Re: [Vala] Vapi help..

[Abderrahim Kitouni <a kitouni gmail com>]

Hi,

2009/10/23 Shawn Ferris <shawn ferris gmail com>:
> Hi All --
>
> I've been trying to troubleshoot a problem with the libgda vapi and I just
> can't figure out where it's coming from.. decided it was time to ask. I'm
> sure this is something stupid, but I can't find it.
>
> The vapi has this:
>
>    public GLib.Value get_value_at (int col, int row) throws GLib.Error;
>
> Which looks good according to the header from libgda. But the generated c
> is:
>
>    GValue _tmp10_;
>    GValue _tmp9_ = {0};
>    _tmp10_ = (gda_data_model_get_value_at (self->res, 1, 1, &_tmp9_,
> &_inner_error_), _tmp9_);
>
> The problem is that &_tmp9_ is being injected into the arguments and I can't
> figure out how to prevent it.  gda_data_model_get_value_at should return the
> value rather then set it through a pointer.
Short answer : I think GLib.Value? should do the trick. (and from
reading the doc, I think it should also be unowned).

Long answer :
I think this has something to do with bug 534781, I don't know about
"the usual way" in the description, but you can find the reason of
this behaviour.

https://bugzilla.gnome.org/show_bug.cgi?id=534781

HTH,
Abderrahim