+static
+struct bt_ctf_iter *iter_create_intersect(struct bt_context *ctx,
+ struct bt_iter_pos **inter_begin_pos,
+ struct bt_iter_pos **inter_end_pos)
+{
+ uint64_t begin = 0, end = ULLONG_MAX;
+ int ret;
+
+ ret = ctf_find_packets_intersection(ctx, &begin, &end);
+ if (ret == 1) {
+ fprintf(stderr, "[error] No intersection found between trace files.\n");
+ ret = -1;
+ goto error;
+ } else if (ret != 0) {
+ goto error;
+ }
+ *inter_begin_pos = bt_iter_create_time_pos(NULL, begin);
+ if (!inter_begin_pos) {
+ goto error;
+ }
+ *inter_end_pos = bt_iter_create_time_pos(NULL, end);
+ if (!inter_end_pos) {
+ goto error;
+ }
+
+ /*
+ * bt_ctf_iter does not take ownership of begin and end positions,
+ * so we return them to the caller who must still assume their ownership
+ * until the iterator is destroyed.
+ */
+ return bt_ctf_iter_create(ctx, *inter_begin_pos,
+ *inter_end_pos);
+error:
+ return NULL;
+}
+