From 000b9ba91f64a348d697fb22a546cfb4db1d9f0e Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Thu, 5 Oct 2006 23:12:49 +0000
Subject: [PATCH] eject: -T fix

---
 miscutils/eject.c  | 36 ++++++++++++++++++++----------------
 networking/tftp.c  |  6 ++----
 util-linux/rdate.c |  4 ++--
 3 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/miscutils/eject.c b/miscutils/eject.c
index d49396be6..b07f536b1 100644
--- a/miscutils/eject.c
+++ b/miscutils/eject.c
@@ -19,7 +19,9 @@
 /* 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
@@ -29,32 +31,34 @@ int eject_main(int argc, char **argv)
 	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;
 }
diff --git a/networking/tftp.c b/networking/tftp.c
index 5f0c190e2..bfe94aca2 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -502,9 +502,7 @@ int tftp_main(int argc, char **argv)
 	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
@@ -559,5 +557,5 @@ int tftp_main(int argc, char **argv)
 		if (cmd == tftp_cmd_get && result != EXIT_SUCCESS)
 			unlink(localfile);
 	}
-	return (result);
+	return result;
 }
diff --git a/util-linux/rdate.c b/util-linux/rdate.c
index c24465dc3..6ad055434 100644
--- a/util-linux/rdate.c
+++ b/util-linux/rdate.c
@@ -73,10 +73,10 @@ int rdate_main(int argc, char **argv)
 
 		time(&current_time);
 		if (current_time == remote_time)
-			bb_error_msg("Current time matches remote time.");
+			bb_error_msg("current time matches remote time");
 		else
 			if (stime(&remote_time) < 0)
-				bb_perror_msg_and_die("Could not set time of day");
+				bb_perror_msg_and_die("cannot set time of day");
 	}
 
 	if ((flags & 1) == 0)