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Backport from py3k branch: 

Add a workaround for a strange bug on win64, when _ctypes is compiled
with the SDK compiler.  This should fix the failing
Lib\ctypes\test\test_as_parameter.py test.
This commit is contained in:
Thomas Heller 2007-09-07 09:33:24 +00:00
parent 49c7c71d9f
commit 2e638c3a8a
1 changed files with 6 additions and 0 deletions
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6
Lib/ctypes/__init__.py
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@ -545,3 +545,9 @@ for kind in [c_ushort, c_uint, c_ulong, c_ulonglong]:
elif sizeof(kind) == 4: c_uint32 = kind
elif sizeof(kind) == 8: c_uint64 = kind
del(kind)
# XXX for whatever reasons, creating the first instance of a callback
# function is needed for the unittests on Win64 to succeed. This MAY
# be a compiler bug, since the problem occurs only when _ctypes is
# compiled with the MS SDK compiler. Or an uninitialized variable?
CFUNCTYPE(c_int)(lambda: None)