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/*
* eject implementation for busybox
*
* Copyright (C) 2004 Peter Willis <psyphreak@phreaker.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/*
* This is a simple hack of eject based on something Erik posted in #uclibc.
* Most of the dirty work blatantly ripped off from cat.c =)
*/
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/mount.h>
#include <mntent.h>
#include "busybox.h"
/* various defines swiped from linux/cdrom.h */
#define CDROMCLOSETRAY 0x5319 /* pendant of CDROMEJECT */
#define CDROMEJECT 0x5309 /* Ejects the cdrom media */
#define DEFAULT_CDROM "/dev/cdrom"
extern int eject_main(int argc, char **argv)
{
unsigned long flags;
char *device;
struct mntent *m;
flags = bb_getopt_ulflags(argc, argv, "t");
device=argv[optind] ? : DEFAULT_CDROM;
if((m = find_mount_point(device, bb_path_mtab_file))) {
if(umount(m->mnt_dir))
bb_error_msg_and_die("Can't umount");
else if(ENABLE_FEATURE_MTAB_SUPPORT) erase_mtab(m->mnt_fsname);
}
if (ioctl(bb_xopen( device, (O_RDONLY | O_NONBLOCK)),
( flags ? CDROMCLOSETRAY : CDROMEJECT)))
{
bb_perror_msg_and_die(device);
}
return(EXIT_SUCCESS);
}
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