1 /******************************************************************************
2  * Copyright (c) 2004, 2008 IBM Corporation
3  * All rights reserved.
4  * This program and the accompanying materials
5  * are made available under the terms of the BSD License
6  * which accompanies this distribution, and is available at
7  * http://www.opensource.org/licenses/bsd-license.php
8  *
9  * Contributors:
10  *     IBM Corporation - initial implementation
11  *****************************************************************************/
12 
13 #include <string.h>
14 #include <ctype.h>
15 
16 
17 int
strncasecmp(const char * s1,const char * s2,size_t n)18 strncasecmp(const char *s1, const char *s2, size_t n)
19 {
20 	if (n < 1)
21 		return 0;
22 
23 	while (*s1 != 0 && *s2 != 0 && --n > 0) {
24 		if (toupper(*s1) != toupper(*s2))
25 			break;
26 		++s1;
27 		++s2;
28 	}
29 
30 	return toupper(*s1) - toupper(*s2);
31 }
32 
33