Re: gtk_tree_model_get() malloc/free question

[Martyn Russell <ginxd btopenworld com>]

Mike wrote:

> Hello,
>
> I always tend to get confused with this sort of thing.
>
> The docs say:
> http://developer.gnome.org/doc/API/2.0/gtk/GtkTreeModel.html#gtk-tree-model-get
> "you would write: gtk_tree_model_get (model, iter, 0,
> &place_string_here, -1), where place_string_here is a gchar* to be
> filled with the string. If appropriate, the returned values have to be
> freed or unreferenced."
>
> But I'm not sure that tells me if I need to g_malloc "place_string_here"
> and free it when I'm done or if I'm going to be passed a copy of the
> string that I need to free afterwards or if I'm passed a copy of the
> pointer that I ignore when I'm done with it. I've tried it by both
> allocating memory and freeing it and by just passing it a pointer and
> both *seem* to work so I'm not real clear on how I should handle it.
>
> Regards.
>
>
>
>
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>
>  
My understanding is that a newly allocated string is passed to you which 
you must free.  You need not g_malloc it.

Martyn