t.Fatalf("flate Writer.Close err = %v", err)
			}
			compressedContent = buf.Bytes()
			f.compressedSize = uint64(len(compressedContent))
		}

		h := &FileHeader{
			Name:               f.name,
			Method:             f.method,
			Flags:              f.flags,
			CRC32:              f.crc32,
			CompressedSize64:   f.compressedSize,
			UncompressedSize64: f.uncompressedSize,
		}
		w, err := w.CreateRaw(h)

	fh.CompressedSize64 = uint64(w.compCount.count)
	fh.UncompressedSize64 = uint64(w.rawCount.count)

	if fh.isZip64() {
		fh.CompressedSize = uint32max
		fh.UncompressedSize = uint32max
		fh.ReaderVersion = zipVersion45 // requires 4.5 - File uses ZIP64 format extensions
	} else {
		fh.CompressedSize = uint32(fh.CompressedSize64)
		fh.UncompressedSize = uint32(fh.UncompressedSize64)
	}

	return w.writeDataDescriptor()
}