#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <linux/cdrom.h>

int main (int argc, char **argv)
{
	char *program, *device;
	int fd, status;

	program = argv[0];

	++argv;
	--argc;

	if (argc < 1 || argc > 1) {
		fprintf (stderr, "usage: %s <device>\n", program);
		exit (1);
	}
 
	device = argv[0];
 
	fd = open(device, O_RDONLY | O_NONBLOCK);
	if (fd < 0) {
		fprintf (stderr, "%s: open failed for `%s': %s\n", program, device, strerror (errno));
		exit (1);
	}

	status = ioctl (fd, CDROM_DRIVE_STATUS, 0);
	if (status<0) {
		perror(" CDROM_DRIVE_STATUS");
	} else switch(status) {
	case CDS_TRAY_OPEN:
		printf ("Tray open\n");
		break;
	default:
		printf ("Tray NOT open\n");
		break;
	}
	exit (0);
}