docs: def read_sis_ini(fh, byteorder, dtype, count, offsetsize):
      """Read OlympusSIS INI string and return as dict."""
      inistr = fh.read(count)
      inistr = bytes2str(stripnull(inistr))
      try:
          return olympusini_metadata(inistr)
      except Exception as exc:
          log.warning('olympusini_metadata: %s: %s', exc.__class__.__name__, exc)
          return {}