busybox/miscutils/volname.c

/*
 * Reads and displays CD-ROM volume name
 *
 * Several people have asked how to read CD volume names so I wrote this
 * small program to do it.
 *
 * usage: volname [<device-file>]
 *
 * Copyright (C) 2000-2001 Jeff Tranter (tranter@pobox.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
 */

/*
 * mods from distributed source (eject-2.0.13) are by
 * Matthew Stoltenberg <d3matt@gmail.com>
 */
#include "libbb.h"

int volname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int volname_main(int argc UNUSED_PARAM, char **argv)
{
	int fd;
	char buffer[32];
	const char *device;

	device = "/dev/cdrom";
	if (argv[1]) {
		device = argv[1];
		if (argv[2])
			bb_show_usage();
	}

	fd = xopen(device, O_RDONLY);
	xlseek(fd, 32808, SEEK_SET);
	xread(fd, buffer, 32);
	printf("%32.32s\n", buffer);
	if (ENABLE_FEATURE_CLEAN_UP) {
		close(fd);
	}
	return 0;
}
1	niro	984	/*
2			* Reads and displays CD-ROM volume name
3			*
4			* Several people have asked how to read CD volume names so I wrote this
5			* small program to do it.
6			*
7			* usage: volname [<device-file>]
8			*
9			* Copyright (C) 2000-2001 Jeff Tranter (tranter@pobox.com)
10			*
11			* This program is free software; you can redistribute it and/or modify
12			* it under the terms of the GNU General Public License as published by
13			* the Free Software Foundation; either version 2 of the License, or
14			* (at your option) any later version.
15			*
16			* This program is distributed in the hope that it will be useful,
17			* but WITHOUT ANY WARRANTY; without even the implied warranty of
18			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19			* GNU General Public License for more details.
20			*
21			* You should have received a copy of the GNU General Public License
22			* along with this program; if not, write to the Free Software
23			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24			*/
25
26			/*
27			* mods from distributed source (eject-2.0.13) are by
28			* Matthew Stoltenberg <d3matt@gmail.com>
29			*/
30			#include "libbb.h"
31
32			int volname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
33			int volname_main(int argc UNUSED_PARAM, char **argv)
34			{
35			int fd;
36			char buffer[32];
37			const char *device;
38
39			device = "/dev/cdrom";
40			if (argv[1]) {
41			device = argv[1];
42			if (argv[2])
43			bb_show_usage();
44			}
45
46			fd = xopen(device, O_RDONLY);
47			xlseek(fd, 32808, SEEK_SET);
48			xread(fd, buffer, 32);
49			printf("%32.32s\n", buffer);
50			if (ENABLE_FEATURE_CLEAN_UP) {
51			close(fd);
52			}
53			return 0;
54			}