/* makedvdpluswork.c: A program for dealing with pesky DVD drives that
 * have "random" compatability with DVD+R(W) media.
 * Copyright (C) 2006 Segin <segin2005@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */


#if defined(__AS386_16__) && !defined(__FORCE_ELKS_ANYWAYS__)
# error Not for ELKS/MS-DOS.
#endif

#define _BITS_PTHREADTYPES_H    1

#include <stdio.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
#if !defined(__BCC__) 
# include <linux/cdrom.h>
#endif

#if !defined(CDROMEJECT)
# define CDROMEJECT		0x5309 /* Ejects the cdrom media */
#endif

#if !defined(CDROMCLOSETRAY)
# define CDROMCLOSETRAY		0x5319
#endif

#if !defined(CDROM_DRIVE_STATUS)
# define CDROM_DRIVE_STATUS	0x5326
#endif

#if !defined(CDS_NO_INFO)
# define CDS_NO_INFO		0	/* if not implemented */
#endif

#if !defined(CDS_NO_DISC)
# define CDS_NO_DISC		1
#endif

#if !defined(CDS_TRAY_OPEN)
# define CDS_TRAY_OPEN		2
#endif

#if !defined(CDS_DRIVE_NOT_READY)
# define CDS_DRIVE_NOT_READY	3
#endif

#if !defined(CDS_DISC_OK)
# define CDS_DISC_OK		4
#endif

int main(int argc, char **argv)
{
	int fd, x, y=0, ret, is_read;
	char *tmp, *tmp2, *src;
	if (argc == 1) {
		src = "/dev/dvd";
		y = 1;
		goto startloop;
	} else {
		src = argv[1];
	}
	for(x=0; x<argc-1; x++) {
		src = argv[x+1];
startloop:
		fd = open(src, O_RDONLY | O_NONBLOCK);
		if (fd == -1) { 
			perror(src);
			goto endloop;
		}
 	       /* Don't ask why the 0s are there...
		* The ioctl failed before I added them, so...
		* I'll keep them.
		*/
		while(is_read != 1) {
			ret = ioctl(fd,CDROM_DRIVE_STATUS,0,0,0);
			if (ret == CDS_TRAY_OPEN) {
				printf("Closing tray...\n");
				ret = ioctl(fd, CDROMCLOSETRAY, 0, 0);
				if (ret == -1) perror("CDROMEJECT");
			}
			if (ret == -1) perror(src);
			while(ioctl(fd,CDROM_DRIVE_STATUS,0,0,0) == CDS_DRIVE_NOT_READY);
			ret = ioctl(fd,CDROM_DRIVE_STATUS,0,0,0);
			if (ret == CDS_NO_DISC) { 
				printf("Disk read failed, ejecting...\n");
				ret = ioctl(fd, CDROMEJECT, 0, 0);
				if (ret == -1) perror(src);
			}
			if (ret == CDS_DISC_OK) {
				printf("Disk read, moving on...\n");
				is_read = 1;
			}
			if (ret == -1) perror(src);
		}
endloop:
		{
			if (y == 1) goto afterloop;
		}
	}
afterloop:
	{
	}
}