[Pymilter] pymilter segfaults
Stuart D. Gathman
stuart at bmsi.com
Thu Dec 4 15:23:47 EST 2008
On Thu, 4 Dec 2008, Stuart D. Gathman wrote:
> The two likely segfault inducing changes are:
>
> 1) http://www.python.org/doc/2.5.2/whatsnew/pep-353.html#pep-353
> Must use Py_ssize_t instead of int in many situations. Can break
> working 2.4 code with 2.5 on 64-bit.
The only function affected by the change according to ssizecheck.py is
generic_env_wrapper(), and all Py_ssize_t args are autoconverted by compiler
(passed as non-varargs).
> 2) Changes to obmalloc means that PyMem and PyObject calls must be
> carefully matched. This would break working (but incorrect)
> 2.4 code on 2.5.
PyMem_* is never used.
--
Stuart D. Gathman <stuart at bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
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