Fix uninitialized pointer in CNxTKWindow

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4706 7fd9a85b-ad96-42d3-883c-3090e2eb8679

2 files changed, 14 insertions, 3 deletions

diff --git a/NxWidgets/ChangeLog.txt b/NxWidgets/ChangeLog.txt
index 1d4c69c9e..cff96bca0 100755
--- a/NxWidgets/ChangeLog.txt
+++ b/NxWidgets/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/NxWidgets/libnxwidgets/src/cnxtkwindow.cxx b/NxWidgets/libnxwidgets/src/cnxtkwindow.cxx
index 520896fa2..8b880a618 100644
--- a/NxWidgets/libnxwidgets/src/cnxtkwindow.cxx
+++ b/NxWidgets/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));