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/* Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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. */
#include <endian.h>
#include <string.h>
#include <wctype.h>
#include <locale/localeinfo.h>
wctype_t
__wctype_l (const char *property, __locale_t locale)
{
const char *names;
unsigned int result;
size_t proplen = strlen (property);
names = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_NAMES)].string;
for (result = 0; ; result++)
{
size_t nameslen = strlen (names);
if (proplen == nameslen && memcmp (property, names, proplen) == 0)
break;
names += nameslen + 1;
if (names[0] == '\0')
return 0;
}
if (locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_HASH_SIZE)].word == 0)
{
/* Old locale format. */
#if __BYTE_ORDER == __BIG_ENDIAN
return 1 << result;
#else
# define SWAPU32(w) \
(((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
return 1 << (result ^ 0x18); /* = SWAPU32 (1 << result); */
#endif
}
else
{
/* New locale format. */
size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + result;
return (wctype_t) locale->__locales[LC_CTYPE]->values[i].string;
}
}
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