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glibc  2.9
wctype_l.c
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00001 /* Copyright (C) 1996,97,2000,01,02 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@gnu.org>, 1996.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <endian.h>
00021 #include <locale.h>
00022 #include <string.h>
00023 #include <wctype.h>
00024 #include <locale/localeinfo.h>
00025 
00026 wctype_t
00027 __wctype_l (const char *property, __locale_t locale)
00028 {
00029   const char *names;
00030   unsigned int result;
00031   size_t proplen = strlen (property);
00032   size_t i;
00033 
00034   names = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_NAMES)].string;
00035   for (result = 0; ; result++)
00036     {
00037       size_t nameslen = strlen (names);
00038 
00039       if (proplen == nameslen && memcmp (property, names, proplen) == 0)
00040        break;
00041 
00042       names += nameslen + 1;
00043       if (names[0] == '\0')
00044        return 0;
00045     }
00046 
00047   i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + result;
00048   return (wctype_t) locale->__locales[LC_CTYPE]->values[i].string;
00049 }
00050 weak_alias (__wctype_l, wctype_l)