From 9e83411f7e4147d09af5a5006888dcc187ea0ef8 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Mon, 7 Nov 2011 19:34:52 +0300
Subject: Fix some warnings under gcc 4.7.

---
 src/guichan/sdl/sdlgraphics.cpp |  4 ++--
 src/guichan/sdl/sdlimage.cpp    | 18 ++++++++++--------
 2 files changed, 12 insertions(+), 10 deletions(-)

(limited to 'src/guichan/sdl')

diff --git a/src/guichan/sdl/sdlgraphics.cpp b/src/guichan/sdl/sdlgraphics.cpp
index 28aface0e..67aa657cd 100644
--- a/src/guichan/sdl/sdlgraphics.cpp
+++ b/src/guichan/sdl/sdlgraphics.cpp
@@ -65,7 +65,7 @@ namespace gcn
 {
 
     SDLGraphics::SDLGraphics() :
-        mTarget(0),
+        mTarget(nullptr),
         mAlpha(false)
     {
     }
@@ -155,7 +155,7 @@ namespace gcn
 
         const SDLImage* srcImage = dynamic_cast<const SDLImage*>(image);
 
-        if (srcImage == NULL)
+        if (!srcImage)
         {
             throw GCN_EXCEPTION("Trying to draw an image of unknown format,"
                 " must be an SDLImage.");
diff --git a/src/guichan/sdl/sdlimage.cpp b/src/guichan/sdl/sdlimage.cpp
index 12c5571cf..156b399b3 100644
--- a/src/guichan/sdl/sdlimage.cpp
+++ b/src/guichan/sdl/sdlimage.cpp
@@ -50,6 +50,8 @@
 #include "guichan/exception.hpp"
 #include "guichan/sdl/sdlpixel.hpp"
 
+#include "debug.h"
+
 namespace gcn
 {
     SDLImage::SDLImage(SDL_Surface* surface, bool autoFree)
@@ -71,7 +73,7 @@ namespace gcn
 
     int SDLImage::getWidth() const
     {
-        if (mSurface == NULL)
+        if (!mSurface)
         {
             throw GCN_EXCEPTION("Trying to get the width of "
                 "a non loaded image.");
@@ -82,7 +84,7 @@ namespace gcn
 
     int SDLImage::getHeight() const
     {
-        if (mSurface == NULL)
+        if (!mSurface)
         {
             throw GCN_EXCEPTION("Trying to get the height of "
                 "a non loaded image.");
@@ -93,7 +95,7 @@ namespace gcn
 
     Color SDLImage::getPixel(int x, int y)
     {
-        if (mSurface == NULL)
+        if (!mSurface)
         {
             throw GCN_EXCEPTION("Trying to get a pixel from a "
                 "non loaded image.");
@@ -104,7 +106,7 @@ namespace gcn
 
     void SDLImage::putPixel(int x, int y, const Color& color)
     {
-        if (mSurface == NULL)
+        if (!mSurface)
         {
             throw GCN_EXCEPTION("Trying to put a pixel in a "
                 "non loaded image.");
@@ -115,7 +117,7 @@ namespace gcn
 
     void SDLImage::convertToDisplayFormat()
     {
-        if (mSurface == NULL)
+        if (!mSurface)
         {
             throw GCN_EXCEPTION("Trying to convert a non loaded image "
                 "to display format.");
@@ -155,16 +157,16 @@ namespace gcn
         {
             tmp = SDL_DisplayFormatAlpha(mSurface);
             SDL_FreeSurface(mSurface);
-            mSurface = NULL;
+            mSurface = nullptr;
         }
         else
         {
             tmp = SDL_DisplayFormat(mSurface);
             SDL_FreeSurface(mSurface);
-            mSurface = NULL;
+            mSurface = nullptr;
         }
 
-        if (tmp == NULL)
+        if (!tmp)
             throw GCN_EXCEPTION("Unable to convert image to display format.");
 
         if (hasPink)
-- 
cgit v1.2.3-70-g09d2