glibc/wctype/wcfuncs_l.c

121 lines
4.0 KiB
C

/* Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#define __NO_WCTYPE
#include <wctype.h>
#include <stdint.h>
#define USE_IN_EXTENDED_LOCALE_MODEL
#include "cname-lookup.h"
#include "wchar-lookup.h"
/* Provide real-function versions of all the wctype macros. */
#define func(name, type) \
int name (wint_t wc, __locale_t locale) \
{ \
if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word != 0) \
{ \
/* Old locale format. */ \
const uint32_t *class32_b; \
size_t idx; \
\
idx = cname_lookup (wc, locale); \
if (idx == ~((size_t) 0)) \
return 0; \
\
class32_b = (uint32_t *) \
locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS32)].string; \
\
return class32_b[idx] & _ISwbit (type); \
} \
else \
{ \
/* New locale format. */ \
size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + type; \
const char *desc = locale->__locales[LC_CTYPE]->values[i].string; \
return wctype_table_lookup (desc, wc); \
} \
}
func (__iswalnum_l, __ISwalnum)
func (__iswalpha_l, __ISwalpha)
func (__iswcntrl_l, __ISwcntrl)
func (__iswdigit_l, __ISwdigit)
func (__iswlower_l, __ISwlower)
func (__iswgraph_l, __ISwgraph)
func (__iswprint_l, __ISwprint)
func (__iswpunct_l, __ISwpunct)
func (__iswspace_l, __ISwspace)
func (__iswupper_l, __ISwupper)
func (__iswxdigit_l, __ISwxdigit)
wint_t
(__towlower_l) (wint_t wc, __locale_t locale)
{
if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word != 0)
{
/* Old locale format. */
const int32_t *class32_tolower;
size_t idx;
idx = cname_lookup (wc, locale);
if (idx == ~((size_t) 0))
return 0;
class32_tolower = (const int32_t *)
locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOLOWER32)].string;
return class32_tolower[idx];
}
else
{
/* New locale format. */
size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_tolower;
const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
return wctrans_table_lookup (desc, wc);
}
}
wint_t
(__towupper_l) (wint_t wc, __locale_t locale)
{
if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word != 0)
{
/* Old locale format. */
const int32_t *class32_toupper;
size_t idx;
idx = cname_lookup (wc, locale);
if (idx == ~((size_t) 0))
return 0;
class32_toupper = (const int32_t *)
locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_TOUPPER32)].string;
return class32_toupper[idx];
}
else
{
/* New locale format. */
size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_toupper;
const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
return wctrans_table_lookup (desc, wc);
}
}