From 05942467b37990f38fc80923f3d9ec63b160ad92 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 16 Oct 2014 18:21:50 +0300
Subject: Add missing checks.

---
 src/gui/windows/serverdialog.cpp | 11 ++++++++---
 src/particle/particle.cpp        | 16 ++++++++++++----
 src/particle/particleemitter.cpp |  2 ++
 src/resources/db/itemdb.cpp      | 11 +++++++++--
 4 files changed, 31 insertions(+), 9 deletions(-)

diff --git a/src/gui/windows/serverdialog.cpp b/src/gui/windows/serverdialog.cpp
index 30b4e600e..035a98a10 100644
--- a/src/gui/windows/serverdialog.cpp
+++ b/src/gui/windows/serverdialog.cpp
@@ -531,9 +531,14 @@ void ServerDialog::loadServers(const bool addNew)
                     server.port = defaultPortForServerType(server.type);
                 }
             }
-            else if ((xmlNameEqual(subNode, "description")
-                     && server.description.empty()) || (!lang.empty()
-                     && xmlNameEqual(subNode, description2.c_str())))
+            else if (!subNode->xmlChildrenNode)
+            {
+                continue;
+            }
+
+            if ((xmlNameEqual(subNode, "description")
+                && server.description.empty()) || (!lang.empty()
+                && xmlNameEqual(subNode, description2.c_str())))
             {
                 server.description = reinterpret_cast<const char*>(
                     subNode->xmlChildrenNode->content);
diff --git a/src/particle/particle.cpp b/src/particle/particle.cpp
index ed8db2d27..2ad4fe728 100644
--- a/src/particle/particle.cpp
+++ b/src/particle/particle.cpp
@@ -329,8 +329,12 @@ Particle *Particle::addEffect(const std::string &particleEffectFile,
         // Image
         else if ((node = XML::findFirstChildByName(effectChildNode, "image")))
         {
-            std::string imageSrc = reinterpret_cast<const char*>(
-                node->xmlChildrenNode->content);
+            std::string imageSrc;
+            if (node->xmlChildrenNode)
+            {
+                imageSrc = reinterpret_cast<const char*>(
+                    node->xmlChildrenNode->content);
+            }
             if (!imageSrc.empty() && !dyePalettes.empty())
                 Dye::instantiate(imageSrc, dyePalettes);
             Image *const img = resman->getImage(imageSrc);
@@ -375,8 +379,12 @@ Particle *Particle::addEffect(const std::string &particleEffectFile,
             }
             else if (xmlNameEqual(emitterNode, "deatheffect"))
             {
-                const std::string deathEffect = reinterpret_cast<const char*>(
-                    emitterNode->xmlChildrenNode->content);
+                std::string deathEffect;
+                if (node->xmlChildrenNode)
+                {
+                    deathEffect = reinterpret_cast<const char*>(
+                        emitterNode->xmlChildrenNode->content);
+                }
 
                 char deathEffectConditions = 0x00;
                 if (XML::getBoolProperty(emitterNode, "on-floor", true))
diff --git a/src/particle/particleemitter.cpp b/src/particle/particleemitter.cpp
index 496372a64..38462aeb6 100644
--- a/src/particle/particleemitter.cpp
+++ b/src/particle/particleemitter.cpp
@@ -322,6 +322,8 @@ ParticleEmitter::ParticleEmitter(const XmlNodePtrConst emitterNode,
         }
         else if (xmlNameEqual(propertyNode, "deatheffect"))
         {
+            if (!propertyNode->xmlChildrenNode)
+                continue;
             mDeathEffect = reinterpret_cast<const char*>(
                 propertyNode->xmlChildrenNode->content);
             mDeathEffectConditions = 0x00;
diff --git a/src/resources/db/itemdb.cpp b/src/resources/db/itemdb.cpp
index f4e4116ac..9d9550e82 100644
--- a/src/resources/db/itemdb.cpp
+++ b/src/resources/db/itemdb.cpp
@@ -431,8 +431,11 @@ void ItemDB::loadXmlFile(const std::string &fileName, int &tagNum)
             }
             else if (xmlNameEqual(itemChild, "particlefx"))
             {
-                display.particles.push_back(reinterpret_cast<const char*>(
-                    itemChild->xmlChildrenNode->content));
+                if (itemChild->xmlChildrenNode)
+                {
+                    display.particles.push_back(reinterpret_cast<const char*>(
+                        itemChild->xmlChildrenNode->content));
+                }
             }
             else if (xmlNameEqual(itemChild, "sound"))
             {
@@ -745,6 +748,8 @@ static void loadSpriteRef(ItemInfo *const itemInfo, const XmlNodePtr node)
 
 static void loadSoundRef(ItemInfo *const itemInfo, const XmlNodePtr node)
 {
+    if (!node->xmlChildrenNode)
+        return;
     const std::string event = XML::getProperty(node, "event", "");
     const std::string filename = reinterpret_cast<const char*>(
         node->xmlChildrenNode->content);
@@ -768,6 +773,8 @@ static void loadFloorSprite(SpriteDisplay *const display,
 {
     for_each_xml_child_node(spriteNode, floorNode)
     {
+        if (!spriteNode->xmlChildrenNode)
+            continue;
         if (xmlNameEqual(spriteNode, "sprite"))
         {
             SpriteReference *const currentSprite = new SpriteReference;
-- 
cgit v1.2.3-70-g09d2