[sane-devel] remote scanimage: unable to determine option count

[Jon Symonds]

Many thanks, this has solved the problem!

On Tue, 11 Dec 2001, Henning Meier-Geinitz wrote:

> Hi,
>
> On Tue, Dec 11, 2001 at 05:06:17PM +0000, Jon Symonds wrote:
> > I just cannot get remote saned working. As a client I have a SPARCstation
> > 10 (Solaris 2.6). Running scanimage -L on the client does return the
> > remote scanner ok. But actually trying to scan from the client gives
> > "scanimage: unable to determine option count" on the client and on the
> > server gives debug info:
> >
> > ........
> > [mustek] sane_open: devicename=/dev/scg0f
> > [mustek] sane_open: finished (handle=2f0a8)
> > [mustek] sane_control_option (get option Segmentation Fault (core dumped)
> >
> > Has anyone got any ideas, I hope (in a way) I've missed something really
> > obvious!
>
> The obvious thing is: It's a bug in the mustek backend and it's me who
> is to blame. I will fix it in CVS.
>
> Look at function sane_control_option in backend/mustek.c. There is a
> DBG statement:
>
>  DBG(5, "sane_control_option (%s option %s)\n",
>       action == SANE_ACTION_GET_VALUE ? "get" :
>       (action == SANE_ACTION_SET_VALUE ? "set" : "unknown action with"),
>       s->opt[option].name);
>
> Just remove these lines completely, this should fix the bug.
>
> However, if you also tried without debugging and a similar error
> occurs something different may be wrong.
>
> Thanks for finding this one!
>
> Bye,
>   Henning
>
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