1
0
mirror of https://frontier.innolan.net/rainlance/amiga-tz.git synced 2025-11-23 21:12:23 +00:00
Files
amiga-tz/library/strings_strncasecmp.c
2015-07-29 20:14:38 +02:00

64 lines
2.2 KiB
C

/*
* Copyright (c) 2015 Carsten Larsen
* Copyright (c) 2002-2006 by Olaf Barthel <olsen (at) sourcery.han.de>
* 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. Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 "compiler.h"
#include "time_header.h"
int strncasecmp(const char * _s1, const char * _s2, size_t n)
{
const unsigned char *s1 = (const unsigned char *)_s1;
const unsigned char *s2 = (const unsigned char *)_s2;
unsigned char c1,c2;
int result = 0;
if(s1 != s2)
{
while(n-- > 0)
{
c1 = toupper(*s1++);
c2 = toupper(*s2++);
if(c1 == c2)
{
if(c1 == '\0')
break;
}
else
{
result = (int)c1 - (int)c2;
break;
}
}
}
return(result);
}