glibc/wctype/wcextra.c

42 lines
1.4 KiB
C

/* Additional non standardized wide character classification functions.
Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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 <stdint.h>
#define __NO_WCTYPE 1
#include <wctype.h>
#include "cname-lookup.h"
/* If the program is compiled without optimization the following declaration
is not visible in the header. */
extern unsigned int *__ctype32_b;
int
(iswblank) (wint_t wc)
{
size_t idx;
idx = cname_lookup (wc);
if (idx == ~((size_t) 0))
return 0;
return __ctype32_b[idx] & _ISwblank;
}