From 684cf3b8c41e9bb60b2d286bd6d632b0c5abf0ab Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 13 Dec 2009 15:05:35 +0000
Subject: [PATCH] Prevent a crash if a layout file contains empty routes Add
 missing forward declaration to train.h

---
 source/libmarklin/layout.cpp | 3 +++
 source/libmarklin/train.h    | 1 +
 2 files changed, 4 insertions(+)

diff --git a/source/libmarklin/layout.cpp b/source/libmarklin/layout.cpp
index 3a6b630..121e19e 100644
--- a/source/libmarklin/layout.cpp
+++ b/source/libmarklin/layout.cpp
@@ -120,6 +120,9 @@ void Layout::check_routes()
 			}
 		}
 
+		if(!track)
+			continue;
+
 		(*i)->add_track(*track);
 
 		const vector<Endpoint> &eps = track->get_type().get_endpoints();
diff --git a/source/libmarklin/train.h b/source/libmarklin/train.h
index d4c7e18..b891a66 100644
--- a/source/libmarklin/train.h
+++ b/source/libmarklin/train.h
@@ -18,6 +18,7 @@ namespace Marklin {
 class Locomotive;
 class Sensor;
 class TrafficManager;
+class Turnout;
 
 class Train: public sigc::trackable
 {
-- 
2.45.2