[Python-Dev] Poll: Py_REPLACE/Py_ASSIGN/etc
Nick Coghlan
ncoghlan at gmail.com
Tue Mar 18 23:26:14 CET 2014
On 19 Mar 2014 07:34, "MRAB" <stackoverflow at mrabarnett.plus.com> wrote:
> FWIW, I haven't been following the discussion,
Note that this about correctness, not just clarity - using DECREF on member
attributes is not safe, as you may end up exposing a partially destroyed
object to other code.
> but, after a (very)
> quick look, to me:
>
> Py_XDECREF(ptr);
> ptr = NULL;
>
> would be clearer as:
>
> Py_CLEAR_REF(ptr);
Already exists as Py_CLEAR (with the correct temp variable usage).
> and:
>
> Py_XDECREF(ptr);
> ptr = new_value;
>
> would be clearer as:
>
> Py_REPLACE_REF(ptr, new_value);
That is indeed the one we're aiming to find a suitable name for.
Cheers,
Nick.
>
>
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