slot_sq_length(): squash a leak.

26111623 · Guido van Rossum · 73921b0e · 26111623
Commit 26111623 authored Oct 01, 2001 by Guido van Rossum
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Objects/typeobject.c Objects/typeobject.c +4 -1

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--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -2729,10 +2729,13 @@ slot_sq_length(PyObject *self)
 {
 	static PyObject *len_str;
 	PyObject *res = call_method(self, "__len__", &len_str, "()");
+	int len;
 	if (res == NULL)
 		return -1;
-	return (int)PyInt_AsLong(res);
+	len = (int)PyInt_AsLong(res);
+	Py_DECREF(res);
+	return len;
 }
 SLOT1(slot_sq_concat, "__add__", PyObject *, "O")