Add missing checks.

5 files changed, 55 insertions, 27 deletions

diff --git a/src/client.cpp b/src/client.cpp
index f20c674d9..bba55a960 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -1827,21 +1827,24 @@ void Client::initTradeFilter()
     if (stat(tradeListName.c_str(), &statbuf) || !S_ISREG(statbuf.st_mode))
     {
         tradeFile.open(tradeListName.c_str(), std::ios::out);
-        tradeFile << ": sell" << std::endl;
-        tradeFile << ": buy" << std::endl;
-        tradeFile << ": trade" << std::endl;
-        tradeFile << "i sell" << std::endl;
-        tradeFile << "i buy" << std::endl;
-        tradeFile << "i trade" << std::endl;
-        tradeFile << "i trading" << std::endl;
-        tradeFile << "i am buy" << std::endl;
-        tradeFile << "i am sell" << std::endl;
-        tradeFile << "i am trade" << std::endl;
-        tradeFile << "i am trading" << std::endl;
-        tradeFile << "i'm buy" << std::endl;
-        tradeFile << "i'm sell" << std::endl;
-        tradeFile << "i'm trade" << std::endl;
-        tradeFile << "i'm trading" << std::endl;
+        if (tradeFile.is_open())
+        {
+            tradeFile << ": sell" << std::endl;
+            tradeFile << ": buy" << std::endl;
+            tradeFile << ": trade" << std::endl;
+            tradeFile << "i sell" << std::endl;
+            tradeFile << "i buy" << std::endl;
+            tradeFile << "i trade" << std::endl;
+            tradeFile << "i trading" << std::endl;
+            tradeFile << "i am buy" << std::endl;
+            tradeFile << "i am sell" << std::endl;
+            tradeFile << "i am trade" << std::endl;
+            tradeFile << "i am trading" << std::endl;
+            tradeFile << "i'm buy" << std::endl;
+            tradeFile << "i'm sell" << std::endl;
+            tradeFile << "i'm trade" << std::endl;
+            tradeFile << "i'm trading" << std::endl;
+        }
         tradeFile.close();
     }
 }
@@ -1938,8 +1941,11 @@ void Client::initPacketLimiter()
             inPacketFile.open(packetLimitsName.c_str(), std::ios::in);
             char line[101];
 
-            if (!inPacketFile.getline(line, 100))
+            if (!inPacketFile.is_open() || !inPacketFile.getline(line, 100))
+            {
+                inPacketFile.close();
                 return;
+            }
 
             int ver = atoi(line);
 
@@ -1962,6 +1968,11 @@ void Client::writePacketLimits(std::string packetLimitsName)
 {
     std::ofstream outPacketFile;
     outPacketFile.open(packetLimitsName.c_str(), std::ios::out);
+    if (!outPacketFile.is_open())
+    {
+        outPacketFile.close();
+        return;
+    }
     outPacketFile << "2" << std::endl;
     for (int f = 0; f < PACKET_SIZE; f ++)
     {
diff --git a/src/gui/chatwindow.cpp b/src/gui/chatwindow.cpp
index a575b7054..1829a55ba 100644
--- a/src/gui/chatwindow.cpp
+++ b/src/gui/chatwindow.cpp
@@ -1304,12 +1304,15 @@ void ChatWindow::initTradeFilter()
     if (!stat(tradeListName.c_str(), &statbuf) && S_ISREG(statbuf.st_mode))
     {
         tradeFile.open(tradeListName.c_str(), std::ios::in);
-        char line[100];
-        while (tradeFile.getline(line, 100))
+        if (tradeFile.is_open())
         {
-            std::string str = line;
-            if (!str.empty())
-                mTradeFilter.push_back(str);
+            char line[100];
+            while (tradeFile.getline(line, 100))
+            {
+                std::string str = line;
+                if (!str.empty())
+                    mTradeFilter.push_back(str);
+            }
         }
         tradeFile.close();
     }
@@ -1466,12 +1469,15 @@ void ChatWindow::loadCustomList()
     if (!stat(listName.c_str(), &statbuf) && S_ISREG(statbuf.st_mode))
     {
         listFile.open(listName.c_str(), std::ios::in);
-        char line[101];
-        while (listFile.getline(line, 100))
+        if (listFile.is_open())
         {
-            std::string str = line;
-            if (!str.empty())
-                mCustomWords.push_back(str);
+            char line[101];
+            while (listFile.getline(line, 100))
+            {
+                std::string str = line;
+                if (!str.empty())
+                    mCustomWords.push_back(str);
+            }
         }
         listFile.close();
     }
diff --git a/src/gui/shopwindow.cpp b/src/gui/shopwindow.cpp
index 7578cbf7b..fdfea5d15 100644
--- a/src/gui/shopwindow.cpp
+++ b/src/gui/shopwindow.cpp
@@ -312,6 +312,11 @@ void ShopWindow::loadList()
     if (!stat(shopListName.c_str(), &statbuf) && S_ISREG(statbuf.st_mode))
     {
         shopFile.open(shopListName.c_str(), std::ios::in);
+        if (!shopFile.is_open())
+        {
+            shopFile.close();
+            return;
+        }
         char line[101];
         while (shopFile.getline(line, 100))
         {
diff --git a/src/map.cpp b/src/map.cpp
index 2c8dc90e2..773e6ecdc 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1296,6 +1296,11 @@ void Map::addExtraLayer()
     {
         std::ifstream mapFile;
         mapFile.open(mapFileName.c_str(), std::ios::in);
+        if (!mapFile.is_open())
+        {
+            mapFile.close();
+            return;
+        }
         char line[201];
         std::string buf;
         while (mapFile.getline(line, 200))
diff --git a/src/resources/resourcemanager.cpp b/src/resources/resourcemanager.cpp
index 96902cb4c..410611fc3 100644
--- a/src/resources/resourcemanager.cpp
+++ b/src/resources/resourcemanager.cpp
@@ -690,7 +690,8 @@ void ResourceManager::saveTextFile(std::string path, std::string name,
         std::string fileName = path + "/" + name;
 
         file.open(fileName.c_str(), std::ios::out);
-        file << text << std::endl;
+        if (file.is_open())
+            file << text << std::endl;
         file.close();
     }
 }