text: /*
   * 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 Pace Willisson (pace@blitz.com).  The Rock Ridge Extension
   * Support code is derived from software contributed to Berkeley
   * by Atsushi Murai (amurai@spec.co.jp).
   *
   * 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.
   *
   *      @(#)mount_cd9660.c	8.7 (Berkeley) 5/1/95
   *
   * @(#) Copyright (c) 1992, 1993, 1994 The Regents of the University of California.  All rights reserved.
   * @(#)mount_cd9660.c	8.7 (Berkeley) 5/1/95
   * $FreeBSD: src/sbin/mount_cd9660/mount_cd9660.c,v 1.15.2.3 2001/03/14 12:05:01 bp Exp $
   */
  
  #include <sys/cdio.h>
  #include <sys/file.h>
  #include <sys/param.h>
  #include <sys/mount.h>
  #include <vfs/udf/udf_mount.h>
  
  #include <err.h>
  #include <errno.h>
  #include <mntopts.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include <sysexits.h>
  #include <unistd.h>
  
  struct mntopt mopts[] = {
  	MOPT_STDOPTS,
  	MOPT_UPDATE,
  	{ NULL, 0, 0, 0 }
  };
  
  void	usage(void);
  
  int
  main(int argc, char **argv)
  {
  	struct udf_args args;
  	int ch, mntflags, opts;
  	char *dev, *dir, mntpath[MAXPATHLEN];
  	struct vfsconf vfc;
  	int error, verbose;
  
  	mntflags = opts = verbose = 0;
  	memset(&args, 0, sizeof args);
  	while ((ch = getopt(argc, argv, "o:v")) != -1)
  		switch (ch) {
  		case 'o':
  			getmntopts(optarg, mopts, &mntflags, &opts);
  			break;
  		case 'v':
  			verbose++;
  			break;
  		case '?':
  		default:
  			usage();
  		}
  	argc -= optind;
  	argv += optind;
  
  	if (argc != 2)
  		usage();
  
  	dev = argv[0];
  	dir = argv[1];
  
  	/*
  	 * Resolve the mountpoint with realpath(3) and remove unnecessary
  	 * slashes from the devicename if there are any.
  	 */
  	checkpath(dir, mntpath);
  	rmslashes(dev, dev);
  
  #define DEFAULT_ROOTUID	-2
  	/*
  	 * UDF filesystems are not writeable.
  	 */
  	mntflags |= MNT_RDONLY;
  	args.export.ex_flags = MNT_EXRDONLY;
  	args.fspec = dev;
  	args.export.ex_root = DEFAULT_ROOTUID;
  	args.flags = opts;
  
  	error = getvfsbyname("udf", &vfc);
  	if (error && vfsisloadable("udf")) {
  		if (vfsload("udf"))
  			err(EX_OSERR, "vfsload(udf)");
  		endvfsent();	/* flush cache */
  		error = getvfsbyname("udf", &vfc);
  	}
  	if (error)
  		errx(1, "UDF filesystem is not available");
  
  	if (mount(vfc.vfc_name, mntpath, mntflags, &args) < 0)
  		err(1, "%s", args.fspec);
  	exit(0);
  }
  
  void
  usage(void)
  {
  	fprintf(stderr, "usage: mount_udf [-o options] special node\n");
  	exit(EX_USAGE);
  }
  