message: Only allow setting valid seqnum on messages

If we want to make sure we never end up with invalid seqnum on
messages let's forbid setting them.

diff --git a/gst/gstmessage.c b/gst/gstmessage.c
index 31ad649..ef0ca96 100644 (file)
--- a/gst/gstmessage.c
+++ b/gst/gstmessage.c
@@ -367,6 +367,7 @@ void
 gst_message_set_seqnum (GstMessage * message, guint32 seqnum)
 {
   g_return_if_fail (GST_IS_MESSAGE (message));
+  g_return_if_fail (seqnum != GST_SEQNUM_INVALID);
 
   GST_MESSAGE_SEQNUM (message) = seqnum;
 }