NetBSD/sys/arch/i386/floppy/umount/umount.c
cgd 536b9f6e5c A place to build binaries for floppies. always static, always OMAGIC.
note that some have been rewritten (echo, umount) and some are compiled
with options that make them smaller.
1994-04-18 08:47:08 +00:00

71 lines
2.3 KiB
C

/*
* Copyright (c) 1994 Christopher G. Demetriou
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static char rcsid[] = "$Id: umount.c,v 1.1 1994/04/18 08:47:45 cgd Exp $";
#endif /* not lint */
#include <sys/types.h>
#include <sys/mount.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define errprint(x) write(STDERR_FILENO, x, strlen(x))
int eval, fflag = MNT_NOFORCE;
int
main(argc, argv)
int argc;
char **argv;
{
sync();
argc--;
if (strcmp(*++argv, "-f") == 0) {
fflag = MNT_FORCE;
argc--;
argv++;
}
if (*++argv && **argv == '-') {
errprint("usage: umount [-f] node ...");
_exit(1);
}
for (eval = 0; *argv; ++argv)
if (unmount(*argv, MNT_NOFORCE)) {
errprint(*argv);
errprint(": couldn't unmount");
eval = 1;
}
_exit(eval);
}