lsdvd won't work on DF 1.8

[YONETANI Tomokazu]

On Sun, Feb 18, 2007 at 02:03:22PM +0900, Kimura Fuyuki wrote:
> On Sunday 18 February 2007, Dmitri Nikulin wrote:
> > On 2/18/07, Kimura Fuyuki <fuyuki at hadaly.org> wrote:
> > >
> > > Could someone tell me why the following simple program fails to print a
> > > dvd title? It seems to read from offset 32768.  (block boundary?)
[snip]
> On my DF1.8/nata installation, it doesn't.

Your code displays "CD001" on my DF1.9/old-ata system.  However, the
string "CD001" (probably \x01 appears to be blank) is at offset 32769
and not 32808.  So this may be a bug in libc and not the ata/nata driver.

$ dd if=/dev/acd0c bs=2048 count=1 iseek=16 |hd -vn 64
1+0 records in
1+0 records out
00000000  01 43 44 30 30 31 01 00  20 20 20 20 20 20 20 20  |.CD001..        |
00000010  20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |                |
00000020  20 20 20 20 20 20 20 20  52 44 58 53 35 33 53 54  |        RDXS53ST|
00000030  4a 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20  |J               |
00000040
2048 bytes transferred in 0.010183 secs (201118 bytes/sec)

Cheers.