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	strsep.c - sbase - suckless unix tools
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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 }