54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/*
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* Mini fdflush implementation for busybox
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*
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* Copyright (C) 1998 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "internal.h"
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include <linux/fd.h>
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#include <fcntl.h>
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extern int fdflush_main(int argc, char **argv)
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{
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int value;
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int fd;
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if ( **(argv+1) == '-' ) {
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fprintf(stderr, "Usage: fdflush device\n");
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exit(FALSE);
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}
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fd = open(*argv, 0);
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if ( fd < 0 ) {
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perror(*argv);
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exit(FALSE);
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}
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value = ioctl(fd, FDFLUSH, 0);
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close(fd);
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if ( value ) {
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perror(*argv);
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exit(FALSE);
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}
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exit (TRUE);
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}
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