g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len);
for (i = 0; i < stream->events_by_id->len; i++) {
struct ctf_event *event = g_ptr_array_index(stream_class->events_by_id, i);
g_ptr_array_set_size(stream->events_by_id, stream_class->events_by_id->len);
for (i = 0; i < stream->events_by_id->len; i++) {
struct ctf_event *event = g_ptr_array_index(stream_class->events_by_id, i);