NetBSD/sbin/mount_kernfs/mount_kernfs.c
1993-07-30 01:00:27 +00:00

103 lines
2.8 KiB
C

/*
* Copyright (c) 1990, 1992 Jan-Simon Pendry
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry.
*
* 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.
*
* 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.
*
* $Id: mount_kernfs.c,v 1.2 1993/07/30 01:01:35 mycroft Exp $
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mount.h>
main(c, v)
int c;
char *v[];
{
extern char *optarg;
extern int optind;
int ch;
int usage = 0;
int mntflags;
char *dummy;
char *mountpt;
int rc;
char *pname;
pname = strrchr(v[0], '/');
if (pname == NULL)
pname = v[0];
else
pname++;
/*
* Crack -F option
*/
while ((ch = getopt(c, v, "F:")) != EOF)
switch (ch) {
case 'F':
mntflags = atoi(optarg);
break;
default:
case '?':
usage++;
break;
}
/*
* Need two more arguments
*/
if (optind != (c - 2))
usage++;
if (usage) {
fputs("usage: mount_kernfs [ fsoptions ] kern mount-point\n", stderr);
exit(1);
}
/*
* Get target and mount point
*/
dummy = v[optind];
mountpt = v[optind+1];
rc = mount(MOUNT_KERNFS, mountpt, mntflags, (caddr_t) 0);
if (rc < 0) {
perror(pname);
exit(1);
}
exit(0);
}