1 | /* Copyright (C) 1992-2021 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <string.h> |
19 | |
20 | #undef __strsep |
21 | #undef strsep |
22 | |
23 | char * |
24 | __strsep (char **stringp, const char *delim) |
25 | { |
26 | char *begin, *end; |
27 | |
28 | begin = *stringp; |
29 | if (begin == NULL) |
30 | return NULL; |
31 | |
32 | /* Find the end of the token. */ |
33 | end = begin + strcspn (begin, delim); |
34 | |
35 | if (*end) |
36 | { |
37 | /* Terminate the token and set *STRINGP past NUL character. */ |
38 | *end++ = '\0'; |
39 | *stringp = end; |
40 | } |
41 | else |
42 | /* No more delimiters; this is the last token. */ |
43 | *stringp = NULL; |
44 | |
45 | return begin; |
46 | } |
47 | weak_alias (__strsep, strsep) |
48 | strong_alias (__strsep, __strsep_g) |
49 | libc_hidden_def (__strsep) |
50 | libc_hidden_def (__strsep_g) |
51 | |