[sane-devel] SANE2 standard completion

stef stef.dev at free.fr
Thu Apr 10 19:33:31 UTC 2008

Le Wednesday 09 April 2008 21:38:26, vous avez écrit :
> 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.


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