| 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 | |