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	eject.c - ubase - suckless linux base utils
	git clone git://git.suckless.org/ubase
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	---
	eject.c (1054B)
	---
	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 <unistd.h>
	9
	10 #include "util.h"
	11
	12 enum {
	13 OPEN_TRAY = 0x5309,
	14 CLOSE_TRAY = 0x5319,
	15 };
	16
	17 static int tflag = 0;
	18 static int ret = 0;
	19
	20 static void
	21 eject(const char *devname)
	22 {
	23 int fd, out;
	24
	25 if ((fd = open(devname, O_RDONLY \| O_NONBLOCK)) < 0) {
	26 weprintf("open %s:", devname);
	27 ret = 1;
	28 } else if (tflag && ioctl(fd, CLOSE_TRAY, &out) < 0) {
	29 weprintf("ioctl %s:", devname);
	30 ret = 1;
	31 } else if (!tflag && ioctl(fd, OPEN_TRAY, &out) < 0) {
	32 weprintf("ioctl %s:", devname);
	33 ret = 1;
	34 }
	35
	36 if (fd >= 0 && close(fd) < 0) {
	37 weprintf("close %s:", devname);
	38 ret = 1;
	39 }
	40 }
	41
	42
	43 static void
	44 usage(void)
	45 {
	46 eprintf("usage: %s [-t] [device ...]\n", argv0);
	47 }
	48
	49 int
	50 main(int argc, char *argv[])
	51 {
	52 ARGBEGIN {
	53 case 't':
	54 tflag = 1;
	55 break;
	56 default:
	57 usage();
	58 } ARGEND;
	59
	60 if (!argc) {
	61 eject("/dev/sr0");
	62 } else {
	63 for (; *argv; argc--, argv++)
	64 eject(*argv);
	65 }
	66
	67 return ret;
	68 }