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1 /* |
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2 * strsep.c -- separate a string by delimiters |
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3 * |
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4 * Copyright (c) 2011, 2012, David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <stdlib.h> |
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20 #include <string.h> |
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21 |
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22 char * |
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23 strsep(char **stringp, const char *delim) |
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24 { |
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25 char *item, *ptr; |
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26 |
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27 if (*stringp == NULL || delim[0] == '\0') |
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28 return NULL; |
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29 |
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30 item = *stringp; |
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31 if ((ptr = strpbrk(*stringp, delim)) == NULL) { |
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32 *stringp = NULL; |
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33 return item; |
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34 } |
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35 |
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36 *ptr = '\0'; |
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37 *stringp = ptr + 1; |
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38 |
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39 return item; |
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40 } |
