[Python-Dev] [Python-checkins] r43041 - python/trunk/Modules/_ctypes/cfield.c
M.-A. Lemburg
mal at egenix.com
Fri Mar 17 00:11:03 CET 2006
Thomas Heller wrote:
> Martin v. Löwis wrote:
>> Thomas Heller wrote:
>>> BTW: Is a "porting guide" to make extension modules compatible with 2.5
>>> available somewhere? PEP 353 scratches only the surface...
>> Wrt. ssize_t changes, PEP 353 is meant to be comprehensive. Which
>> particular aspect are you missing?
>
> I suggest to change this:
>
> #if PY_VERSION_HEX < 0x02050000
> typedef int Py_ssize_t;
> #endif
>
> with this:
>
> #if (PY_VERSION_HEX < 0x02050000)
> typedef int Py_ssize_t;
> #define lenfunc inquiry
> #define readbufferproc getreadbufferproc
> #define writebufferproc getwritebufferproc
> #define segcountproc getsegcountproc
> #define charbufferproc getcharbufferproc
> #define ssizeargfunc intargfunc
> #define ssizessizeargfunc intintargfunc
> #define ssizeobjargproc intobjargproc
> #define ssizessizeobjargproc intintobjargproc
> ... more defines
> #endif
>
> Maybe a complete list of defines needed can be given?
>
> Then, from only reading the PEP without looking up the sources,
> it is not clear to me what the PY_SIZE_T_CLEAN definition does.
>
> Finally, the format codes to use for Py_ssize_t arguments passed to PyBuild_Value,
> PyString_FromFormat, PyObject_CallFunction (and other functions) are not mentioned at all.
Since this change is going to affect a lot of 3rd party extensions,
I'd also like to see a complete list of public APIs that changed and
how they changed (including the type slots)
Thanks,
--
Marc-Andre Lemburg
eGenix.com
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