mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-30 15:10:36 +00:00
55 lines
1.5 KiB
C
55 lines
1.5 KiB
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;
|
|
}
|