[sane-devel] The future of the SANE-Standard

[Alessandro Zummo]

On Fri, 21 Dec 2007 09:47:13 -0500
"m. allan noah" <kitno455 at gmail.com> wrote:

> On Dec 21
> >  I do not like changing every backend. but if we can change little
> >  in dll/"real" 1.1 backends that would be fine.
> >
> 
> if the dll backend had no mechanism to determine existence of the call
> beforehand, i assume it would segfault. besides, this assumes that all
> callers will link against the dll backend exclusively- every backend
> exports the same interface, so that frontends can link against them
> directly. i would not want to break that.

 mm think I had missed this.

> so- if we want to protect front-ends from the updated backends- the
> only mechanism we have is a well-known option. instead of a boolean,
> how about a string list- then a backend can report what versions of
> the standard it supports, and the frontend or user can chose.

 I guess that would work! :)

-- 

 Best regards,

 Alessandro Zummo,
  Tower Technologies - Torino, Italy

  http://www.towertech.it