| /* Copyright (C) 1991-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <string.h> |
| |
| #undef strspn |
| #ifndef STRSPN |
| #define STRSPN strspn |
| #endif |
| |
| /* Return the length of the maximum initial segment |
| of S which contains only characters in ACCEPT. */ |
| size_t |
| STRSPN (const char *s, const char *accept) |
| { |
| const char *p; |
| const char *a; |
| size_t count = 0; |
| |
| for (p = s; *p != '\0'; ++p) |
| { |
| for (a = accept; *a != '\0'; ++a) |
| if (*p == *a) |
| break; |
| if (*a == '\0') |
| return count; |
| else |
| ++count; |
| } |
| |
| return count; |
| } |
| libc_hidden_builtin_def (strspn) |
