X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=lib%2Fgraph%2Fcomponent-filter.c;h=c1c730ca3bbb15f0a4335588fdc77348cb2d1e58;hb=61fd44ac72299fadcaa04c19c4ffee7bfa6ccadb;hp=32a12924737f7af43569dafecdaf0cc2c8dfa5e7;hpb=77b70d39c780fd11de8ea650cb30defd92516b4f;p=babeltrace.git

diff --git a/lib/graph/component-filter.c b/lib/graph/component-filter.c
index 32a12924..c1c730ca 100644
--- a/lib/graph/component-filter.c
+++ b/lib/graph/component-filter.c
@@ -56,6 +56,22 @@ end:
 	return (void *) filter;
 }
 
+const bt_component_class_filter *
+bt_component_filter_borrow_class_const(
+		const bt_component_filter *component)
+{
+	struct bt_component_class *cls;
+
+	BT_ASSERT_PRE_NON_NULL(component, "Component");
+
+	cls = component->parent.class;
+
+	BT_ASSERT(cls);
+	BT_ASSERT(cls->type == BT_COMPONENT_CLASS_TYPE_FILTER);
+
+	return (bt_component_class_filter *) cls;
+}
+
 uint64_t bt_component_filter_get_output_port_count(
 		const struct bt_component_filter *comp)
 {