On Mon, 6 Nov 2006, Otto Moerbeek wrote:
> On Mon, 6 Nov 2006, Karel Kulhavy wrote:
>
> > The behaviour of dd on OpenBSD 3.9 is noncompliant to it's own OpenBSD
> > manpage:
> >
> > OpenBSD:
> > [EMAIL PROTECTED]:~$ dd bs=1 skip=2
> > 1234
> > 1234
> > 5+0 records in
> > 5+0 records out
> > 5 bytes transferred in 1.764 secs (3 bytes/sec)
> >
> > Linux:
> > [EMAIL PROTECTED] ~ $ dd bs=1 skip=2
> > 1234
> > 34
> > 3+0 records in
> > 3+0 records out
> > 3 bytes (3 B) copied, 1.71841 seconds, 0.0 kB/s
>
> Seeking a tty does not fail, but does not position the stream as well.
>
> This fixes it. Note that echo "1234" | dd bs=1 skip=2 already works fine.
The fix was committed a minute ago. Thanks for the report.
-Otto
>
> Index: position.c
> ===================================================================
> RCS file: /cvs/src/bin/dd/position.c,v
> retrieving revision 1.7
> diff -u -p -r1.7 position.c
> --- position.c 11 Jun 2003 23:42:12 -0000 1.7
> +++ position.c 6 Nov 2006 12:07:54 -0000
> @@ -71,7 +71,7 @@ pos_in(void)
> int warned;
>
> /* If not a pipe or tape device, try to seek on it. */
> - if (!(in.flags & (ISPIPE|ISTAPE))) {
> + if (!(in.flags & (ISPIPE|ISTAPE|ISCHR))) {
> if (lseek(in.fd, in.offset * in.dbsz, SEEK_CUR) == -1)
> err(1, "%s", in.name);
> return;
