| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Copyright (C) 1991-2016 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 | <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | #include <string.h> |
| 19 | |
| 20 | #undef strcspn |
| 21 | |
| 22 | #ifndef STRCSPN |
| 23 | # define STRCSPN strcspn |
| 24 | #endif |
| 25 | |
| 26 | /* Return the length of the maximum initial segment of S |
| 27 | which contains no characters from REJECT. */ |
| 28 | size_t |
| 29 | STRCSPN (const char *s, const char *reject) |
| 30 | { |
| 31 | size_t count = 0; |
| 32 | |
| 33 | while (*s != '\0') |
| 34 | if (strchr (reject, *s++) == NULL) |
| 35 | ++count; |
| 36 | else |
| 37 | return count; |
| 38 | |
| 39 | return count; |
| 40 | } |
| 41 | libc_hidden_builtin_def (strcspn) |