NetBSD/sbin/mount_procfs/mount_procfs.c

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/* $NetBSD: mount_procfs.c,v 1.12 2001/01/17 00:09:54 fvdl Exp $ */
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/*
* Copyright (c) 1990, 1992, 1993 Jan-Simon Pendry
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry.
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*
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
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*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
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*/
#include <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\
The Regents of the University of California. All rights reserved.\n");
#endif /* not lint */
#ifndef lint
#if 0
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static char sccsid[] = "@(#)mount_procfs.c 8.4 (Berkeley) 4/26/95";
#else
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__RCSID("$NetBSD: mount_procfs.c,v 1.12 2001/01/17 00:09:54 fvdl Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
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#include <sys/mount.h>
#include <err.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <miscfs/procfs/procfs.h>
#include "mntopts.h"
static const struct mntopt mopts[] = {
MOPT_STDOPTS,
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{ "linux", 0, PROCFSMNT_LINUXCOMPAT, 1},
{ NULL }
};
int main __P((int, char *[]));
int mount_procfs __P((int argc, char **argv));
static void usage __P((void));
#ifndef MOUNT_NOMAIN
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int
main(argc, argv)
int argc;
char **argv;
{
return mount_procfs(argc, argv);
}
#endif
int
mount_procfs(argc, argv)
int argc;
char *argv[];
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{
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int ch, mntflags, altflags;
struct procfs_args args;
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mntflags = altflags = 0;
while ((ch = getopt(argc, argv, "o:")) != -1)
switch (ch) {
case 'o':
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getmntopts(optarg, mopts, &mntflags, &altflags);
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break;
case '?':
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default:
usage();
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}
argc -= optind;
argv += optind;
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if (argc != 2)
usage();
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args.version = PROCFS_ARGSVERSION;
args.flags = altflags;
if (mount(MOUNT_PROCFS, argv[1], mntflags, &args))
err(1, "procfs on %s", argv[1]);
exit(0);
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}
static void
usage()
{
(void)fprintf(stderr,
"usage: mount_procfs [-o options] /proc mount_point\n");
exit(1);
}