package jstream

import (
	"io"
	"sync/atomic"
)

const (
	chunk    = 4095 // ~4k
	maxUint  = ^uint(0)
	maxInt   = int64(maxUint >> 1)
	nullByte = byte(0)
)

type scanner struct {
	pos       int64 // position in reader
	ipos      int64 // internal buffer position
	ifill     int64 // internal buffer fill
	end       int64
	buf       [chunk + 1]byte // internal buffer (with a lookback size of 1)

func (z *BitrotAlgorithm) DecodeMsg(dc *msgp.Reader) (err error) {
	{
		var zb0001 uint
		zb0001, err = dc.ReadUint()
		if err != nil {
			err = msgp.WrapError(err)
			return
		}
		(*z) = BitrotAlgorithm(zb0001)
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z BitrotAlgorithm) EncodeMsg(en *msgp.Writer) (err error) {
	err = en.WriteUint(uint(z))
	if err != nil {
		err = msgp.WrapError(err)
		return
	}

	tok = in.Stack.Next()
	if tok != '\n' {
		in.Error("unexpected token at end of #line: ", tok)
	}
	pos := src.MakePos(in.Base(), uint(in.Line())+1, 1) // +1 because #line nnn means line nnn starts on next line
	in.Stack.SetBase(src.NewLinePragmaBase(pos, file, objabi.AbsFile(objabi.WorkingDir(), file, *flags.TrimPath), uint(line), 1))
}

// #undef processing
func (in *Input) undef() {
	name := in.macroName()
	if in.macros[name] == nil {

	"github.com/minio/pkg/v3/env"
)

// Indicator if logging is enabled.
var dsyncLog bool

// Retry unit interval
var lockRetryMinInterval time.Duration

var lockRetryBackOff func(*rand.Rand, uint) time.Duration

func init() {
	// Check for MINIO_DSYNC_TRACE env variable, if set logging will be enabled for failed REST operations.
	dsyncLog = env.Get("_MINIO_DSYNC_TRACE", "0") == "1"

		if ecindex != nei.Distribution[i] {
			return false
		}
	}
	return true
}

// BitrotAlgorithm specifies a algorithm used for bitrot protection.
type BitrotAlgorithm uint

const (
	// SHA256 represents the SHA-256 hash function
	SHA256 BitrotAlgorithm = 1 + iota
	// HighwayHash256 represents the HighwayHash-256 hash function
	HighwayHash256

          return absl::OkStatus();
        case 64:
          *tf_dtype = TF_DataType::TF_UINT64;
          return absl::OkStatus();
        default:
          return tensorflow::errors::InvalidArgument("Unsupported UInt bits: ",
                                                     dtype.bits);
      }
      return absl::OkStatus();
    case DLDataTypeCode::kDLInt:
      switch (dtype.bits) {
        case 8:

	// we should panic if the repeat will generate an overflow.
	// See golang.org/issue/16237.
	if count < 0 {
		panic("bytes: negative Repeat count")
	}
	hi, lo := bits.Mul(uint(len(b)), uint(count))
	if hi > 0 || lo > uint(maxInt) {
		panic("bytes: Repeat output length overflow")
	}
	n := int(lo) // lo = len(b) * count

	if len(b) == 0 {
		return []byte{}
	}

		t.Align = 1

	case *dwarf.UintType:
		if dt.BitSize > 0 {
			fatalf("%s: unexpected: %d-bit uint type - %s", lineno(pos), dt.BitSize, dtype)
		}

		if t.Align = t.Size; t.Align >= c.ptrSize {
			t.Align = c.ptrSize
		}

		switch t.Size {
		default:
			fatalf("%s: unexpected: %d-byte uint type - %s", lineno(pos), t.Size, dtype)
		case 1:
			t.Go = c.uint8
		case 2:
			t.Go = c.uint16

		// Call back.
		fn(string(key), val)
	}
	return nil
}

const (
	xlHeaderVersion = 3
	xlMetaVersion   = 2
)

type xlHeaders struct {
	versions           int
	headerVer, metaVer uint
}

func decodeXLHeaders(buf []byte) (x xlHeaders, b []byte, err error) {
	x.headerVer, buf, err = msgp.ReadUintBytes(buf)
	if err != nil {
		return x, buf, err
	}

var ErrTooLarge = errors.New("bytes.Buffer: too large")
var errNegativeRead = errors.New("bytes.Buffer: reader returned negative count from Read")

const maxInt = int(^uint(0) >> 1)

// Bytes returns a slice of length b.Len() holding the unread portion of the buffer.
// The slice is valid for use only until the next buffer modification (that is,