morpheus-base

morpheus base system
git clone git://git.2f30.org/morpheus-base.git
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eject.c (867B)


      1 /* See LICENSE file for copyright and license details. */
      2 #include <sys/ioctl.h>
      3 #include <sys/stat.h>
      4 #include <sys/types.h>
      5 
      6 #include <fcntl.h>
      7 #include <stdio.h>
      8 #include <stdlib.h>
      9 #include <unistd.h>
     10 
     11 #include "util.h"
     12 
     13 enum {
     14 	CDROM_EJECT = 0x5309,
     15 	CDROM_CLOSE_TRAY = 0x5319,
     16 };
     17 
     18 static void
     19 usage(void)
     20 {
     21 	eprintf("usage: %s [-t] [devname]\n", argv0);
     22 }
     23 
     24 int
     25 main(int argc, char *argv[])
     26 {
     27 	int fd, out;
     28 	char *cdrom = "/dev/sr0";
     29 	int tflag = 0;
     30 
     31 	ARGBEGIN {
     32 	case 't':
     33 		tflag = 1;
     34 		break;
     35 	default:
     36 		usage();
     37 	} ARGEND;
     38 
     39 	if (argc > 1)
     40 		usage();
     41 	else if (argc == 1)
     42 		cdrom = argv[0];
     43 
     44 	fd = open(cdrom, O_RDONLY | O_NONBLOCK);
     45 	if (fd < 0)
     46 		eprintf("open %s:", cdrom);
     47 	if (tflag) {
     48 		if (ioctl(fd, CDROM_CLOSE_TRAY, &out) < 0)
     49 			eprintf("ioctl:");
     50 	} else {
     51 		if (ioctl(fd, CDROM_EJECT, &out) < 0)
     52 			eprintf("ioctl:");
     53 	}
     54 	close(fd);
     55 	return 0;
     56 }