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eject: -T (implements single button open/close)

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This commit is contained in:
Denis Vlasenko 2006-10-02 20:49:25 +00:00
parent 546cd1881a
commit 2e864cd219
2 changed files with 25 additions and 9 deletions
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5
include/usage.h
View File

@ -638,11 +638,12 @@ USE_FEATURE_DATE_ISOFMT( \
"Erik\\nis\\ncool\n")
#define eject_trivial_usage \
"[-t] [DEVICE]"
"[-t] [-T] [DEVICE]"
#define eject_full_usage \
"Eject specified DEVICE (or default /dev/cdrom).\n\n" \
"Options:\n" \
"\t-t\tclose tray"
"\t-t\tclose tray\n" \
"\t-T\topen/close tray (toggle)"
#define ed_trivial_usage ""
#define ed_full_usage ""

29
miscutils/eject.c
View File

@ -21,25 +21,40 @@
#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;
flags = bb_getopt_ulflags(argc, argv, "t");
/*bb_opt_complementally = "t--T:T--t";*/
flags = bb_getopt_ulflags(argc, argv, "tT");
device = argv[optind] ? : DEFAULT_CDROM;
if ((m = find_mount_point(device, bb_path_mtab_file))) {
m = find_mount_point(device, bb_path_mtab_file);
if (m) {
if (umount(m->mnt_dir)) {
bb_error_msg_and_die("Can't umount");
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);
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);
}
return (EXIT_SUCCESS);
if (ENABLE_FEATURE_CLEAN_UP) close(dev);
return EXIT_SUCCESS;
}