strcasestr.c - sbase - suckless unix tools
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       ---
       strcasestr.c (1346B)
       ---
            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 }