/* Test of fsync() function.
   Copyright (C) 2008, 2009, 2010 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 <http://www.gnu.org/licenses/>.  */

#include <config.h>

#include <unistd.h>

#include "signature.h"
SIGNATURE_CHECK (fsync, int, (int));

#include <errno.h>
#include <fcntl.h>

#include "macros.h"

int
main (void)
{
  int fd;
  const char *file = "test-fsync.txt";

  if (fsync (0) != 0)
    ASSERT (errno == EINVAL);
  fd = open (file, O_WRONLY|O_CREAT|O_TRUNC, 0644);
  ASSERT (0 <= fd);
  ASSERT (write (fd, "hello", 5) == 5);
  ASSERT (fsync (fd) == 0);
  ASSERT (close (fd) == 0);
  ASSERT (unlink (file) == 0);

  return 0;
}