if err != nil {
		return err
	}
	if hashsize >= (max / 4) {
		return nil
	}

	// sysfs is expected to be mounted as 'rw'. However, it may be
	// unexpectedly mounted as 'ro' by docker because of a known docker
	// issue (https://github.com/docker/docker/issues/24000). Setting
	// conntrack will fail when sysfs is readonly. When that happens, we
	// don't set conntrack hashsize and return a special error

@Immutable
public class HashCodeSerializer extends AbstractSerializer<HashCode> {
    @Override
    public HashCode read(Decoder decoder) throws IOException {
        byte hashSize = decoder.readByte();
        byte[] hash = new byte[hashSize];
        decoder.readBytes(hash);
        return HashCode.fromBytes(hash);
    }

    @Override
    public void write(Encoder encoder, HashCode value) throws IOException {

	t.W = int((n + 1) << uint(level))
	return t, int(n<<uint(level)) * HashSize, int((n+1)<<uint(level)) * HashSize
}

// HashFromTile returns the hash at the given storage index,
// provided that t == TileForIndex(t.H, index) or a wider version,
// and data is t's tile data (of length at least t.W*HashSize).
func HashFromTile(t Tile, data []byte, index int64) (Hash, error) {

	if set.SetType == BitmapPort {
		if err := validatePortRange(set.PortRange); err != nil {
			return err
		}
	}
	// check hash size value of ipset
	if set.HashSize <= 0 {
		return fmt.Errorf("invalid HashSize: %d", set.HashSize)
	}
	// check max elem value of ipset
	if set.MaxElem <= 0 {
		return fmt.Errorf("invalid MaxElem %d", set.MaxElem)
	}

	return nil
}

				SetType:    HashIPPort,
				HashFamily: ProtocolFamilyIPV4,
				HashSize:   1024,
				MaxElem:    1024,
			},
			expectErr: false,
			desc:      "No Port range",
		},
		{ // case[1]
			ipset: &IPSet{
				Name:       "SET",
				SetType:    BitmapPort,
				HashFamily: ProtocolFamilyIPV6,
				HashSize:   65535,
				MaxElem:    2048,
				PortRange:  DefaultPortRange,
			},

	grid := make([][hashSize]int, n)

	for z := 0; z < REP; z++ {
		// pick a random key, hash it
		k.random(r)
		h := k.hash()

		// flip each bit, hash & compare the results
		for i := 0; i < n; i++ {
			k.flipBit(i)
			d := h ^ k.hash()
			k.flipBit(i)

			// record the effects of that bit flip
			g := &grid[i]
			for j := 0; j < hashSize; j++ {
				g[j] += int(d & 1)

    @Param({"16", "1024", "65536"})
    int hashSize;

    // @Param({"md5.java", "md5.bc", "sha1.java", "sha1.bc", "blake2b.bc"})
    @Param({"md5.java", "murmur3.guava"})
    String type;

    byte[] input;
    HashProcessorFactory processorFactory;

    @Setup(Level.Iteration)
    public void setup() throws CloneNotSupportedException {
        input = new byte[hashSize];
        random.nextBytes(input);

	grid := make([][hashSize]int, n)

	for z := 0; z < REP; z++ {
		// pick a random key, hash it
		k.random(r)
		h := k.hash()

		// flip each bit, hash & compare the results
		for i := 0; i < n; i++ {
			k.flipBit(i)
			d := h ^ k.hash()
			k.flipBit(i)

			// record the effects of that bit flip
			g := &grid[i]
			for j := 0; j < hashSize; j++ {
				g[j] += int(d & 1)

// repeatable computation (command line, environment variables,
// input file contents, executable contents).
type ActionID [HashSize]byte

// An OutputID is a cache output key, the hash of an output of a computation.
type OutputID [HashSize]byte

// Cache is the interface as used by the cmd/go.
type Cache interface {
	// Get returns the cache entry for the provided ActionID.

	SymIdx uint32
}

func (s SymRef) IsZero() bool { return s == SymRef{} }

// Hash64
type Hash64Type [Hash64Size]byte

const Hash64Size = 8

// Hash
type HashType [HashSize]byte

const HashSize = 16 // truncated SHA256

// Relocation.
//
// Serialized format:
//
//	Reloc struct {
//	   Off  int32
//	   Siz  uint8
//	   Type uint16
//	   Add  int64
//	   Sym  SymRef