[Python-Dev] PY_SSIZE_T_MIN?

[Ralf W. Grosse-Kunstleve]

Congratulations to the Python 2.5a1 release! I started adjusting Boost.Python
to work with this new release and it is going very well. I noticed this #define
in pyport.h:

#define PY_SSIZE_T_MAX ((Py_ssize_t)(((size_t)-1)>>1))

However, I couldn't find a corresponding PY_SSIZE_T_MIN which would come in
handy to adjust old code using INT_MIN (from limits.h). Are there arguments
against defining PY_SSIZE_T_MIN? Or is this just an oversight?

Objects/longobject.c uses:

  return -PY_SSIZE_T_MAX-1;

To maximize consistency this would seem ideal to me:

pyport.h:

#define PY_SSIZE_T_MIN (-PY_SSIZE_T_MAX-1)

longobject.c:

  return PY_SSIZE_T_MIN;

Cheers,
        Ralf


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