*b = block{}
}

type headerV7 [blockSize]byte

func (h *headerV7) name() []byte     { return h[000:][:100] }
func (h *headerV7) mode() []byte     { return h[100:][:8] }
func (h *headerV7) uid() []byte      { return h[108:][:8] }
func (h *headerV7) gid() []byte      { return h[116:][:8] }
func (h *headerV7) size() []byte     { return h[124:][:12] }
func (h *headerV7) modTime() []byte  { return h[136:][:12] }

var testString string // test data for write tests
var testBytes []byte  // test data; same as testString but as a slice.

type negativeReader struct{}

func (r *negativeReader) Read([]byte) (int, error) { return -1, nil }

func init() {
	testBytes = make([]byte, N)
	for i := 0; i < N; i++ {
		testBytes[i] = 'a' + byte(i%26)
	}
	testString = string(testBytes)
}

			},
			wantVal: true,
			wantOk:  true,
		},
		{
			name: "truetabs",
			fields: fields{
				value: []byte("\ttrue\t"),
			},
			wantVal: true,
			wantOk:  true,
		},
		{
			name: "TRUE",
			fields: fields{
				value: []byte("TRUE"),
			},
			wantVal: true,
			wantOk:  true,
		},
		{
			name: "FALSE",
			fields: fields{
				value: []byte("FALSE"),

	a := make([][]byte, len(spans))
	for i, span := range spans {
		a[i] = s[span.start:span.end:span.end]
	}

	return a
}

// Join concatenates the elements of s to create a new byte slice. The separator
// sep is placed between elements in the resulting slice.
func Join(s [][]byte, sep []byte) []byte {
	if len(s) == 0 {
		return []byte{}
	}
	if len(s) == 1 {

}

// ReadByte reads and returns a single byte.
// If no byte is available, returns an error.
func (b *Reader) ReadByte() (byte, error) {
	b.lastRuneSize = -1
	for b.r == b.w {
		if b.err != nil {
			return 0, b.readErr()
		}
		b.fill() // buffer is empty
	}
	c := b.buf[b.r]
	b.r++
	b.lastByte = int(c)
	return c, nil
}

// UnreadByte unreads the last byte. Only the most recently read byte can be unread.

// For example,
//
//	"10000;chunk-signature=..." => "10000", "chunk-signature=..."
func parseS3ChunkExtension(buf []byte) ([]byte, []byte) {
	buf = trimTrailingWhitespace(buf)
	semi := bytes.Index(buf, []byte(s3ChunkSignatureStr))
	// Chunk signature not found, return the whole buffer.
	if semi == -1 {
		return buf, nil
	}
	return buf[:semi], parseChunkSignature(buf[semi:])

	PolicyConfigJSON            []byte
	NotificationConfigXML       []byte
	LifecycleConfigXML          []byte
	ObjectLockConfigXML         []byte
	VersioningConfigXML         []byte
	EncryptionConfigXML         []byte
	TaggingConfigXML            []byte
	QuotaConfigJSON             []byte
	ReplicationConfigXML        []byte
	BucketTargetsConfigJSON     []byte
	BucketTargetsConfigMetaJSON []byte

	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("O")))
	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("Ami")))
	fmt.Println(bytes.HasSuffix([]byte("Amigo"), []byte("")))
	// Output:
	// true
	// false
	// false
	// true
}

func ExampleIndex() {
	fmt.Println(bytes.Index([]byte("chicken"), []byte("ken")))
	fmt.Println(bytes.Index([]byte("chicken"), []byte("dmr")))
	// Output:
	// 4
	// -1
}

	return
}

// MarshalMsg implements msgp.Marshaler
func (z MetricName) MarshalMsg(b []byte) (o []byte, err error) {
	o = msgp.Require(b, z.Msgsize())
	o = msgp.AppendString(o, string(z))
	return
}

// UnmarshalMsg implements msgp.Unmarshaler
func (z *MetricName) UnmarshalMsg(bts []byte) (o []byte, err error) {
	{
		var zb0001 string
		zb0001, bts, err = msgp.ReadStringBytes(bts)
		if err != nil {

	stringToSign += scope + "\n"
	canonicalRequestBytes := sha256.Sum256([]byte(canonicalRequest))
	stringToSign += hex.EncodeToString(canonicalRequestBytes[:])
	return stringToSign
}

// getSigningKey hmac seed to calculate final signature.
func getSigningKey(secretKey string, t time.Time, region string, stype serviceType) []byte {
	date := sumHMAC([]byte("AWS4"+secretKey), []byte(t.Format(yyyymmdd)))
	regionBytes := sumHMAC(date, []byte(region))