/* 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 CDROM_DRIVE_STATUS 0x5326 /* Get tray position, etc. */
+/* drive status possibilities returned by CDROM_DRIVE_STATUS ioctl */
+#define CDS_TRAY_OPEN 2
#define FLAG_CLOSE 1
#define FLAG_SMART 2
unsigned long flags;
char *device;
struct mntent *m;
- int dev;
+ int dev, cmd;
- /*opt_complementary = "t--T:T--t";*/
+ opt_complementary = "?:?1:t--T:T--t";
flags = getopt32(argc, argv, "tT");
- device = argv[optind] ? : DEFAULT_CDROM;
+ device = argv[optind] ? : "/dev/cdrom";
+ // FIXME: what if something is mounted OVER our cdrom?
+ // We will unmount something else??!
+ // What if cdrom is mounted many times?
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) {
+ if (umount(m->mnt_dir))
+ bb_error_msg_and_die("can't umount %s", device);
+ 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);
+ cmd = CDROMEJECT;
+ if (flags & FLAG_CLOSE
+ || (flags & FLAG_SMART && ioctl(dev, CDROM_DRIVE_STATUS) == CDS_TRAY_OPEN))
+ cmd = CDROMCLOSETRAY;
+ if (ioctl(dev, cmd)) {
+ bb_perror_msg_and_die("%s", device);
}
- if (ENABLE_FEATURE_CLEAN_UP) close(dev);
+ if (ENABLE_FEATURE_CLEAN_UP)
+ close(dev);
return EXIT_SUCCESS;
}
opt_complementary = GET_COMPL PUT_COMPL;
#endif
-
- cmd = getopt32(argc, argv, GET PUT "l:r:" BS,
- &localfile, &remotefile BS_ARG);
+ cmd = getopt32(argc, argv, GET PUT "l:r:" BS, &localfile, &remotefile BS_ARG);
cmd &= (tftp_cmd_get | tftp_cmd_put);
#ifdef CONFIG_FEATURE_TFTP_GET
if (cmd == tftp_cmd_get && result != EXIT_SUCCESS)
unlink(localfile);
}
- return (result);
+ return result;
}