X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fir%2Ftrace.c;h=9c3cb5072a593b0e5cde93425eda3ae5b004c6fe;hp=8ff6371b516b20babfa25731e7c67ab80bde3b00;hb=4841ccc167f5f99267a0c129a1e79214b60f553c;hpb=32fe3f28047342b3b0ad04ce0c03bfb97e11127f

diff --git a/formats/ctf/ir/trace.c b/formats/ctf/ir/trace.c
index 8ff6371b..9c3cb507 100644
--- a/formats/ctf/ir/trace.c
+++ b/formats/ctf/ir/trace.c
@@ -547,6 +547,34 @@ end:
 	return stream_class;
 }
 
+struct bt_ctf_stream_class *bt_ctf_trace_get_stream_class_by_id(
+		struct bt_ctf_trace *trace, uint32_t id)
+{
+	int i;
+	struct bt_ctf_stream_class *stream_class = NULL;
+
+	if (!trace) {
+		goto end;
+	}
+
+	for (i = 0; i < trace->stream_classes->len; ++i) {
+		struct bt_ctf_stream_class *stream_class_candidate;
+
+		stream_class_candidate =
+			g_ptr_array_index(trace->stream_classes, i);
+
+		if (bt_ctf_stream_class_get_id(stream_class_candidate) ==
+				(int64_t) id) {
+			stream_class = stream_class_candidate;
+			bt_ctf_get(stream_class);
+			goto end;
+		}
+	}
+
+end:
+	return stream_class;
+}
+
 struct bt_ctf_clock *bt_ctf_trace_get_clock_by_name(
 		struct bt_ctf_trace *trace, const char *name)
 {