Function ToTimePoint

cpp/src/arrow/filesystem/localfs.cc:77–85

}

TimePoint ToTimePoint(FILETIME ft) {
  // Hundreds of nanoseconds between January 1, 1601 (UTC) and the Unix epoch.
  static constexpr int64_t kFileTimeEpoch = 11644473600LL * 10000000;

  int64_t hundreds = (static_cast<int64_t>(ft.dwHighDateTime) << 32) + ft.dwLowDateTime -
                     kFileTimeEpoch;  // hundreds of ns since Unix epoch
  std::chrono::nanoseconds ns_count(100 * hundreds);
  return TimePoint(std::chrono::duration_cast<TimePoint::duration>(ns_count));
}

FileInfo FileInformationToFileInfo(const BY_HANDLE_FILE_INFORMATION& information) {
  FileInfo info;