ifstream::ifstream(const char* filename, std::ios_base::openmode mode) : std::ifstream(OSGDB_CONVERT_UTF8_FILENAME(filename), mode) {}
void ofstream::open(const char* filename, std::ios_base::openmode mode) { std::ofstream::open(OSGDB_CONVERT_UTF8_FILENAME(filename), mode); }
void open(std::fstream &fs, const char* filename,std::ios_base::openmode mode) { fs.open(OSGDB_CONVERT_UTF8_FILENAME(filename), mode); }