Windows/msvc lockstep changes

platform/windows/platform.h

@@ -12,10 +12,28 @@ std::wstring executable_path()
 	return exec_path.substr(0, path_index);
 }
 
+std::wstring executable_filename()
+{
+	wchar_t buffer[MAX_PATH];
+	GetModuleFileName(NULL, buffer, MAX_PATH);
+	std::wstring exec_path = buffer;
+	return exec_path;
+}
+
 std::wstring working_path()
 {
 	auto cwd = std::filesystem::current_path();
 	return cwd.wstring();
 }
 
+std::string narrow_string(std::wstring convertme)
+{
+	//setup converter
+	using convert_type = std::codecvt_utf8<wchar_t>;
+	std::wstring_convert<convert_type, wchar_t> converter;
+
+	//use converter (.to_bytes: wstr->str, .from_bytes: str->wstr)
+	return converter.to_bytes(convertme);
+}
+
 #endif