commit 6819210b9e4e5719a6f7f9c1725f8fa70a8936f6
author Martin v. Löwis <martin@v.loewis.de> Sat Jul 21 06:55:02 2007 +0000
committer Martin v. Löwis <martin@v.loewis.de> Sat Jul 21 06:55:02 2007 +0000
tree 456e2e6b3d9d71e966f3b0e419ecfe44ce3c1fdd
parent b1994b4a5d0139a010eb0af1d6615a3df92fe786

PEP 3123: Provide forward compatibility with Python 3.0, while keeping
backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
PyVarObject_HEAD_INIT.

Include/bufferobject.h

diff --git a/Include/bufferobject.h b/Include/bufferobject.h
index 75ba496..639b08d 100644
--- a/Include/bufferobject.h
+++ b/Include/bufferobject.h
@@ -12,7 +12,7 @@
 
 PyAPI_DATA(PyTypeObject) PyBuffer_Type;
 
-#define PyBuffer_Check(op) ((op)->ob_type == &PyBuffer_Type)
+#define PyBuffer_Check(op) (Py_Type(op) == &PyBuffer_Type)
 
 #define Py_END_OF_BUFFER	(-1)