| 1 | /* Copyright (C) 1996-2021 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | Contributed by Ulrich Drepper <drepper@gnu.org>, 1996. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <endian.h> |
| 20 | #include <string.h> |
| 21 | #include <wctype.h> |
| 22 | #include <locale/localeinfo.h> |
| 23 | |
| 24 | wctype_t |
| 25 | __wctype (const char *property) |
| 26 | { |
| 27 | const char *names; |
| 28 | unsigned int result; |
| 29 | size_t proplen = strlen (property); |
| 30 | size_t i; |
| 31 | |
| 32 | names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS_NAMES); |
| 33 | for (result = 0; ; result++) |
| 34 | { |
| 35 | size_t nameslen = strlen (names); |
| 36 | |
| 37 | if (proplen == nameslen && memcmp (property, names, proplen) == 0) |
| 38 | break; |
| 39 | |
| 40 | names += nameslen + 1; |
| 41 | if (names[0] == '\0') |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + result; |
| 46 | return (wctype_t) _NL_CURRENT_DATA (LC_CTYPE)->values[i].string; |
| 47 | } |
| 48 | weak_alias (__wctype, wctype) |
| 49 | |