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1 /* Copyright libuv project contributors. All rights reserved.
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2 *
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3 * Permission is hereby granted, free of charge, to any person obtaining a copy
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4 * of this software and associated documentation files (the "Software"), to
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5 * deal in the Software without restriction, including without limitation the
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6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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7 * sell copies of the Software, and to permit persons to whom the Software is
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8 * furnished to do so, subject to the following conditions:
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9 *
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10 * The above copyright notice and this permission notice shall be included in
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11 * all copies or substantial portions of the Software.
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12 *
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13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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19 * IN THE SOFTWARE.
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20 */
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21
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22 #include <stdlib.h>
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23 #include "strtok.h"
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24
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25 char* uv__strtok(char* str, const char* sep, char** itr) {
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26 const char* sep_itr;
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27 char* tmp;
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28 char* start;
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29
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30 if (str == NULL)
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31 start = tmp = *itr;
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32 else
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33 start = tmp = str;
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34
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35 if (tmp == NULL)
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36 return NULL;
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37
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38 while (*tmp != '\0') {
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39 sep_itr = sep;
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40 while (*sep_itr != '\0') {
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41 if (*tmp == *sep_itr) {
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42 *itr = tmp + 1;
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43 *tmp = '\0';
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44 return start;
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45 }
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46 sep_itr++;
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47 }
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48 tmp++;
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49 }
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50 *itr = NULL;
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51 return start;
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52 }
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