NetBSD/sbin/mount_efs/mount_efs.c

117 lines
2.4 KiB
C

/* $NetBSD: mount_efs.c,v 1.4 2008/08/05 20:57:45 pooka Exp $ */
/*
* Copyright (c) 2006 Stephen M. Rumble <rumble@ephemeral.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/mount.h>
#include <fs/efs/efs.h>
#include <fs/efs/efs_sb.h>
#include <fs/efs/efs_mount.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <mntopts.h>
#include "mountprog.h"
#include "mount_efs.h"
static const struct mntopt mopts[] = {
MOPT_STDOPTS,
MOPT_GETARGS,
MOPT_FORCE,
MOPT_NULL
};
static void usage(void);
static void
usage()
{
fprintf(stderr, "usage: %s [-o options] special node\n", getprogname());
exit(1);
}
void
mount_efs_parseargs(int argc, char **argv,
struct efs_args *args, int *mntflags,
char *canon_dev, char *canon_dir)
{
int ch;
extern int optind;
extern char *optarg;
mntoptparse_t mp;
memset(args, 0, sizeof(*args));
*mntflags = 0;
while ((ch = getopt(argc, argv, "o:")) != -1) {
switch (ch) {
case 'o':
mp = getmntopts(optarg, mopts, mntflags, NULL);
if (mp == NULL)
err(1, "getmntopts");
freemntopts(mp);
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 2)
usage();
pathadj(argv[0], canon_dev);
pathadj(argv[1], canon_dir);
args->fspec = canon_dev;
args->version = EFS_MNT_VERSION;
}
int
mount_efs(int argc, char **argv)
{
char special[MAXPATHLEN], node[MAXPATHLEN];
struct efs_args args;
int mntflags;
mount_efs_parseargs(argc, argv, &args, &mntflags, special, node);
if (mount(MOUNT_EFS, node, mntflags, &args, sizeof args) == -1)
err(EXIT_FAILURE, "%s on %s", special, node);
return (0);
}
#ifndef MOUNT_NOMAIN
int
main(int argc, char **argv)
{
setprogname(argv[0]);
return (mount_efs(argc, argv));
}
#endif