mirror of
https://github.com/sheumann/hush.git
synced 2024-08-27 03:29:05 +00:00
It is impossible to formulate sane ABI based on size of ulong because it can be 32-bit or 64-bit. Basically it means that you cannot portably use more that 32 option chars in one call anyway... Make it explicit.
61 lines
1.4 KiB
C
61 lines
1.4 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"
|
|
|
|
#define FLAG_CLOSE 1
|
|
#define FLAG_SMART 2
|
|
|
|
int eject_main(int argc, char **argv)
|
|
{
|
|
unsigned long flags;
|
|
char *device;
|
|
struct mntent *m;
|
|
int dev;
|
|
|
|
/*opt_complementary = "t--T:T--t";*/
|
|
flags = getopt32(argc, argv, "tT");
|
|
device = argv[optind] ? : DEFAULT_CDROM;
|
|
|
|
m = find_mount_point(device, bb_path_mtab_file);
|
|
if (m) {
|
|
if (umount(m->mnt_dir)) {
|
|
bb_error_msg_and_die("can't umount");
|
|
} else if (ENABLE_FEATURE_MTAB_SUPPORT) {
|
|
erase_mtab(m->mnt_fsname);
|
|
}
|
|
}
|
|
|
|
dev = xopen(device, O_RDONLY|O_NONBLOCK);
|
|
|
|
if (flags & FLAG_CLOSE) goto close_tray;
|
|
|
|
if (ioctl(dev, CDROMEJECT)) {
|
|
close_tray:
|
|
if (ioctl(dev, CDROMCLOSETRAY))
|
|
bb_perror_msg_and_die("%s", device);
|
|
}
|
|
|
|
if (ENABLE_FEATURE_CLEAN_UP) close(dev);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|