Update.
[glibc.git] / wctype / wctype_l.c
blob0a195045035ed70c167ba6178c5cacd77ccff26e
1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #include <endian.h>
21 #include <string.h>
22 #include <wctype.h>
23 #include <locale/localeinfo.h>
25 wctype_t
26 __wctype_l (const char *property, __locale_t locale)
28 const char *names;
29 wctype_t result;
30 size_t proplen = strlen (property);
32 names = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_NAMES)].string;
33 for (result = 1; result != 0; result <<= 1)
35 size_t nameslen = strlen (names);
37 if (proplen == nameslen && memcmp (property, names, proplen) == 0)
38 break;
40 names += nameslen + 1;
41 if (names[0] == '\0')
42 return 0;
45 #if __BYTE_ORDER == __BIG_ENDIAN
46 return result;
47 #else
48 # define SWAPU32(w) \
49 (((w) << 24) | (((w) & 0xff00) << 8) | (((w) >> 8) & 0xff00) | ((w) >> 24))
51 return SWAPU32 (result);
52 #endif