core: rename b_retain/b_release to b_object_ref/b_object_unref

core/object.c

@@ -108,16 +108,17 @@ void *b_object_get_interface(struct _b_object *object, b_type type)
 	return z__b_class_get_interface(object->obj_type->r_class, type);
 }
 
-struct _b_object *b_retain(struct _b_object *p)
+struct _b_object *b_object_ref(struct _b_object *p)
 {
 	p->obj_ref++;
 	return p;
 }
 
-void b_release(struct _b_object *p)
+void b_object_unref(struct _b_object *p)
 {
 	if (p->obj_ref > 1) {
 		p->obj_ref--;
+		return;
 	}
 
 	p->obj_ref = 0;