[Python-Dev] ssize_t branch merged

[Travis E. Oliphant]

Martin v. Löwis wrote:
> Neal Norwitz wrote:
> 
>>I suppose that might be nice, but would require configure magic.  I'm
>>not sure how it could be done on Windows.
> 
> 
> Contributions are welcome. On Windows, it can be hard-coded.
> 
> Actually, something like
> 
> #if SIZEOF_SIZE_T == SIZEOF_INT
> #define PY_SSIZE_T_MAX INT_MAX
> #elif SIZEOF_SIZE_T == SIZEOF_LONG
> #define PY_SSIZE_T_MAX LONG_MAX
> #else
> #error What is size_t equal to?
> #endif
> 
> might work.


Why not just

#if SIZEOF_SIZE_T == 2
#define PY_SSIZE_T_MAX 0x7fff
#elif SIZEOF_SIZE_T == 4
#define PY_SSIZE_T_MAX 0x7fffffff
#elif SIZEOF_SIZE_T == 8
#define PY_SSIZE_T_MAX 0x7fffffffffffffff
#elif SIZEOF_SIZE_T == 16
#define PY_SSIZE_T_MAX 0x7fffffffffffffffffffffffffffffff
#endif

?