1/* Copyright (C) 1996-2022 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 <ctype.h>
19#include <wctype.h>
20#include <stdint.h>
21#include <locale.h>
22#include <locale/localeinfo.h>
23
24#define USE_IN_EXTENDED_LOCALE_MODEL
25#include "wchar-lookup.h"
26
27/* Provide real-function versions of all the wctype macros. */
28
29#define func(name, type) \
30 int __isw##name (wint_t wc, locale_t locale) \
31 { \
32 if (isascii (wc)) \
33 return is##name ((int) wc, locale); \
34 size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + type; \
35 const char *desc = locale->__locales[LC_CTYPE]->values[i].string; \
36 return wctype_table_lookup (desc, wc); \
37 } \
38 libc_hidden_def (__isw##name) \
39 weak_alias (__isw##name, isw##name)
40
41func (alnum_l, __ISwalnum)
42func (alpha_l, __ISwalpha)
43func (blank_l, __ISwblank)
44func (cntrl_l, __ISwcntrl)
45#undef iswdigit_l
46#undef __iswdigit_l
47func (digit_l, __ISwdigit)
48func (lower_l, __ISwlower)
49func (graph_l, __ISwgraph)
50func (print_l, __ISwprint)
51func (punct_l, __ISwpunct)
52func (space_l, __ISwspace)
53func (upper_l, __ISwupper)
54func (xdigit_l, __ISwxdigit)
55
56wint_t
57(__towlower_l) (wint_t wc, locale_t locale)
58{
59 size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_tolower;
60 const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
61 return wctrans_table_lookup (table: desc, wc);
62}
63libc_hidden_def (__towlower_l)
64weak_alias (__towlower_l, towlower_l)
65
66wint_t
67(__towupper_l) (wint_t wc, locale_t locale)
68{
69 size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_toupper;
70 const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
71 return wctrans_table_lookup (table: desc, wc);
72}
73libc_hidden_def (__towupper_l)
74weak_alias (__towupper_l, towupper_l)
75

source code of glibc/wctype/wcfuncs_l.c