mirror of
https://github.com/sheumann/hush.git
synced 2024-11-01 10:06:40 +00:00
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* eject implementation for busybox
|
|
*
|
|
* Copyright (C) 2004 Peter Willis <psyphreak@phreaker.net>
|
|
* Copyright (C) 2005 Tito Ragusa <farmatito@tiscali.it>
|
|
*
|
|
* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
|
|
*/
|
|
|
|
/*
|
|
* 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 "busybox.h"
|
|
#include <mntent.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"
|
|
|
|
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(xopen(device, (O_RDONLY | O_NONBLOCK)),
|
|
(flags ? CDROMCLOSETRAY : CDROMEJECT))) {
|
|
bb_perror_msg_and_die("%s", device);
|
|
}
|
|
return (EXIT_SUCCESS);
|
|
}
|