On Wed, Jun 02, 2010 at 02:45:56PM +0100, Emmanuele Bassi wrote:
> because if you get a pointer to an internal data structure you're
> allowing people to use it. using const would also not work because of
> the (lax) semantics of const in C. it would, in essence, allow you to
> poke around with internals that are none of your concern. future
> releases of gtk+ might even result in a computed Allocation which is not
> stored by the widget itself - so using an out parameter is the only
> safe, consistent and future-proof way of returning structures in C.

OK - thank you for the explanation!

Patrick
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