Leverage Py_CLEAR

hartwork · hartwork · commit 20caacd3e77e · 2025-09-29T01:07:16.000+02:00
Idea by @picnixz
diff --git a/Modules/pyexpat.c b/Modules/pyexpat.c
@@ -1550,8 +1550,7 @@ xmlparse_dealloc(PyObject *op)
     }
     self->itself = NULL;
     if (self->parent != NULL) {
-        Py_DECREF(self->parent);
-        self->parent = NULL;
+        Py_CLEAR(self->parent);
     }
 
     if (self->handlers != NULL) {

Original file line number	Diff line number	Diff line change
`@@ -1550,8 +1550,7 @@ xmlparse_dealloc(PyObject *op)`
`1550`	`1550`	`}`
`1551`	`1551`	`self->itself = NULL;`
`1552`	`1552`	`if (self->parent != NULL) {`
`1553`		`- Py_DECREF(self->parent);`
`1554`		`- self->parent = NULL;`
	`1553`	`+ Py_CLEAR(self->parent);`
`1555`	`1554`	`}`
`1556`	`1555`
`1557`	`1556`	`if (self->handlers != NULL) {`