64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <endian.h>
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#include <string.h>
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#include <wctype.h>
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#include <locale/localeinfo.h>
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wctype_t
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__wctype (const char *property)
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{
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const char *names;
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unsigned int result;
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size_t proplen = strlen (property);
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names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS_NAMES);
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for (result = 0; ; result++)
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{
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size_t nameslen = strlen (names);
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if (proplen == nameslen && memcmp (property, names, proplen) == 0)
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break;
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names += nameslen + 1;
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if (names[0] == '\0')
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return 0;
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}
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if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_HASH_SIZE) != 0)
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{
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/* Old locale format. */
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#if __BYTE_ORDER == __BIG_ENDIAN
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return 1 << result;
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#else
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# define SWAPU32(w) \
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(((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
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return 1 << (result ^ 0x18); /* = SWAPU32 (1 << result); */
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#endif
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}
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else
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{
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/* New locale format. */
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size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + result;
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return (wctype_t) _nl_current_LC_CTYPE->values[i].string;
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}
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}
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weak_alias (__wctype, wctype)
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