Method buffered_file

extlibs/fmt/src/os.cc:155–160

}

buffered_file::buffered_file(cstring_view filename, cstring_view mode) {
  FMT_RETRY_VAL(file_, FMT_SYSTEM(fopen(filename.c_str(), mode.c_str())),
                nullptr);
  if (!file_)
    FMT_THROW(system_error(errno, "cannot open file {}", filename.c_str()));
}

void buffered_file::close() {
  if (!file_) return;