historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/skiboot/libc/string/strncasecmp.c
2024-01-16 11:20:27 -06:00

30 lines
828 B
C

/******************************************************************************
* Copyright (c) 2004, 2008 IBM Corporation
* All rights reserved.
* This program and the accompanying materials
* are made available under the terms of the BSD License
* which accompanies this distribution, and is available at
* http://www.opensource.org/licenses/bsd-license.php
*
* Contributors:
* IBM Corporation - initial implementation
*****************************************************************************/
#include <ctype.h>
int strncasecmp(const char *s1, const char *s2, size_t n);
int strncasecmp(const char *s1, const char *s2, size_t n)
{
if (n < 1)
return 0;
while (*s1 != 0 && *s2 != 0 && --n > 0) {
if (toupper(*s1) != toupper(*s2))
break;
++s1;
++s2;
}
return toupper(*s1) - toupper(*s2);
}