X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Flibr2c2%2Ftrack.cpp;h=ecb86bbad33ad02e20699a05ef7655eb3d2d30a0;hb=2922bc5d2ba68979d186fd09df8b4ec6ba98402b;hp=51c73c237ccd27a8873ae26effc0a632434dc2c5;hpb=e214fd389b9819eac0379cfb78e0f446e267b839;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 51c73c2..ecb86bb 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -123,6 +123,8 @@ void Track::set_turnout_id(unsigned i)
 {
 	if(!type.is_turnout())
 		throw logic_error("not a turnout");
+	if(!i)
+		throw invalid_argument("Track::set_turnout_id");
 
 	turnout_id = i;
 	layout.create_blocks(*this);