Contents of /tags/mkinitrd-6_3_1/busybox/miscutils/volname.c
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Revision 984 -
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Sun May 30 11:32:42 2010 UTC (14 years, 4 months ago) by niro
Original Path: trunk/mkinitrd-magellan/busybox/miscutils/volname.c
File MIME type: text/plain
File size: 1533 byte(s)
Sun May 30 11:32:42 2010 UTC (14 years, 4 months ago) by niro
Original Path: trunk/mkinitrd-magellan/busybox/miscutils/volname.c
File MIME type: text/plain
File size: 1533 byte(s)
-updated to busybox-1.16.1 and enabled blkid/uuid support in default config
1 | /* |
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 | } |