func setHeaderForSpecialDevice(hdr *tar.Header, ta *tarAppender, name string, stat interface{}) (nlink uint32, inode uint64, err error) { s, ok := stat.(*syscall.Stat_t) if !ok { err = errors.New("cannot convert stat value to syscall.Stat_t") return } nlink = uint32(s.Nlink) inode = uint64(s.Ino) // Currently go does not fil in the major/minors if s.Mode&syscall.S_IFBLK == syscall.S_IFBLK || s.Mode&syscall.S_IFCHR == syscall.S_IFCHR { hdr.Devmajor = int64(major(uint64(s.Rdev))) hdr.Devminor = int64(minor(uint64(s.Rdev))) } return }