[sane-devel] C undefined operations in sane-backends-1.0.7-beta1

[Ingo Wilken]

> let's have a look at the warnings from the Plustek backend.
> The lines that produce the problem include the following statement:
> _SWAP(x,y)    (x)^=(y)^=(x)^=(y)
> So what? Where's the problem here?