[Qgis-developer] Can I change QgsAbstractGeometryV2::fromWkb signature ?
madmanwoo at gmail.com
Tue Jan 26 04:00:19 PST 2016
I think as long as you can make it optional then it doesn't break any of
the APIs and should be fine.
That is just my thoughts. Maybe see what others think first before doing
On Tue, Jan 26, 2016 at 9:22 PM, Sandro Santilli <strk at keybit.net> wrote:
> I've been watching memory corruptions happening during WKB parsing 
> and found the internal QgsAbstractGeometryV2::fromWkb method not
> taking a size parameter to allow preventing such memory errors from
> occurring. This needs be changed before it spreads too much !
> The current method is virtual:
> virtual bool fromWkb( const unsigned char * wkb ) = 0;
> It'll need to be changed to take a size parameter.
> Is that something we can do for this upcoming release or should
> we just hope all our WKB providers will pass us good WKB ?
> Note this all started from OGR giving a WKB which may even be
> considered valid but our parser did not expect (3D components
> inside a marked-to-be-2D collection).
>  http://hub.qgis.org/issues/12416
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