Method openNextFile

lib/hal/HalStorage.cpp:166–170

void HalFile::rewindDirectory() { HAL_FILE_WRAPPED_CALL(rewindDirectory, ); }
bool HalFile::close() { HAL_FILE_WRAPPED_CALL(close, ); }
HalFile HalFile::openNextFile() {
  HalStorage::StorageLock lock;
  assert(impl != nullptr);
  return HalFile(std::make_unique<Impl>(impl->file.openNextFile()));
}
bool HalFile::isOpen() const { return impl != nullptr && impl->file.isOpen(); }  // already thread-safe, no need to wrap
HalFile::operator bool() const { return isOpen(); }