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 <ctype.h>
19#include <wctype.h>
20#include <locale/localeinfo.h>
21
22#include "wchar-lookup.h"
23
24/* Provide real-function versions of all the wctype macros. */
25
26#define func(name, type) \
27 extern int __isw##name (wint_t __wc); \
28 int \
29 __isw##name (wint_t wc) \
30 { \
31 if (isascii (wc)) \
32 return is##name ((int) wc); \
33 size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + type; \
34 const char *desc = _NL_CURRENT (LC_CTYPE, i); \
35 return wctype_table_lookup (desc, wc); \
36 } \
37 weak_alias (__isw##name, isw##name)
38
39#undef iswalnum
40func (alnum, __ISwalnum)
41libc_hidden_def (__iswalnum)
42libc_hidden_weak (iswalnum)
43#undef iswalpha
44func (alpha, __ISwalpha)
45libc_hidden_weak (iswalpha)
46#undef iswblank
47func (blank, __ISwblank)
48#undef iswcntrl
49func (cntrl, __ISwcntrl)
50#undef iswdigit
51func (digit, __ISwdigit)
52libc_hidden_weak (iswdigit)
53#undef iswlower
54func (lower, __ISwlower)
55libc_hidden_def (__iswlower)
56libc_hidden_weak (iswlower)
57#undef iswgraph
58func (graph, __ISwgraph)
59#undef iswprint
60func (print, __ISwprint)
61#undef iswpunct
62func (punct, __ISwpunct)
63#undef iswspace
64func (space, __ISwspace)
65libc_hidden_weak (iswspace)
66#undef iswupper
67func (upper, __ISwupper)
68#undef iswxdigit
69func (xdigit, __ISwxdigit)
70libc_hidden_weak (iswxdigit)
71
72#undef towlower
73wint_t
74__towlower (wint_t wc)
75{
76 size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + __TOW_tolower;
77 const char *desc = _NL_CURRENT (LC_CTYPE, i);
78 return wctrans_table_lookup (desc, wc);
79}
80libc_hidden_def (__towlower)
81weak_alias (__towlower, towlower)
82libc_hidden_weak (towlower)
83
84#undef towupper
85wint_t
86__towupper (wint_t wc)
87{
88 size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + __TOW_toupper;
89 const char *desc = _NL_CURRENT (LC_CTYPE, i);
90 return wctrans_table_lookup (desc, wc);
91}
92libc_hidden_def (__towupper)
93weak_alias (__towupper, towupper)
94libc_hidden_weak (towupper)
95