1 /*
2 * Copyright (c) 2013 Holger Weiss <holger@weiss.in-berlin.de>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 #if HAVE_CONFIG_H
29 # include <config.h>
30 #endif
31
32 #include <ctype.h>
33 #include <stdio.h> /* For size_t. */
34
35 #include "system.h"
36
37 int
strncasecmp(const char * s1,const char * s2,size_t n)38 strncasecmp(const char *s1, const char *s2, size_t n)
39 {
40 size_t i;
41
42 for (i = 0; i < n; i++) {
43 int c1 = tolower(s1[i]);
44 int c2 = tolower(s2[i]);
45
46 if (c1 != c2)
47 return c1 - c2;
48 if (s1[i] == '\0')
49 break;
50 }
51 return 0;
52 }
53
54 /* vim:set joinspaces noexpandtab textwidth=80 cinoptions=(4,u0: */
55