h.Gname = g.Name
			groupMap.Store(h.Gid, h.Gname)
		}
	}
	h.AccessTime = statAtime(sys)
	h.ChangeTime = statCtime(sys)

	// Best effort at populating Devmajor and Devminor.
	if h.Typeflag == TypeChar || h.Typeflag == TypeBlock {
		dev := uint64(sys.Rdev) // May be int32 or uint32
		switch runtime.GOOS {
		case "aix":
			var major, minor uint32
			major = uint32((dev & 0x3fffffff00000000) >> 32)

		case header == nil:
			continue
		}

		name := header.Name
		switch path.Clean(name) {
		case ".", slashSeparator:
			continue
		}

		switch header.Typeflag {
		case tar.TypeDir: // = directory
			if o.ignoreDirs {
				continue
			}
			name = trimLeadingSlash(pathJoin(name, slashSeparator))