Correcting tag name to be like previous ones1_3_0

1 files changed, 60 insertions, 0 deletions

diff --git a/miscutils/eject.c b/miscutils/eject.c
new file mode 100644
index 000000000..ff23b1666
--- /dev/null
+++ b/miscutils/eject.c
@@ -0,0 +1,60 @@
+/* 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"
+
+/* various defines swiped from linux/cdrom.h */
+#define CDROMCLOSETRAY            0x5319  /* pendant of CDROMEJECT  */
+#define CDROMEJECT                0x5309  /* Ejects the cdrom media */
+#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
+
+int eject_main(int argc, char **argv)
+{
+	unsigned long flags;
+	char *device;
+	int dev, cmd;
+
+	opt_complementary = "?:?1:t--T:T--t";
+	flags = getopt32(argc, argv, "tT");
+	device = argv[optind] ? : "/dev/cdrom";
+
+	// We used to do "umount <device>" here, but it was buggy
+	// if something was mounted OVER cdrom and
+	// if cdrom is mounted many times.
+	//
+	// This works equally well (or better):
+	// #!/bin/sh
+	// umount /dev/cdrom
+	// eject
+
+	dev = xopen(device, O_RDONLY|O_NONBLOCK);
+	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);
+
+	return EXIT_SUCCESS;
+}