extracting null pointer address from PyCObject with ctypes
Aaron "Castironpi" Brady
castironpi at gmail.com
Sat Oct 11 02:23:03 CEST 2008
On Oct 10, 4:16 pm, Gordon Allott <gordall... at gmail.com> wrote:
> Aaron "Castironpi" Brady wrote:
> > I see. If I understand, you have a PyCObject in a dictionary.
> > Look at the 'ctypes' module and try calling PyCObject_AsVoidPtr. Its
> > return type should be 'c_void_p', and you can use 'result.value' to
> > get the original pointer.
> > --
> I have a hard time following that, if using ctypes you used PyDLL to
> call PyCObject_AsVoidPtr on the PyCObject I already have surely it would
> give me back a pointer (void for sake of simplicity) but it would be a
> pointer to a new PyCObject and thus calling result.value on it would
> only return the memory address of the new PyCObject?
> Gord Allott (gordall... at gmail.com)
> < 1KViewDownload
Yes, well said. But no, not true, not necessarily. You can choose/
change return types with your code. If the call is defined already
and you can't change the return, just define a new one that returns
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