/* vi: set sw=4 ts=4: *//* * Mini fdflush implementation for busybox * * * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>. * * 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 2 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */#include <stdio.h>#include <sys/ioctl.h>#include <fcntl.h>#include <stdlib.h>#include "busybox.h"/* From <linux/fd.h> */#define FDFLUSH  _IO(2,0x4b)extern int fdflush_main(int argc, char **argv){	int fd;	if (argc <= 1 || **(++argv) == '-')		show_usage();	if ((fd = open(*argv, 0)) < 0)		perror_msg_and_die("%s", *argv);	if (ioctl(fd, FDFLUSH, 0))		perror_msg_and_die("%s", *argv);	return EXIT_SUCCESS;}