77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
|
|
* Copyright (c) 1987, 1993
|
|
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)strcasecmp.c 8.1 (Berkeley) 6/4/93";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
typedef unsigned char u_char;
|
|
|
|
int
|
|
strcasecmp(s1, s2)
|
|
const char *s1, *s2;
|
|
{
|
|
register const u_char
|
|
*us1 = (const u_char *)s1,
|
|
*us2 = (const u_char *)s2;
|
|
|
|
while (tolower(*us1) == tolower(*us2++))
|
|
if (*us1++ == '\0')
|
|
return (0);
|
|
return (tolower(*us1) - tolower(*--us2));
|
|
}
|
|
|
|
int
|
|
strncasecmp(s1, s2, n)
|
|
const char *s1, *s2;
|
|
register size_t n;
|
|
{
|
|
if (n != 0) {
|
|
register const u_char
|
|
*us1 = (const u_char *)s1,
|
|
*us2 = (const u_char *)s2;
|
|
|
|
do {
|
|
if (tolower(*us1) != tolower(*us2++))
|
|
return (tolower(*us1) - tolower(*--us2));
|
|
if (*us1++ == '\0')
|
|
break;
|
|
} while (--n != 0);
|
|
}
|
|
return (0);
|
|
}
|