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

2 files changed, 25 insertions, 9 deletions

diff --git a/include/usage.h b/include/usage.h
index 1da436ad4..40676c113 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -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 ""
diff --git a/miscutils/eject.c b/miscutils/eject.c
index 282090d38..272d95980 100644
--- a/miscutils/eject.c
+++ b/miscutils/eject.c
@@ -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;
 }