From 80ba4766d8ce9861f6d026e791abc741e3fed0f4 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 19 Feb 2017 05:47:59 +0300
Subject: Fix some memory leaks and add duplicate item fields check.

---
 src/resources/db/deaddb.cpp      | 10 ++++++++--
 src/resources/db/itemfielddb.cpp |  7 +++++++
 src/resources/db/questdb.cpp     |  3 ++-
 3 files changed, 17 insertions(+), 3 deletions(-)

(limited to 'src/resources/db')

diff --git a/src/resources/db/deaddb.cpp b/src/resources/db/deaddb.cpp
index 251ae3a33..778d88a0b 100644
--- a/src/resources/db/deaddb.cpp
+++ b/src/resources/db/deaddb.cpp
@@ -73,11 +73,17 @@ void DeadDB::loadXmlFile(const std::string &fileName,
         }
         else if (xmlNameEqual(node, "message"))
         {
-            const char *const data = reinterpret_cast<const char*>(
+            char *const data = reinterpret_cast<char*>(
                 XmlNodeGetContent(node));
-            if (!data || !*data)
+            if (!data)
                 continue;
+            if (!*data)
+            {
+                XmlFree(data);
+                continue;
+            }
             mMessages.push_back(data);
+            XmlFree(data);
         }
     }
 
diff --git a/src/resources/db/itemfielddb.cpp b/src/resources/db/itemfielddb.cpp
index 17f9b61e1..0eeb7f901 100644
--- a/src/resources/db/itemfielddb.cpp
+++ b/src/resources/db/itemfielddb.cpp
@@ -86,6 +86,13 @@ static void loadFields(const XmlNodePtr groupNode,
                 name.c_str());
             continue;
         }
+        if (fields1.find(name) != fields1.end())
+        {
+            reportAlways(
+                "Same field name detected: %s",
+                name.c_str());
+            continue;
+        }
         fields1[name] = new ItemFieldType(name,
             description,
             sign);
diff --git a/src/resources/db/questdb.cpp b/src/resources/db/questdb.cpp
index 93bcada6e..da05721b1 100644
--- a/src/resources/db/questdb.cpp
+++ b/src/resources/db/questdb.cpp
@@ -83,11 +83,12 @@ static void loadQuest(const int var,
     {
         if (!xmlTypeEqual(dataNode, XML_ELEMENT_NODE))
             continue;
-        const char *const data = reinterpret_cast<const char*>(
+        char *const data = reinterpret_cast<char*>(
             XmlNodeGetContent(dataNode));
         if (!data)
             continue;
         std::string str = translator->getStr(data);
+        XmlFree(data);
 
         for (int f = 1; f < 100; f ++)
         {
-- 
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