strcasestr.c - sbase - suckless unix tools | |
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strcasestr.c (1346B) | |
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1 /* | |
2 * Copyright 2005-2014 Rich Felker, et al. | |
3 * | |
4 * Permission is hereby granted, free of charge, to any person obtaining | |
5 * a copy of this software and associated documentation files (the | |
6 * "Software"), to deal in the Software without restriction, including | |
7 * without limitation the rights to use, copy, modify, merge, publish, | |
8 * distribute, sublicense, and/or sell copies of the Software, and to | |
9 * permit persons to whom the Software is furnished to do so, subject to | |
10 * the following conditions: | |
11 * | |
12 * The above copyright notice and this permission notice shall be | |
13 * included in all copies or substantial portions of the Software. | |
14 * | |
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
19 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
20 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
21 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 */ | |
23 #include <string.h> | |
24 #include <strings.h> | |
25 | |
26 #include "../util.h" | |
27 | |
28 char * | |
29 strcasestr(const char *h, const char *n) | |
30 { | |
31 size_t l = strlen(n); | |
32 | |
33 for (; *h; h++) | |
34 if (!strncasecmp(h, n, l)) | |
35 return (char *)h; | |
36 | |
37 return 0; | |
38 } |