[sane-devel] ADF

[abel deuring]

Henning Meier-Geinitz wrote:
> 
> Hi,
> 
> On Thu, Nov 14, 2002 at 09:27:55AM +0100, John Doe wrote:
> > Is there a list of all the adf scanner which supported by sane?
> 
> There was a similar question about this topic some time ago. For a
> response see:
> http://www.mostang.com/pipermail/sane-devel/2002-November/004983.html
> 
> You'll probably need to check the backend homepages.
> 
> > Is there somebody how know how can I get a return code from scanimage
> > in my c program?
> 
> IIRC and completely untested:
> 
> fork ...
>   exec ...
> 
>   waitpid (pid, &status)
> 
> Examine the status with  WIFEXITED(status) and WEXITSTATUS(status).
> See manpages for details.

One should also catch stderr from the child process in order to get
error messages like "ADF empty" or similar.

Abel