Win32: Use wide strings to parse most command-line arguments.

Also do a tiny bit of cleanup in main.cpp (replacing strcmps with simple string equality checks).

Common/CommonWindows.h

@@ -22,6 +22,8 @@ extern "C" void _ReadBarrier();
 
 #else
 #include <Windows.h>
+#include <vector>
+extern std::vector<std::wstring> GetWideCmdLine();
 #endif
 
 #undef min

Core/Config.cpp

@@ -694,8 +694,11 @@ std::map<std::string, std::pair<std::string, int>> GetLangValuesMapping() {
 }
 
 void Config::Load(const char *iniFileName, const char *controllerIniFilename) {
-	iniFilename_ = FindConfigFile(iniFileName != NULL ? iniFileName : "ppsspp.ini");
-	controllerIniFilename_ = FindConfigFile(controllerIniFilename != NULL ? controllerIniFilename : "controls.ini");
+	const bool useIniFilename = (iniFileName != NULL) && (strlen(iniFileName) > 0);
+	iniFilename_ = FindConfigFile(useIniFilename ? iniFileName : "ppsspp.ini");
+
+	const bool useControllerIniFilename = (controllerIniFilename != NULL) && (strlen(controllerIniFilename) > 0);
+	controllerIniFilename_ = FindConfigFile(useControllerIniFilename ? controllerIniFilename : "controls.ini");
 
 	INFO_LOG(LOADER, "Loading config: %s", iniFilename_.c_str());
 	bSaveSettings = true;

Windows/EmuThread.cpp

@@ -89,7 +89,27 @@ unsigned int WINAPI TheThread(void *)
 
 	Host *oldHost = host;
 
-	NativeInit(__argc, (const char **)__argv, "1234", "1234", "1234");
+	// Convert the command-line arguments to Unicode, then to proper UTF-8 
+	// (the benefit being that we don't have to pollute the UI project with win32 ifdefs and lots of Convert<whatever>To<whatever>).
+	// This avoids issues with PPSSPP inadvertently destroying paths with Unicode glyphs 
+	// (using the ANSI args resulted in Japanese/Chinese glyphs being turned into question marks, at least for me..).
+	// -TheDax
+	std::vector<std::wstring> wideArgs = GetWideCmdLine();
+	std::vector<std::string> argsUTF8;
+	for (auto& i : wideArgs)
+	{
+		argsUTF8.push_back(ConvertWStringToUTF8(i));
+	}
+
+	std::vector<const char *> args;
+
+	for (auto& string: argsUTF8)
+	{
+		args.push_back(string.c_str());
+	}
+
+	NativeInit(args.size(), &args[0], "1234", "1234", "1234");
+
 	Host *nativeHost = host;
 	host = oldHost;
 

Windows/main.cpp

@@ -334,6 +334,16 @@ void MakePPSSPPDPIAware()
 	}
 }
 
+std::vector<std::wstring> GetWideCmdLine() {
+	wchar_t **wargv;
+	int wargc = -1;
+	wargv = CommandLineToArgvW(GetCommandLineW(), &wargc);
+
+	std::vector<std::wstring> wideArgs(wargv, wargv + wargc);
+
+	return wideArgs;
+}
+
 int WINAPI WinMain(HINSTANCE _hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLine, int iCmdShow)
 {
 	setCurrentThreadName("Main");
@@ -385,23 +395,29 @@ int WINAPI WinMain(HINSTANCE _hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLin
 
 	osName = GetWindowsVersion() + " " + GetWindowsSystemArchitecture();
 
-	const char *configFilename = NULL;
-	const char *configOption = "--config=";
+	char configFilename[MAX_PATH] = { 0 };
+	const std::wstring configOption = L"--config=";
+
+	char controlsConfigFilename[MAX_PATH] = { 0 };
+	const std::wstring controlsOption = L"--controlconfig=";
 
-	const char *controlsConfigFilename = NULL;
-	const char *controlsOption = "--controlconfig=";
+	std::vector<std::wstring> wideArgs = GetWideCmdLine();
 
-	for (int i = 1; i < __argc; ++i)
+	for (size_t i = 1; i < wideArgs.size(); ++i)
 	{
-		if (__argv[i][0] == '\0')
+		if (wideArgs[i][0] == L'\0')
 			continue;
-		if (__argv[i][0] == '-')
-		{
-			if (!strncmp(__argv[i], configOption, strlen(configOption)) && strlen(__argv[i]) > strlen(configOption)) {
-				configFilename = __argv[i] + strlen(configOption);
+		if (wideArgs[i][0] == L'-') {
+			if (wideArgs[i].find(configOption) != std::wstring::npos && wideArgs[i].size() > configOption.size()) {
+				const std::wstring tempWide = wideArgs[i].substr(configOption.size());
+				const std::string tempStr = ConvertWStringToUTF8(tempWide);
+				std::strncpy(configFilename, tempStr.c_str(), MAX_PATH);
 			}
-			if (!strncmp(__argv[i], controlsOption, strlen(controlsOption)) && strlen(__argv[i]) > strlen(controlsOption)) {
-				controlsConfigFilename = __argv[i] + strlen(controlsOption);
+
+			if (wideArgs[i].find(controlsOption) != std::wstring::npos && wideArgs[i].size() > controlsOption.size()) {
+				const std::wstring tempWide = wideArgs[i].substr(configOption.size());
+				const std::string tempStr = ConvertWStringToUTF8(tempWide);
+				std::strncpy(configFilename, tempStr.c_str(), MAX_PATH);
 			}
 		}
 	}
@@ -420,32 +436,30 @@ int WINAPI WinMain(HINSTANCE _hInstance, HINSTANCE hPrevInstance, LPSTR szCmdLin
 	bool debugLogLevel = false;
 
 	// The rest is handled in NativeInit().
-	for (int i = 1; i < __argc; ++i)
+	for (size_t i = 1; i < wideArgs.size(); ++i)
 	{
-		if (__argv[i][0] == '\0')
+		if (wideArgs[i][0] == L'\0')
 			continue;
 
-		if (__argv[i][0] == '-')
-		{
-			switch (__argv[i][1])
-			{
-			case 'l':
+		if (wideArgs[i][0] == L'-') {
+			switch (wideArgs[i][1]) {
+			case L'l':
 				showLog = true;
 				g_Config.bEnableLogging = true;
 				break;
-			case 's':
+			case L's':
 				g_Config.bAutoRun = false;
 				g_Config.bSaveSettings = false;
 				break;
-			case 'd':
+			case L'd':
 				debugLogLevel = true;
 				break;
 			}
 
-			if (!strncmp(__argv[i], "--fullscreen", strlen("--fullscreen")))
+			if (wideArgs[i] == L"--fullscreen")
 				g_Config.bFullScreen = true;
 
-			if (!strncmp(__argv[i], "--windowed", strlen("--windowed")))
+			if (wideArgs[i] == L"--windowed")
 				g_Config.bFullScreen = false;
 		}
 	}