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gh-104456: Fix ref leak in _ctypes.COMError #104457

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Merged
erlend-aasland merged 5 commits into from
May 14, 2023
Merged

gh-104456: Fix ref leak in _ctypes.COMError #104457

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8dbad09
gh-104456: Fix ref leak in test_ctypes
Eclips4 May 13, 2023
28ac7ed
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Eclips4 May 13, 2023
91e8893
Update Modules/_ctypes/_ctypes.c
Eclips4 May 13, 2023
e317450
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Eclips4 May 14, 2023
019234e
Update Modules/_ctypes/_ctypes.c
erlend-aasland May 14, 2023
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18 changes: 17 additions & 1 deletion Modules/_ctypes/_ctypes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -5476,10 +5476,24 @@ comerror_init(PyObject *self, PyObject *args, PyObject *kwds)
return 0;
}

static int
comerror_clear(PyObject *self) {
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PyBaseExceptionObject *obj = (PyBaseExceptionObject *) self;
Py_CLEAR(obj->dict);
Py_CLEAR(obj->args);
Py_CLEAR(obj->notes);
Py_CLEAR(obj->traceback);
Py_CLEAR(obj->cause);
Py_CLEAR(obj->context);
return 0;
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}

static int
comerror_traverse(PyObject *self, visitproc visit, void *arg)
{
Py_VISIT(Py_TYPE(self));
PyTypeObject *tp = Py_TYPE(self);
Py_VISIT(tp);
tp->tp_clear(self);
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return 0;
}

Expand All @@ -5488,6 +5502,7 @@ comerror_dealloc(PyObject *self)
{
PyTypeObject *tp = Py_TYPE(self);
PyObject_GC_UnTrack(self);
tp->tp_clear(self);
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tp->tp_free(self);
Py_DECREF(tp);
}
Expand All @@ -5497,6 +5512,7 @@ static PyType_Slot comerror_slots[] = {
{Py_tp_init, comerror_init},
{Py_tp_traverse, comerror_traverse},
{Py_tp_dealloc, comerror_dealloc},
{Py_tp_clear, comerror_clear},
{0, NULL},
};

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