Merge pull request #593 from tomaz82/cleanup

Automn cleaning

es-app/src/main.cpp

@@ -36,9 +36,9 @@ bool parseArgs(int argc, char* argv[])
 	// We need to process --home before any call to Settings::getInstance(), because settings are loaded from homepath
 	for(int i = 1; i < argc; i++)
 	{
-		if (strcmp(argv[i], "--home") == 0)
+		if(strcmp(argv[i], "--home") == 0)
 		{
-			if (i >= argc - 1)
+			if(i >= argc - 1)
 			{
 				std::cerr << "Invalid home path supplied.";
 				return false;

es-core/src/guis/GuiInputConfig.cpp

@@ -357,6 +357,10 @@ bool GuiInputConfig::filterTrigger(Input input, InputConfig* config, int inputId
 		mSkipAxis = true;
 		return true;
 	}
+#else
+	(void)input;
+	(void)config;
+	(void)inputId;
 #endif
 
 	return false;

es-core/src/utils/FileSystemUtil.cpp

@@ -25,8 +25,8 @@ namespace Utils
 {
 	namespace FileSystem
 	{
-		static std::string homePath;
-		static std::string exePath;
+		static std::string homePath = "";
+		static std::string exePath  = "";
 
 #if defined(_WIN32)
 		static std::string convertFromWideString(const std::wstring wstring)
@@ -142,18 +142,20 @@ namespace Utils
 		void setHomePath(const std::string& _path)
 		{
 			homePath = getGenericPath(_path);
-		}
+
+		} // setHomePath
 
 		std::string getHomePath()
 		{
+			// only construct the homepath once
 			if(homePath.length())
 				return homePath;
 
-			// Is it a portable installation ? Check if ".emulationstation/es_systems.cfg" exists in the exe's path
+			// check if "getExePath()/.emulationstation/es_systems.cfg" exists
 			if(Utils::FileSystem::exists(getExePath() + "/.emulationstation/es_systems.cfg"))
 				homePath = getExePath();
 
-			// Check for HOME environment variable
+			// check for HOME environment variable
 			if(!homePath.length())
 			{
 				char* envHome = getenv("HOME");
@@ -162,8 +164,7 @@ namespace Utils
 			}
 
 #if defined(_WIN32)
-			// On Windows, HOME is not the system's user path but a user environment variable.
-			// Instead we get the home user's path using %HOMEDRIVE%/%HOMEPATH% which are system variables.
+			// on Windows we need to check HOMEDRIVE and HOMEPATH
 			if(!homePath.length())
 			{
 				char* envHomeDrive = getenv("HOMEDRIVE");
@@ -193,15 +194,16 @@ namespace Utils
 
 		void setExePath(const std::string& _path)
 		{
-			std::string path = getCanonicalPath(_path);
-			if(isRegularFile(path))
-				path = getParent(path);
+			exePath = getCanonicalPath(_path);
+
+			if(isRegularFile(exePath))
+				exePath = getParent(exePath);
 
-			exePath = path;
 		} // setExePath
 
 		std::string getExePath()
 		{
+			// return constructed exepath
 			return exePath;
 
 		} // getExePath
@@ -451,22 +453,18 @@ namespace Utils
 			bool        contains = false;
 			std::string path     = removeCommonPath(_path, _relativeTo, contains);
 
-			if(contains)
-			{
 			// success
+			if(contains)
 				return ("./" + path);
-			}
 
 			if(_allowHome)
 			{
 				path = removeCommonPath(_path, getHomePath(), contains);
 
-				if(contains)
-				{
 				// success
+				if(contains)
 					return ("~/" + path);
 			}
-			}
 
 			// nothing to resolve
 			return path;

es-core/src/utils/FileSystemUtil.h

@@ -39,6 +39,7 @@ namespace Utils
 		bool        isDirectory        (const std::string& _path);
 		bool        isSymlink          (const std::string& _path);
 		bool        isHidden           (const std::string& _path);
+
 	} // FileSystem::
 
 } // Utils::

es-core/src/utils/StringUtil.cpp

@@ -205,7 +205,7 @@ namespace Utils
 			{
 				done = true;
 
-				for(int i = 0; i < sizeof(remove); i += 2)
+				for(size_t i = 0; i < sizeof(remove); i += 2)
 				{
 					end   = string.find_first_of(remove[i + 1]);
 					start = string.find_last_of( remove[i + 0], end);
@@ -280,14 +280,13 @@ namespace Utils
 
 		} // format
 
-		// Simple XOR scrambling of a string, with an accompanying key
-		std::string scramble(const std::string& _input, const std::string& key)
+		std::string scramble(const std::string& _input, const std::string& _key)
 		{
 			std::string buffer = _input;
 
-			for (size_t i = 0; i < _input.size(); ++i) 
+			for(size_t i = 0; i < _input.size(); ++i)
 			{
-				buffer[i] = _input[i] ^ key[i];
+				buffer[i] = _input[i] ^ _key[i];
 			}
 
 			return buffer;