[issue9642] #ifdef and mbcs: don't check for defined(HAVE_USABLE_WCHAR_T)

[Martin v. Löwis]

Martin v. Löwis <martin at v.loewis.de> added the comment:

> mbcs functions don't use the wchar_t type.

That's not true. MultiByteToWideChar use LPWSTR, which is a typedef for
wchar_t*.

These functions assume that Py_UNICODE is the same type as WCHAR.

> We should just check that we are compiling under Windows:

-1, see above. In the long run, it would be really good if Python
supported a four-byte Py_UNICODE on Windows - people keep asking for it.

I have been meaning to provide versions of the mbcs codecs for years
that work for UCS-4, but haven't found the time yet to implement them.

----------
nosy: +loewis
title: #ifdef and mbcs: don't check for defined(HAVE_USABLE_WCHAR_T) -> #ifdef and mbcs: don't check for	defined(HAVE_USABLE_WCHAR_T)

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