5 files changed, 14 insertions, 14 deletions
diff --git a/src/Data/Level.cpp b/src/Data/Level.cpp
index 283bf66..7193f37 100644
--- a/src/Data/Level.cpp
+++ b/src/Data/Level.cpp
@@ -69,7 +69,7 @@ Room* Level::getRoom(const Glib::ustring &id) const {
       return *room;
   }
   
-  return NULL;
+  return 0;
 }
 
 Room* Level::addRoom(const Glib::ustring &id) {
@@ -95,7 +95,7 @@ Gate* Level::getGate(const Glib::ustring &id) const {
       return *gate;
   }
   
-  return NULL;
+  return 0;
 }
 
 Gate* Level::addGate(const Glib::ustring &id) {
@@ -123,7 +123,7 @@ Texture* Level::getTexture(const Glib::ustring &id) const {
       return *tex;
   }
   
-  return NULL;
+  return 0;
 }
 
 Texture* Level::addTexture(const Glib::ustring &id) {
diff --git a/src/Data/Triangle.cpp b/src/Data/Triangle.cpp
index a85d8ad..096081b 100644
--- a/src/Data/Triangle.cpp
+++ b/src/Data/Triangle.cpp
@@ -101,8 +101,8 @@ Triangle::Triangle(xmlpp::Element *node) : triangleNode(node) {
       vertexNodes[++i] = e;
       vertices[i] = loadVertex(e);
       
-      normalNodes[i] = NULL;
-      texCoordsNodes[i] = NULL;
+      normalNodes[i] = 0;
+      texCoordsNodes[i] = 0;
     }
   }
   
diff --git a/src/Gui/RenderArea.cpp b/src/Gui/RenderArea.cpp
index 576b1f7..39e1e45 100644
--- a/src/Gui/RenderArea.cpp
+++ b/src/Gui/RenderArea.cpp
@@ -28,7 +28,7 @@
 namespace ZoomEdit {
 namespace Gui {
 
-GdkGLConfig *RenderArea::glconfig = NULL;
+GdkGLConfig *RenderArea::glconfig = 0;
 
 RenderArea::RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade::Xml> &xml)
 : Gtk::DrawingArea(cobject), xCenter(0), yCenter(0), zoomLevel(0), scale(100) {
@@ -63,7 +63,7 @@ RenderArea::RenderArea(BaseObjectType *cobject, const Glib::RefPtr<Gnome::Glade:
   if(vScrollbar)
     vScrollbar->signal_value_changed().connect(sigc::mem_fun(this, &RenderArea::updateScrolling));
   
-  gtk_widget_set_gl_capability(GTK_WIDGET(cobject), glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE);
+  gtk_widget_set_gl_capability(GTK_WIDGET(cobject), glconfig, 0, TRUE, GDK_GL_RGBA_TYPE);
 }
 
 void RenderArea::onRealize() {
diff --git a/src/Instance.cpp b/src/Instance.cpp
index f602bbf..6d01d99 100644
--- a/src/Instance.cpp
+++ b/src/Instance.cpp
@@ -28,7 +28,7 @@ namespace ZoomEdit {
 
 guint Instance::instances = 0;
 
-Instance::Instance(const Glib::ustring &file) : window(NULL), levelXml(NULL), level(NULL) {
+Instance::Instance(const Glib::ustring &file) : window(0), levelXml(0), level(0) {
   instances++;
   
 #ifdef GLIBMM_EXCEPTIONS_ENABLED
@@ -114,7 +114,7 @@ void Instance::createLevel() {
 bool Instance::loadLevel(const Glib::ustring &file) {
   if(level) {
     delete level;
-    level = NULL;
+    level = 0;
   }
   
   if(levelXml)
@@ -131,7 +131,7 @@ bool Instance::loadLevel(const Glib::ustring &file) {
   
   level = new Data::Level(doc->get_root_node());
   
-  return (level != NULL);
+  return (level != 0);
 }
 
 bool Instance::saveLevel(const Glib::ustring &file) {
diff --git a/src/Util/Xml.cpp b/src/Util/Xml.cpp
index 5dac26a..0339b45 100644
--- a/src/Util/Xml.cpp
+++ b/src/Util/Xml.cpp
@@ -25,15 +25,15 @@ namespace Util {
 
 xmlpp::Element* Xml::addSibling(xmlpp::Node *previous, const Glib::ustring &name) {
   if(!previous)
-    return NULL;
+    return 0;
   
-  xmlNodePtr child = xmlNewNode(NULL, (const xmlChar*)name.c_str());
+  xmlNodePtr child = xmlNewNode(0, (const xmlChar*)name.c_str());
   if(!child)
-    return NULL;
+    return 0;
   
   xmlNodePtr node = xmlAddNextSibling(previous->cobj(), child);
   if(!node)
-    return NULL;
+    return 0;
   
   return static_cast<xmlpp::Element*>(node->_private);
 }