From 37d72351be2f02b90fec5bead671c48e47f418a5 Mon Sep 17 00:00:00 2001
From: krzys-h <krzys_h@interia.pl>
Date: Sat, 2 Apr 2016 14:18:34 +0200
Subject: [PATCH] Fixed log file creation crash (#755)

---
 src/app/main.cpp | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/app/main.cpp b/src/app/main.cpp
index de3f8423..88908f6f 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -44,6 +44,7 @@
 
 #include <memory>
 #include <vector>
+#include <boost/filesystem.hpp>
 
 /* Doxygen main page */
 
@@ -98,13 +99,19 @@ int main(int argc, char *argv[])
     systemUtils->Init();
 
     // Add file output to the logger
-    std::string logfile;
+    std::string logFileName;
     #if DEV_BUILD
-        logfile = "log.txt";
+        logFileName = "log.txt";
     #else
-        logfile = systemUtils->GetSaveDir() + "/log.txt";
+        boost::filesystem::create_directories(systemUtils->GetSaveDir());
+        logFileName = systemUtils->GetSaveDir() + "/log.txt";
     #endif
-    logger.AddOutput(fopen(logfile.c_str(), "w"));
+    FILE* logFile = fopen(logFileName.c_str(), "w");
+    if (logFile)
+        logger.AddOutput(logFile);
+    else
+        logger.Error("Failed to create log file, writing log to file disabled\n");
+
 
     // Workaround for character encoding in argv on Windows
     #if PLATFORM_WINDOWS