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 <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
func(alnum,__ISwalnum)40 func (alnum, __ISwalnum)
41 libc_hidden_def (__iswalnum)
42 libc_hidden_weak (iswalnum)
43 #undef iswalpha
44 func (alpha, __ISwalpha)
45 libc_hidden_weak (iswalpha)
46 #undef iswblank
47 func (blank, __ISwblank)
48 #undef iswcntrl
49 func (cntrl, __ISwcntrl)
50 #undef iswdigit
51 func (digit, __ISwdigit)
52 libc_hidden_weak (iswdigit)
53 #undef iswlower
54 func (lower, __ISwlower)
55 libc_hidden_def (__iswlower)
56 libc_hidden_weak (iswlower)
57 #undef iswgraph
58 func (graph, __ISwgraph)
59 #undef iswprint
60 func (print, __ISwprint)
61 #undef iswpunct
62 func (punct, __ISwpunct)
63 #undef iswspace
64 func (space, __ISwspace)
65 libc_hidden_weak (iswspace)
66 #undef iswupper
67 func (upper, __ISwupper)
68 #undef iswxdigit
69 func (xdigit, __ISwxdigit)
70 libc_hidden_weak (iswxdigit)
71
72 #undef towlower
73 wint_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 }
80 libc_hidden_def (__towlower)
weak_alias(__towlower,towlower)81 weak_alias (__towlower, towlower)
82 libc_hidden_weak (towlower)
83
84 #undef towupper
85 wint_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 }
92 libc_hidden_def (__towupper)
93 weak_alias (__towupper, towupper)
94 libc_hidden_weak (towupper)
95