.h>
#include "util.h"
/* case insensitive string compare
*/
int strcasecmp(str1, str2)
const char *str1;
const char *str2;
{
while (*str1 && TOLOWER(*str1) == TOLOWER(*str2)) ++str1, ++str2;
return ((int) TOLOWER(*str1) - (int) TOLOWER(*str2));
}
/* case insensitive string compare with count
*/
int strncasecmp(str1, str2, n)
const char *str1;
const char *str2;
size_t n;
{
while (n && *str1 && TOLOWER(*str1) == TOLOWER(*str2)) ++str1, ++str2, --n;
return (n ? (int) TOLOWER(*str1) - (int) TOLOWER(*str2) : 0);
}

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