sbase

suckless unix tools
git clone git://git.suckless.org/sbase
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strsep.c (1352B)


      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 
     25 #include "../util.h"
     26 
     27 char *
     28 strsep(char **str, const char *sep)
     29 {
     30 	char *s = *str, *end;
     31 	if (!s) return NULL;
     32 	end = s + strcspn(s, sep);
     33 	if (*end) *end++ = 0;
     34 	else end = 0;
     35 	*str = end;
     36 	return s;
     37 }