[Python-Dev] PyRange_New() alternative?

"Martin v. Löwis" martin at v.loewis.de
Sat Jun 24 09:29:03 CEST 2006


Scott David Daniels wrote:
> I am not sure about your compiler, but if I remember the standard
> correctly, the following code shouldn't complain:
> 
>     PyObject_CallFunction((PyObject*) (void *) &PyRange_Type,
>                           "lll", start, start+len*step, step)

You remember the standard incorrectly. Python's usage of casts has
undefined behaviour, and adding casts only makes the warning go away,
but does not make the problem go away.

Regards,
Martin


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