[Python-Dev] New PEP: Using ssize_t as the index type

["Martin v. Löwis"]

Travis E. Oliphant wrote:
> Sounds wonderful.   Would love to see this in Python 2.5.  This will fix 
> important 64-bit issues.  Perhaps someone could explain to me what the 
> difference between Py_ssize_t and Py_intptr_t would be? Is this not a 
> satisfactory Py_ssize_t already?

Practically, yes. Conceptually, intptr_t and size_t are different
things: sizeof(void*) might differ from sizeof(size_t) (e.g. when you
have segment and offset in pointers). I believe in flat-address space
machines, they are always the same.

Regards,
Martin