[Cython] PATCH: use function pointer arguments in import/export api functions

[Lisandro Dalcin]

Stefan, is this the only warning you get related to strict aliasing?
No warnings at all on those lines where  __Pyx_ExportFunction is
called??

If that is the only warning, they I can write a better patch.

On Fri, Feb 27, 2009 at 7:21 PM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Hi,
>
> Lisandro Dalcin wrote:
>> Just to prevent this:
>> warning: ISO C forbids conversion of function pointer to object pointer type
>
> with this patch applied, I now get a warning on this line:
>
>    p = *(void **)&f;
>
> src/lxml/lxml.etree.c: In function '__Pyx_ExportFunction':
>
>
> src/lxml/lxml.etree.c:148416: warning: dereferencing type-punned pointer
> will break strict-aliasing rules
>
>
> This needs fixing, I guess. That said, I'm more in favour of enabling clean
> strict-aliasing than to be strictly C89 compliant, unless we can have both. :)
>
> Stefan
>
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-- 
Lisandro Dalcín
---------------
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