Re: Moving to pointer-sized GType?

[Dan Winship <danw ximian com>]

> > Adding more ways for the teeming 32bit-only hordes to unwittingly break
> > things for 64bit architectures seems bad. Couldn't you just make GType
> > be a gpointer and use GPOINTER_TO_UINT or whatever in the few places
> > where you want to think of them as integers? (Which would only be inside
> > the type system itself, right?)
> 
> The change we want to make is to stuff pointers in ints. i.e. GType
> would actually be a pointer, but we'd keep "typedef guint GType".
> 
> This breaks on 64-bit since a pointer can't survive being assigned to
> a 32-bit guint.

Yes, I understood that. I'm just saying, why not say "typedef gpointer
GType" instead, so that any code that assumes GType == guint will break
on *all* architectures, and you can just do "switch (GPOINTER_TO_UINT
(type))" etc. rather than "switch (type)" directly.

-- Dan

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