1 /* Copyright libuv project contributors. All rights reserved.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a copy
4 * of this software and associated documentation files (the "Software"), to
5 * deal in the Software without restriction, including without limitation the
6 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7 * sell copies of the Software, and to permit persons to whom the Software is
8 * furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19 * IN THE SOFTWARE.
20 */
21
22 #include <stdlib.h>
23 #include "strtok.h"
24
uv__strtok(char * str,const char * sep,char ** itr)25 char* uv__strtok(char* str, const char* sep, char** itr) {
26 const char* sep_itr;
27 char* tmp;
28 char* start;
29
30 if (str == NULL)
31 start = tmp = *itr;
32 else
33 start = tmp = str;
34
35 if (tmp == NULL)
36 return NULL;
37
38 while (*tmp != '\0') {
39 sep_itr = sep;
40 while (*sep_itr != '\0') {
41 if (*tmp == *sep_itr) {
42 *itr = tmp + 1;
43 *tmp = '\0';
44 return start;
45 }
46 sep_itr++;
47 }
48 tmp++;
49 }
50 *itr = NULL;
51 return start;
52 }
53