[issue8781] 32-bit wchar_t doesn't need to be unsigned to be usable (I think)

[Marc-Andre Lemburg]

Marc-Andre Lemburg <mal at egenix.com> added the comment:

Daniel Stutzbach wrote:
> 
> Daniel Stutzbach <daniel at stutzbachenterprises.com> added the comment:
> 
> Attached is a patch implementing the change agreed upon in the earlier discussion.  This will allow wchar_t <-> Py_UNICODE conversions to use memcpy on systems where wchar_t and Py_UNICODE have the same size but different signs (e.g., Linux).

Please make sure that those places where you replaced HAVE_USABLE_WCHAR_T
are enclosed in

#ifdef HAVE_WCHAR_H
...
#endif

sections. For unicodeobject.c that's true, not sure about the other
places.

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<http://bugs.python.org/issue8781>
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