Make GetDataDir return absolute paths

src/init.cpp

@@ -150,11 +150,12 @@ bool AppInit2(int argc, char* argv[])
     // If Qt is used, parameters/bitcoin.conf are parsed in qt/bitcoin.cpp's main()
 #if !defined(QT_GUI)
     ParseParameters(argc, argv);
-    if (!ReadConfigFile(mapArgs, mapMultiArgs))
+    if (!boost::filesystem::is_directory(GetDataDir(false)))
     {
         fprintf(stderr, "Error: Specified directory does not exist\n");
         Shutdown(NULL);
     }
+    ReadConfigFile(mapArgs, mapMultiArgs);
 #endif
 
     if (mapArgs.count("-?") || mapArgs.count("--help"))

src/qt/bitcoin.cpp

@@ -168,11 +168,12 @@ int main(int argc, char *argv[])
     ParseParameters(argc, argv);
 
     // ... then bitcoin.conf:
-    if (!ReadConfigFile(mapArgs, mapMultiArgs))
+    if (!boost::filesystem::is_directory(GetDataDir(false)))
     {
         fprintf(stderr, "Error: Specified directory does not exist\n");
         return 1;
     }
+    ReadConfigFile(mapArgs, mapMultiArgs);
 
     // Application identification (must be set before OptionsModel is initialized,
     // as it is used to locate QSettings)

src/util.cpp

@@ -870,7 +870,11 @@ const boost::filesystem::path &GetDataDir(bool fNetSpecific)
     LOCK(csPathCached);
 
     if (mapArgs.count("-datadir")) {
-        path = mapArgs["-datadir"];
+        path = fs::system_complete(mapArgs["-datadir"]);
+        if (!fs::is_directory(path)) {
+            path = "";
+            return path;
+        }
     } else {
         path = GetDefaultDataDir();
     }
@@ -892,7 +896,7 @@ boost::filesystem::path GetConfigFile()
     return pathConfigFile;
 }
 
-bool ReadConfigFile(map<string, string>& mapSettingsRet,
+void ReadConfigFile(map<string, string>& mapSettingsRet,
                     map<string, vector<string> >& mapMultiSettingsRet)
 {
     namespace fs = boost::filesystem;
@@ -900,7 +904,7 @@ bool ReadConfigFile(map<string, string>& mapSettingsRet,
 
     fs::ifstream streamConfig(GetConfigFile());
     if (!streamConfig.good())
-        return true; // No bitcoin.conf file is OK
+        return; // No bitcoin.conf file is OK
 
     set<string> setOptions;
     setOptions.insert("*");
@@ -917,7 +921,6 @@ bool ReadConfigFile(map<string, string>& mapSettingsRet,
         }
         mapMultiSettingsRet[strKey].push_back(it->value[0]);
     }
-    return true;
 }
 
 boost::filesystem::path GetPidFile()

src/util.h

@@ -162,7 +162,7 @@ const boost::filesystem::path &GetDataDir(bool fNetSpecific = true);
 boost::filesystem::path GetConfigFile();
 boost::filesystem::path GetPidFile();
 void CreatePidFile(const boost::filesystem::path &path, pid_t pid);
-bool ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
+void ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
 bool GetStartOnSystemStartup();
 bool SetStartOnSystemStartup(bool fAutoStart);
 void ShrinkDebugFile();