1/* See LICENSE file for copyright and license details. */
 2
 3
 4#include <sys/ioctl.h>
 5#include <sys/stat.h>
 6#include <sys/types.h>
 7
 8#include <fcntl.h>
 9#include <stdio.h>
10#include <unistd.h>
11
12#include "util.h"
13
14enum {
15	OPEN_TRAY = 0x5309,
16	CLOSE_TRAY = 0x5319,
17};
18
19static int tflag = 0;
20static int ret = 0;
21
22static void
23eject(const char *devname)
24{
25	int fd, out;
26
27	if ((fd = open(devname, O_RDONLY | O_NONBLOCK)) < 0) {
28		weprintf("open %s:", devname);
29		ret = 1;
30	} else if (tflag && ioctl(fd, CLOSE_TRAY, &out) < 0) {
31		weprintf("ioctl %s:", devname);
32		ret = 1;
33	} else if (!tflag && ioctl(fd, OPEN_TRAY, &out) < 0) {
34		weprintf("ioctl %s:", devname);
35		ret = 1;
36	}
37
38	if (fd >= 0 && close(fd) < 0) {
39		weprintf("close %s:", devname);
40		ret = 1;
41	}
42}
43
44
45static void
46usage(void)
47{
48	eprintf("usage: %s [-t] [device ...]\n", argv0);
49}
50
51// ?man eject: eject removable media
52// ?man arguments: device ...
53// ?man eject optical discs or other removable storage media
54int
55main(int argc, char *argv[])
56{
57	ARGBEGIN {
58	// ?man -t: sort or specify timestamp
59	case 't':
60		tflag = 1;
61		break;
62	default:
63		usage();
64	} ARGEND;
65
66	if (!argc) {
67		eject("/dev/sr0");
68	} else {
69		for (; *argv; argc--, argv++)
70			eject(*argv);
71	}
72
73	return ret;
74}