On Tue, 31 Oct 2006, Alan Barrett wrote:
> On Tue, 31 Oct 2006, der Mouse wrote:
> > >> 	printf("%s", uid_to_string_buf(uid).str); /* not legal */
> > > What's wrong with that?  If a function returns a struct or union, you
> > > are allowed to use just one member.
> > 
> > Even when that member is an array, which is "used" by decaying it to a
> > pointer to its [0] element?
> 
> I think the pointer would become invalid after the next sequence point,
> but I am not sure.

Hmm, perhaps the pointer becomes invalid at the sequence point between
calculating the args for printf and actually calling printf.  That would
be bad.

--apb (Alan Barrett)