Le Wednesday 09 April 2008 21:38:26, vous avez ?crit?:
>
> You are still just arguing around the dancing cow here.
>
> With a potentially new sane_end whatever function you still would have
> to
> keep track where the head is. A frontend may still read less data and in
> any case you would need to know where the head is to move it that
> specific way backwards in such a "CPU-less" "doing every step by
> the host" device.
>
> I can still do not see where another function call to signal a scan_end
> would help you.
A frontend that reads less data than it required would call
sane_cancel().
While I imagine some cases where it may need to do such, frontends will
usually get what they asked for, and call sane_end().
It should also be noted that a frontend that don't call it would still
work.
Regards,
Stef
