glibc/wctype/iswctype.c

56 lines
1.6 KiB
C

/* Copyright (C) 1996, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
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 <ctype.h>
#include <wctype.h>
#include "cname-lookup.h"
#include "wchar-lookup.h"
extern unsigned int *__ctype32_b;
int
__iswctype (wint_t wc, wctype_t desc)
{
if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_HASH_SIZE) != 0)
{
/* Old locale format. */
size_t idx;
idx = cname_lookup (wc);
if (idx == ~((size_t) 0))
return 0;
return __ctype32_b[idx] & desc;
}
else
{
/* If the user passes in an invalid DESC valid (the one returned from
`wctype' in case of an error) simply return 0. */
if (desc == (wctype_t) 0)
return 0;
/* New locale format. */
return wctype_table_lookup ((const char *) desc, wc);
}
}
weak_alias (__iswctype, iswctype)