1/* Copyright (C) 1996-2023 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 <endian.h>
19#include <string.h>
20#include <wctype.h>
21#include <locale/localeinfo.h>
22
23wctype_t
24__wctype (const char *property)
25{
26 const char *names;
27 unsigned int result;
28 size_t proplen = strlen (property);
29 size_t i;
30
31 names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS_NAMES);
32 for (result = 0; ; result++)
33 {
34 size_t nameslen = strlen (names);
35
36 if (proplen == nameslen && memcmp (property, names, proplen) == 0)
37 break;
38
39 names += nameslen + 1;
40 if (names[0] == '\0')
41 return 0;
42 }
43
44 i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + result;
45 return (wctype_t) _NL_CURRENT_DATA (LC_CTYPE)->values[i].string;
46}
47weak_alias (__wctype, wctype)
48