Fix some memory leaks and missing initialisations.

4 files changed, 26 insertions, 5 deletions

diff --git a/src/gui/minimap.cpp b/src/gui/minimap.cpp
index b85826679..32887466c 100644
--- a/src/gui/minimap.cpp
+++ b/src/gui/minimap.cpp
@@ -49,7 +49,8 @@ Minimap::Minimap():
     Window(_("Map")),
     mMapImage(0),
     mWidthProportion(0.5),
-    mHeightProportion(0.5)
+    mHeightProportion(0.5),
+    mCustomMapImage(false)
 {
     setWindowName("Minimap");
     mShow = config.getValueBool(getWindowName() + "Show", true);
@@ -74,7 +75,13 @@ Minimap::~Minimap()
     config.setValue(getWindowName() + "Show", mShow);
 
     if (mMapImage)
-        mMapImage->decRef();
+    {
+        if (mCustomMapImage)
+            delete mMapImage;
+        else
+            mMapImage->decRef();
+        mMapImage = 0;
+    }
 }
 
 void Minimap::setMap(Map *map)
@@ -93,7 +100,10 @@ void Minimap::setMap(Map *map)
     // Adapt the image
     if (mMapImage)
     {
-        mMapImage->decRef();
+        if (mCustomMapImage)
+            delete mMapImage;
+        else
+            mMapImage->decRef();
         mMapImage = 0;
     }
 
@@ -129,6 +139,7 @@ void Minimap::setMap(Map *map)
 
             mMapImage = Image::load(surface);
             mMapImage->setAlpha(Client::getGuiAlpha());
+            mCustomMapImage = true;
             SDL_FreeSurface(surface);
         }
         else
@@ -143,6 +154,7 @@ void Minimap::setMap(Map *map)
                 minimapName = tempname;
 
             mMapImage = resman->getImage(minimapName);
+            mCustomMapImage = false;
         }
     }
 
diff --git a/src/gui/minimap.h b/src/gui/minimap.h
index e75dfddc1..33e0f14ee 100644
--- a/src/gui/minimap.h
+++ b/src/gui/minimap.h
@@ -63,6 +63,7 @@ class Minimap : public Window
         float mWidthProportion;
         float mHeightProportion;
         static bool mShow;
+        bool mCustomMapImage;
 };
 
 extern Minimap *minimap;
diff --git a/src/gui/whoisonline.cpp b/src/gui/whoisonline.cpp
index dfb896778..73b6e2e8c 100644
--- a/src/gui/whoisonline.cpp
+++ b/src/gui/whoisonline.cpp
@@ -368,6 +368,7 @@ int WhoIsOnline::downloadThread(void *ptr)
             if (!wio->mAllowUpdate)
             {
                 curl_easy_cleanup(curl);
+                curl = 0;
                 break;
             }
             wio->mDownloadedBytes = 0;
@@ -410,11 +411,13 @@ int WhoIsOnline::downloadThread(void *ptr)
                     break;
                 }
                 attempts++;
+                curl_easy_cleanup(curl);
+                curl_slist_free_all(pHeaders);
+                curl = 0;
                 continue;
             }
 
             curl_easy_cleanup(curl);
-
             curl_slist_free_all(pHeaders);
 
             // It's stored in memory, we're done
diff --git a/src/gui/widgets/button.cpp b/src/gui/widgets/button.cpp
index ba3ac5f36..0bc5ec9ef 100644
--- a/src/gui/widgets/button.cpp
+++ b/src/gui/widgets/button.cpp
@@ -71,6 +71,7 @@ ImageRect Button::button[BUTTON_COUNT];
 
 Button::Button():
     mDescription(""), mClickCount(0),
+    mTag(0),
     mVertexes(new GraphicsVertexes()),
     mRedraw(true),
     mMode(0),
@@ -84,8 +85,12 @@ Button::Button(const std::string &caption, const std::string &actionEventId,
                gcn::ActionListener *listener):
     gcn::Button(caption),
     mDescription(""), mClickCount(0),
+    mTag(0),
     mVertexes(new GraphicsVertexes()),
-    mRedraw(true)
+    mRedraw(true),
+    mMode(0),
+    mXOffset(0),
+    mYOffset(0)
 {
     init();
     setActionEventId(actionEventId);