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/* 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 "internal.h" #include <stdio.h> #include <sys/ioctl.h> #include <linux/fd.h> #include <fcntl.h> extern int fdflush_main(int argc, char **argv) { int value; int fd; if (argc <= 1 || **(argv++) == '-') { usage("fdflush device\n"); } fd = open(*argv, 0); if (fd < 0) { perror(*argv); exit(FALSE); } value = ioctl(fd, FDFLUSH, 0); close(fd); if (value) { perror(*argv); exit(FALSE); } exit(TRUE); } |