ir: add bt_ctf_stream_class_get_event_class_by_id()

[babeltrace.git] / formats / ctf / ir / stream-class.c

diff --git a/formats/ctf/ir/stream-class.c b/formats/ctf/ir/stream-class.c
index 6ad2cfa1583aaae18374b3276d866de8eaae660f..409c5ab0f21430dea3402a8990fc1e6568b11cbb 100644 (file)
--- a/formats/ctf/ir/stream-class.c
+++ b/formats/ctf/ir/stream-class.c
@@ -335,6 +335,30 @@ end:
        return event_class;
 }
 
+struct bt_ctf_event_class *bt_ctf_stream_class_get_event_class_by_id(
+               struct bt_ctf_stream_class *stream_class, uint32_t id)
+{
+       size_t i;
+       struct bt_ctf_event_class *event_class = NULL;
+
+       if (!stream_class) {
+               goto end;
+       }
+
+       for (i = 0; i < stream_class->event_classes->len; i++) {
+               struct bt_ctf_event_class *current_event_class =
+                       g_ptr_array_index(stream_class->event_classes, i);
+
+               if (bt_ctf_event_class_get_id(current_event_class) == id) {
+                       event_class = current_event_class;
+                       bt_ctf_event_class_get(event_class);
+                       goto end;
+               }
+       }
+end:
+       return event_class;
+}
+
 struct bt_ctf_field_type *bt_ctf_stream_class_get_packet_context_type(
                struct bt_ctf_stream_class *stream_class)
 {