From 9eaedaec1ee2dfaa1f3a21e0ed3afda7cc2cea2a Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Mon, 7 May 2012 02:37:24 +0000
Subject: [PATCH] Fix uninitialized pointer in CNxTKWindow

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4706 42af7a65-404d-4744-a932-0658087f49c3
---
 ChangeLog.txt                    |  4 +++-
 libnxwidgets/src/cnxtkwindow.cxx | 13 +++++++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 1d4c69c9e..cff96bca0 100755
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -26,4 +26,6 @@
   some lesser used feature over time in order to reduce the NxWidgets
   footprint.
 * CNxWidget: Removed support for reference constants and close types.
-  The goal is to ge the base widget class as small as possible.
\ No newline at end of file
+  The goal is to ge the base widget class as small as possible.
+* CNxTkWindow:  Fix uninitialized pointer value.
+
diff --git a/libnxwidgets/src/cnxtkwindow.cxx b/libnxwidgets/src/cnxtkwindow.cxx
index 520896fa2..8b880a618 100644
--- a/libnxwidgets/src/cnxtkwindow.cxx
+++ b/libnxwidgets/src/cnxtkwindow.cxx
@@ -66,9 +66,18 @@ using namespace NXWidgets;
  */
   
 CNxTkWindow::CNxTkWindow(NXHANDLE hNxServer, CWidgetControl *pWidgetControl)
-  : CCallback(pWidgetControl), m_hNxServer(hNxServer), m_hNxTkWindow(0),
-    m_widgetControl(pWidgetControl)
+  : CCallback(pWidgetControl)
 {
+  // Save construction values
+
+  m_hNxServer     = hNxServer;
+  m_widgetControl = pWidgetControl;
+
+  // Nullify uninitilized pointers
+
+  m_hNxTkWindow   = (NXTKWINDOW  )0;
+  m_toolbar       = (CNxToolbar *)0;
+
   // Create the CGraphicsPort instance for this window
 
   m_widgetControl->createGraphicsPort(static_cast<INxWindow*>(this));