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1 /* |
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2 * strndup.c -- duplicate a string |
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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 <stdio.h> |
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20 #include <stdlib.h> |
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21 #include <string.h> |
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22 |
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23 char * |
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24 strndup(const char *src, size_t len) |
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25 { |
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26 size_t tocopy; |
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27 char *dst; |
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28 |
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29 for (tocopy = 0; tocopy < len && src[tocopy] != '\0'; ++tocopy) |
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30 continue; |
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31 |
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32 if ((dst = calloc(tocopy + 1, 1)) != NULL) |
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33 strncpy(dst, src, tocopy); |
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34 |
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35 return dst; |
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36 } |
