From f498d80c587033bffb9abedb2b0827ad8d4a2a32 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 2 Feb 2012 05:11:50 +0300
Subject: Add some checks after automatic checking.

---
 src/guichan/gui.cpp                          | 2 ++
 src/guichan/include/guichan/sdl/sdlpixel.hpp | 6 ++++++
 2 files changed, 8 insertions(+)

(limited to 'src/guichan')

diff --git a/src/guichan/gui.cpp b/src/guichan/gui.cpp
index 3f5581424..1ade3f138 100644
--- a/src/guichan/gui.cpp
+++ b/src/guichan/gui.cpp
@@ -618,6 +618,7 @@ namespace gcn
     {
         Widget* widget = getWidgetAt(x, y);
 
+        //+++ possible nullpointer
         if (mFocusHandler->getModalMouseInputFocused()
             && !widget->isModalMouseInputFocused())
         {
@@ -631,6 +632,7 @@ namespace gcn
     {
         Widget* widget = mFocusHandler->getFocused();
 
+        //+++ possible nullpointer
         while (widget->_getInternalFocusHandler()
                && widget->_getInternalFocusHandler()->getFocused())
         {
diff --git a/src/guichan/include/guichan/sdl/sdlpixel.hpp b/src/guichan/include/guichan/sdl/sdlpixel.hpp
index 675b10fcd..809ae4649 100644
--- a/src/guichan/include/guichan/sdl/sdlpixel.hpp
+++ b/src/guichan/include/guichan/sdl/sdlpixel.hpp
@@ -60,6 +60,9 @@ namespace gcn
      */
     inline const Color SDLgetPixel(SDL_Surface* surface, int x, int y)
     {
+        if (!surface)
+            return Color(0, 0, 0, 0);
+
         int bpp = surface->format->BytesPerPixel;
 
         SDL_LockSurface(surface);
@@ -112,6 +115,9 @@ namespace gcn
     inline void SDLputPixel(SDL_Surface* surface, int x, int y,
                             const Color& color)
     {
+        if (!surface)
+            return;
+
         int bpp = surface->format->BytesPerPixel;
 
         SDL_LockSurface(surface);
-- 
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