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

abel deuring a.deuring@satzbau-gmbh.de
Fri, 25 Jan 2002 16:45:35 +0100


"Jaeger, Gerhard" wrote:
> 
> Hi there,
> 
> 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?

Aside from the problems mentioned by Tim and Ingo, this macro could also
serve as a starting point for a submission to the IOCCC ;)

just my 2 cent

Abel