Benjamin Grange writes:
> On 11/3/06, Andrew Haley <aph@xxxxxxxxxx> wrote:
> > This is a bug in your code.
> Could you explain me why please?
>
> > If you really need to break the type
> > system by accessing an object by something other than its real type,
> > use a union:
> >
> > union
> > {
> > A A_kludge;
> > unsigned int uint_kludge[2];
> > void *nonsense;
> > } kludge;
> >
> Unfortunally it doesn't work in my case because A has a contructor
> and gcc doesn't want to put a class with a constructor in an union
> (error: member 'A topointer(A)::<anonymous union>::A_kludge' with
> constructor not allowed in union).
> Furthermore, even if it worked I will have to do this:
> kludge.uint_kludge[1] = 0;
> and I don't think it will work on a 64bits big endian processor.
>
> Do you see a problem in this line?:
> (void *) (unsigned long)(*(((unsigned int *)&a)));
Yes, I can: it's not legal C++. What are you really tring to do that
needs this?
Andrew.
