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glibc  2.9
iswctype.c
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00001 /* Copyright (C) 1996, 2000, 2002 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
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 <ctype.h>
00021 #include <wctype.h>
00022 
00023 #include "wchar-lookup.h"
00024 
00025 #undef __iswctype
00026 
00027 int
00028 __iswctype (wint_t wc, wctype_t desc)
00029 {
00030   /* If the user passes in an invalid DESC valid (the one returned from
00031      `wctype' in case of an error) simply return 0.  */
00032   if (desc == (wctype_t) 0)
00033     return 0;
00034 
00035   return wctype_table_lookup ((const char *) desc, wc);
00036 }
00037 libc_hidden_def (__iswctype)
00038 weak_alias (__iswctype, iswctype)