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Don't use expensive wide char lookups in isw* functions if character is in ASCII...
[thirdparty/glibc.git] / wctype / wcfuncs_l.c
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5d953aef 1/* Copyright (C) 1996,1997,2000-2002,2004,2005 Free Software Foundation, Inc.
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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
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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.
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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
41bdb6e2 12 Lesser General Public License for more details.
c84142e8 13
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14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
c84142e8 18
5d953aef 19#include <ctype.h>
c84142e8 20#include <wctype.h>
b02b9253 21#include <stdint.h>
6d6e4021 22#include <locale.h>
4c7d276e 23#include <locale/localeinfo.h>
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24
25#define USE_IN_EXTENDED_LOCALE_MODEL
ef446144 26#include "wchar-lookup.h"
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27
28/* Provide real-function versions of all the wctype macros. */
29
30#define func(name, type) \
5d953aef 31 int __isw##name (wint_t wc, __locale_t locale) \
ef446144 32 { \
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33 if (isascii (wc)) \
34 return is##name ((int) wc, locale); \
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35 size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + type; \
36 const char *desc = locale->__locales[LC_CTYPE]->values[i].string; \
37 return wctype_table_lookup (desc, wc); \
08f60074 38 } \
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39 libc_hidden_def (__isw##name) \
40 weak_alias (__isw##name, isw##name)
ef446144 41
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42func (alnum_l, __ISwalnum)
43func (alpha_l, __ISwalpha)
44func (blank_l, __ISwblank)
45func (cntrl_l, __ISwcntrl)
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46#undef iswdigit_l
47#undef __iswdigit_l
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48func (digit_l, __ISwdigit)
49func (lower_l, __ISwlower)
50func (graph_l, __ISwgraph)
51func (print_l, __ISwprint)
52func (punct_l, __ISwpunct)
53func (space_l, __ISwspace)
54func (upper_l, __ISwupper)
55func (xdigit_l, __ISwxdigit)
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56
57wint_t
58(__towlower_l) (wint_t wc, __locale_t locale)
59{
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60 size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_tolower;
61 const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
62 return wctrans_table_lookup (desc, wc);
c84142e8 63}
a20d8dbe 64libc_hidden_def (__towlower_l)
1ab62b32 65weak_alias (__towlower_l, towlower_l)
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66
67wint_t
68(__towupper_l) (wint_t wc, __locale_t locale)
69{
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70 size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_toupper;
71 const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
72 return wctrans_table_lookup (desc, wc);
c84142e8 73}
a20d8dbe 74libc_hidden_def (__towupper_l)
1ab62b32 75weak_alias (__towupper_l, towupper_l)