GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: sbin/mount_ext2fs/mount_ext2fs.c Lines: 0 31 0.0 %
Date: 2016-12-06 Branches: 0 16 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: mount_ext2fs.c,v 1.18 2015/12/08 15:56:42 tedu Exp $	*/
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/*	$NetBSD: mount_ffs.c,v 1.3 1996/04/13 01:31:19 jtc Exp $	*/
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/*-
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 * Copyright (c) 1993, 1994
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#include "mntopts.h"
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void	ext2fs_usage(void);
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static const struct mntopt mopts[] = {
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	MOPT_STDOPTS,
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	MOPT_UPDATE,
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	{ NULL }
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};
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int
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main(int argc, char *argv[])
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{
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	struct ufs_args args;		/* XXX ffs_args */
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	int ch, mntflags;
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	char fs_name[PATH_MAX], *errcause;
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	mntflags = 0;
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	optind = optreset = 1;		/* Reset for parse of new argv. */
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	while ((ch = getopt(argc, argv, "o:")) != -1)
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		switch (ch) {
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		case 'o':
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			getmntopts(optarg, mopts, &mntflags);
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			break;
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		case '?':
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		default:
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			ext2fs_usage();
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		}
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	argc -= optind;
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	argv += optind;
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	if (argc != 2)
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		ext2fs_usage();
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	args.fspec = argv[0];		/* The name of the device file. */
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	if (realpath(argv[1], fs_name) == NULL)	/* The mount point. */
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		err(1, "realpath %s", argv[1]);
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#define DEFAULT_ROOTUID	-2
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	args.export_info.ex_root = DEFAULT_ROOTUID;
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	if (mntflags & MNT_RDONLY)
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		args.export_info.ex_flags = MNT_EXRDONLY;
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	else
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		args.export_info.ex_flags = 0;
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	if (mount(MOUNT_EXT2FS, fs_name, mntflags, &args) < 0) {
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		switch (errno) {
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		case EMFILE:
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			errcause = "mount table full";
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			break;
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		case EINVAL:
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			errcause =
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			    "specified device does not match mounted device";
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			break;
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		case EOPNOTSUPP:
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			errcause = "filesystem not supported by kernel";
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			break;
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		default:
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			errcause = strerror(errno);
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			break;
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		}
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		errx(1, "%s on %s: %s", args.fspec, fs_name, errcause);
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	}
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	exit(0);
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}
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void
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ext2fs_usage(void)
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{
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	(void)fprintf(stderr,
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		"usage: mount_ext2fs [-o options] special node\n");
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	exit(1);
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}