source: kBuild/vendor/grep/current/gnulib-tests/test-wchar.c

/* Test of <wchar.h> substitute.
   Copyright (C) 2007-2021 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

#include <wchar.h>

#include "verify.h"

/* Check that the types wchar_t and wint_t are defined.  */
wchar_t a = 'c';
wint_t b = 'x';

/* Check that NULL can be passed through varargs as a pointer type,
   per POSIX 2008.  */
verify (sizeof NULL == sizeof (void *));

int
main (void)
{
  return 0;
}