From ae395070d9d8b33df080bf83b62ae7ecde8792ae Mon Sep 17 00:00:00 2001
From: Wayne Stambaugh <stambaughw@verizon.net>
Date: Tue, 6 Dec 2011 09:46:48 -0500
Subject: [PATCH] Zero memory to duplicate behavior changed when C malloc() was
 replaced by C++ new().

---
 pcbnew/board.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pcbnew/board.cpp b/pcbnew/board.cpp
index b3209eabad..7568b3ba3f 100644
--- a/pcbnew/board.cpp
+++ b/pcbnew/board.cpp
@@ -115,18 +115,21 @@ int MATRIX_ROUTING_HEAD::InitBoard()
 
         /* allocate Board & initialize everything to empty */
         m_BoardSide[kk] = (MATRIX_CELL*) operator new( ii * sizeof(MATRIX_CELL) );
+        memset( m_BoardSide[kk], 0, ii * sizeof(MATRIX_CELL) );
 
         if( m_BoardSide[kk] == NULL )
             return -1;
 
         /***** allocate Distances *****/
         m_DistSide[kk] = (DIST_CELL*) operator new( ii * sizeof(DIST_CELL) );
+        memset( m_DistSide[kk], 0, ii * sizeof(DIST_CELL) );
 
         if( m_DistSide[kk] == NULL )
             return -1;
 
         /***** allocate Dir (chars) *****/
         m_DirSide[kk] = (char*) operator new( ii );
+        memset( m_DirSide[kk], 0, ii );
 
         if( m_DirSide[kk] == NULL )
             return -1;