lib: make trace IR API const-correct

[babeltrace.git] / include / babeltrace / trace-ir / stream-class-internal.h

diff --git a/include/babeltrace/trace-ir/stream-class-internal.h b/include/babeltrace/trace-ir/stream-class-internal.h
index 5c19e560b81c28c26c97f0d8110c592c0a02490c..72bbdd2bffac429f500e480385cc7fedc142181e 100644 (file)
--- a/include/babeltrace/trace-ir/stream-class-internal.h
+++ b/include/babeltrace/trace-ir/stream-class-internal.h
@@ -71,7 +71,7 @@ struct bt_stream_class {
 };
 
 BT_HIDDEN
-void _bt_stream_class_freeze(struct bt_stream_class *stream_class);
+void _bt_stream_class_freeze(const struct bt_stream_class *stream_class);
 
 #ifdef BT_DEV_MODE
 # define bt_stream_class_freeze                _bt_stream_class_freeze
@@ -81,7 +81,7 @@ void _bt_stream_class_freeze(struct bt_stream_class *stream_class);
 
 static inline
 struct bt_trace *bt_stream_class_borrow_trace_inline(
-               struct bt_stream_class *stream_class)
+               const struct bt_stream_class *stream_class)
 {
        BT_ASSERT(stream_class);
        return (void *) bt_object_borrow_parent(&stream_class->base);