From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 3 May 2014 09:17:07 +0000 (+0300)
Subject: Fix a bug with attaching ends in ExtendTool
X-Git-Url: http://git.tdb.fi/?p=r2c2.git;a=commitdiff_plain;h=50462807446fd62dbacfba90a7afffc1ff70d3b1

Fix a bug with attaching ends in ExtendTool

This managed to avoid a segfault despite the null pointer dereference,
because the first thing Track::link_to does is check if the passed-in
reference is a track, and a null pointer isn't.
---

diff --git a/source/designer/extendtool.cpp b/source/designer/extendtool.cpp
index 54d3d10..9b6ec9a 100644
--- a/source/designer/extendtool.cpp
+++ b/source/designer/extendtool.cpp
@@ -84,6 +84,8 @@ void ExtendTool::connect()
 			if(gap<0)
 				continue;
 
+			start_track = i->track();
+			end_track = j->track();
 			ok = true;
 		}