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List:       gnome-devel-list
Subject:    Re: GObject get_property method copying string
From:       Stefan Kost <ensonic () hora-obscura ! de>
Date:       2011-08-18 19:43:58
Message-ID: 4E4D6B7E.9020304 () hora-obscura ! de
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On 08/11/11 13:52, Tiago Katcipis wrote:
>
>
> Hi,
>
> I'm developing a library using GObject and I'm having trouble creating
> a string property that does not makes a copy when g_object_get is
> called. I used g_value_set_static_string to avoid the string from
> being copied, but doing some debug it seems that g_object_get is
> copying my string anyway.
>
> That is odd, because i see a lot of code using g_value_set_string on
> get_property, and that would produce a completely useless additional
> copy of the string (since g_object_get will copy it anyway).
where is the extra copy being made in glib?

Stefan
>
> Sorry to bother with such a stupid question but the documentation just
> says:
>
> "In general, a copy is made of the property contents and the caller is
> responsible for freeing the memory in the appropriate manner for the
> type, for instance by calling |g_free()|
> <http://developer.gnome.org/glib/stable/glib/glib-Memory-Allocation.html#g-free>
> or |g_object_unref()|
> <http://developer.gnome.org/gobject/unstable/gobject-The-Base-Object-Type.html#g-object-unref>.
> "
>
> What would be "in general" ? Do i have some control of it ? (i was
> unable to find any) Am i understanding something wrong ?
>
> Best regards,
> Katcipis
>
>
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> gnome-devel-list@gnome.org
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