xref: /csrg-svn/sbin/mount/mount_ufs.c (revision 68897)

/*-
 * Copyright (c) 1993, 1994
 *	The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1993, 1994\n\
	The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)mount_ufs.c	8.4 (Berkeley) 04/26/95";
#endif /* not lint */

#include <sys/param.h>
#include <sys/mount.h>

#include <err.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <ufs/ufs/ufsmount.h>

#include "mntopts.h"

void	ufs_usage __P((void));

static struct mntopt mopts[] = {
	MOPT_STDOPTS,
	MOPT_ASYNC,
	MOPT_SYNC,
	MOPT_UPDATE,
	MOPT_FORCE,
	{ NULL }
};

int
mount_ufs(argc, argv)
	int argc;
	char * const argv[];
{
	extern int optreset;
	struct ufs_args args;
	int ch, mntflags;
	char *fs_name;

	mntflags = 0;
	optind = optreset = 1;		/* Reset for parse of new argv. */
	while ((ch = getopt(argc, argv, "o:")) != EOF)
		switch (ch) {
		case 'o':
			getmntopts(optarg, mopts, &mntflags, 0);
			break;
		case '?':
		default:
			ufs_usage();
		}
	argc -= optind;
	argv += optind;

	if (argc != 2)
		ufs_usage();

        args.fspec = argv[0];		/* The name of the device file. */
	fs_name = argv[1];		/* The mount point. */

#define DEFAULT_ROOTUID	-2
	args.export.ex_root = DEFAULT_ROOTUID;
	if (mntflags & MNT_RDONLY)
		args.export.ex_flags = MNT_EXRDONLY;
	else
		args.export.ex_flags = 0;

	if (mount("ufs", fs_name, mntflags, &args) < 0) {
		(void)fprintf(stderr, "%s on %s: ", args.fspec, fs_name);
		switch (errno) {
		case EMFILE:
			(void)fprintf(stderr, "mount table full.\n");
			break;
		case EINVAL:
			if (mntflags & MNT_UPDATE)
				(void)fprintf(stderr,
		    "Specified device does not match mounted device.\n");
			else
				(void)fprintf(stderr,
				    "Incorrect super block.\n");
			break;
		default:
			(void)fprintf(stderr, "%s\n", strerror(errno));
			break;
		}
		return (1);
	}
	return (0);
}

void
ufs_usage()
{
	(void)fprintf(stderr, "usage: mount_ufs [-o options] special node\n");
	exit(1);
}