use PyType_GetSlot

kumaraditya303 · web-flow · commit f23671cdd36f · 2022-07-03T16:19:19.000Z
diff --git a/Modules/_struct.c b/Modules/_struct.c
@@ -1451,7 +1451,10 @@ static PyObject *
 Struct_impl(PyTypeObject *type, PyObject *format)
 /*[clinic end generated code: output=49468b044e334308 input=8b91868eb1df0e28]*/
 {
-    PyStructObject *self = (PyStructObject *)type->tp_alloc(type, 0);
+    allocfunc alloc = PyType_GetSlot(type, Py_tp_alloc);
+    assert(alloc != NULL);
+    PyStructObject *self = (PyStructObject *)alloc(type, 0);
+
     if (self == NULL) {
         return NULL;
     }

Original file line number	Diff line number	Diff line change
`@@ -1451,7 +1451,10 @@ static PyObject *`
`1451`	`1451`	`Struct_impl(PyTypeObject type, PyObject format)`
`1452`	`1452`	`/[clinic end generated code: output=49468b044e334308 input=8b91868eb1df0e28]/`
`1453`	`1453`	`{`
`1454`		`- PyStructObject self = (PyStructObject )type->tp_alloc(type, 0);`
	`1454`	`+ allocfunc alloc = PyType_GetSlot(type, Py_tp_alloc);`
	`1455`	`+ assert(alloc != NULL);`
	`1456`	`+ PyStructObject self = (PyStructObject )alloc(type, 0);`
	`1457`	`+`
`1455`	`1458`	`if (self == NULL) {`
`1456`	`1459`	`return NULL;`
`1457`	`1460`	`}`