Add missing checks and non null attributes.

3 files changed, 33 insertions, 13 deletions

diff --git a/src/gui/windows/charcreatedialog.cpp b/src/gui/windows/charcreatedialog.cpp
index eba1dd96e..2168ad0a1 100644
--- a/src/gui/windows/charcreatedialog.cpp
+++ b/src/gui/windows/charcreatedialog.cpp
@@ -268,20 +268,28 @@ CharCreateDialog::CharCreateDialog(CharSelectDialog *const parent,
     if (serverFeatures->haveLookSelection() && mMinLook < mMaxLook)
     {
         y += 24;
-        mPrevLookButton->setPosition(leftX, y);
-        mNextLookButton->setPosition(rightX, y);
+        if (mPrevLookButton)
+            mPrevLookButton->setPosition(leftX, y);
+        if (mNextLookButton)
+            mNextLookButton->setPosition(rightX, y);
         y += 5;
-        mLookLabel->setPosition(labelX, y);
-        mLookNameLabel->setPosition(nameX, y);  // 93
+        if (mLookLabel)
+            mLookLabel->setPosition(labelX, y);
+        if (mLookNameLabel)
+            mLookNameLabel->setPosition(nameX, y);  // 93
     }
     if (serverFeatures->haveRaceSelection())
     {
         y += 24;
-        mPrevRaceButton->setPosition(leftX, y);
-        mNextRaceButton->setPosition(rightX, y);
+        if (mPrevRaceButton)
+            mPrevRaceButton->setPosition(leftX, y);
+        if (mNextRaceButton)
+            mNextRaceButton->setPosition(rightX, y);
         y += 5;
-        mRaceLabel->setPosition(labelX, y);
-        mRaceNameLabel->setPosition(nameX, y);
+        if (mRaceLabel)
+            mRaceLabel->setPosition(labelX, y);
+        if (mRaceNameLabel)
+            mRaceNameLabel->setPosition(nameX, y);
     }
 
     updateSliders();
diff --git a/src/gui/windows/maileditwindow.cpp b/src/gui/windows/maileditwindow.cpp
index 12ab097c0..1699b979c 100644
--- a/src/gui/windows/maileditwindow.cpp
+++ b/src/gui/windows/maileditwindow.cpp
@@ -136,11 +136,14 @@ void MailEditWindow::action(const ActionEvent &event)
         if (tempItem)
         {
             const Inventory *const inv = PlayerInfo::getInventory();
-            const Item *const item = inv->findItem(tempItem->getId(), 1);
-            if (item)
+            if (inv)
             {
-                mailHandler->setAttach(item->getInvIndex(),
-                    tempItem->getQuantity());
+                const Item *const item = inv->findItem(tempItem->getId(), 1);
+                if (item)
+                {
+                    mailHandler->setAttach(item->getInvIndex(),
+                        tempItem->getQuantity());
+                }
             }
         }
 
diff --git a/src/gui/windows/updaterwindow.cpp b/src/gui/windows/updaterwindow.cpp
index e221b73b9..9330539ab 100644
--- a/src/gui/windows/updaterwindow.cpp
+++ b/src/gui/windows/updaterwindow.cpp
@@ -362,7 +362,11 @@ void UpdaterWindow::loadNews()
     // Reallocate and include terminating 0 character
     mMemoryBuffer = static_cast<char*>(realloc(
         mMemoryBuffer, mDownloadedBytes + 1));
-
+    if (!mMemoryBuffer)
+    {
+        logger->log1("Couldn't load news");
+        return;
+    }
     mMemoryBuffer[mDownloadedBytes] = '\0';
     mBrowserBox->clearRows();
 
@@ -425,6 +429,11 @@ void UpdaterWindow::loadPatch()
     // Reallocate and include terminating 0 character
     mMemoryBuffer = static_cast<char*>(
         realloc(mMemoryBuffer, mDownloadedBytes + 1));
+    if (!mMemoryBuffer)
+    {
+        logger->log1("Couldn't load patch");
+        return;
+    }
     mMemoryBuffer[mDownloadedBytes] = '\0';
 
     std::string version;