1 /*
2 * strncasecmp function
3 *
4 * Copyright 1996 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <ctype.h>
25
26 #ifndef HAVE_STRNCASECMP
27 #undef strncasecmp
28 int strncasecmp( const char *str1, const char *str2, size_t n )
29 {
30 const unsigned char *ustr1 = (const unsigned char *)str1;
31 const unsigned char *ustr2 = (const unsigned char *)str2;
32 int res;
33
34 if (!n) return 0;
35 while ((--n > 0) && *ustr1)
36 {
37 if ((res = toupper(*ustr1) - toupper(*ustr2))) return res;
38 ustr1++;
39 ustr2++;
40 }
41 return toupper(*ustr1) - toupper(*ustr2);
42 }
43 #endif /* HAVE_STRNCASECMP */
44
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