Issue #4129: More documentation pointers about int -> Py_ssize_t.
Also fix up the documentation for PyObject_GC_Resize(). It seems that since
it first got documented, the documentation was actually for
_PyObject_GC_Resize().
diff --git a/Doc/c-api/gcsupport.rst b/Doc/c-api/gcsupport.rst
index cc5fd5c..7fe33b3 100644
--- a/Doc/c-api/gcsupport.rst
+++ b/Doc/c-api/gcsupport.rst
@@ -48,12 +48,20 @@
Analogous to :cfunc:`PyObject_NewVar` but for container objects with the
:const:`Py_TPFLAGS_HAVE_GC` flag set.
+ .. versionchanged:: 2.5
+ This function used an :ctype:`int` type for *size*. This might require
+ changes in your code for properly supporting 64-bit systems.
-.. cfunction:: PyVarObject * PyObject_GC_Resize(PyVarObject *op, Py_ssize_t)
+
+.. cfunction:: TYPE* PyObject_GC_Resize(TYPE, PyVarObject *op, Py_ssize_t newsize)
Resize an object allocated by :cfunc:`PyObject_NewVar`. Returns the
resized object or *NULL* on failure.
+ .. versionchanged:: 2.5
+ This function used an :ctype:`int` type for *newsize*. This might
+ require changes in your code for properly supporting 64-bit systems.
+
.. cfunction:: void PyObject_GC_Track(PyObject *op)