}

			// Update size fields in the header block.
			realSize := hdr.Size
			hdr.Size = 0 // Encoded size; does not account for encoded sparse map
			for _, s := range spd {
				hdr.Size += s.Length
			}
			copy(blk.V7().Size(), zeroBlock[:]) // Reset field
			f.formatNumeric(blk.V7().Size(), hdr.Size)
			f.formatNumeric(blk.GNU().RealSize(), realSize)
		}
	*/
	blk.setFormat(FormatGNU)

			Uname:    "david",
			Gname:    "david",
			Devmajor: 0,
			Devminor: 0,
			PAXRecords: map[string]string{
				"GNU.sparse.major":    "1",
				"GNU.sparse.minor":    "0",
				"GNU.sparse.realsize": "200",
				"GNU.sparse.name":     "sparse-posix-1.0",
			},
			Format: FormatPAX,
		}, {
			Name:     "end",
			Mode:     420,
			Uid:      1000,
			Gid:      1000,
			Size:     4,

func (h *headerGNU) accessTime() []byte  { return h[345:][:12] }
func (h *headerGNU) changeTime() []byte  { return h[357:][:12] }
func (h *headerGNU) sparse() sparseArray { return sparseArray(h[386:][:24*4+1]) }
func (h *headerGNU) realSize() []byte    { return h[483:][:12] }

type headerSTAR [blockSize]byte

func (h *headerSTAR) v7() *headerV7      { return (*headerV7)(h) }
func (h *headerSTAR) magic() []byte      { return h[257:][:6] }

	// the same type flag but has a completely different layout.
	if blk.getFormat() != FormatGNU {
		return nil, ErrHeader
	}
	hdr.Format.mayOnlyBe(FormatGNU)

	var p parser
	hdr.Size = p.parseNumeric(blk.toGNU().realSize())
	if p.err != nil {
		return nil, p.err
	}
	s := blk.toGNU().sparse()
	spd := make(sparseDatas, 0, s.maxEntries())
	for {
		for i := 0; i < s.maxEntries(); i++ {

	paxGNUSparseName      = "GNU.sparse.name"
	paxGNUSparseMajor     = "GNU.sparse.major"
	paxGNUSparseMinor     = "GNU.sparse.minor"
	paxGNUSparseSize      = "GNU.sparse.size"
	paxGNUSparseRealSize  = "GNU.sparse.realsize"
)

// basicKeys is a set of the PAX keys for which we have built-in support.
// This does not contain "charset" or "comment", which are both PAX-specific,

Klaus Post <******@****.***> 1717218984 -0700

        return this.nextCommand;
    }

    /**
     * Sets the read size for this message.
     *
     * @param readSize
     *            the readSize to set
     */
    public void setReadSize(final int readSize) {
        this.readSize = readSize;
    }

    /**
     * Checks whether this message is an asynchronous message.
     *
     * @return the async
     */

            }

            try (SmbFileHandle h = ensureOpen()) {}
            this.readSize = th.getReceiveBufferSize() - 70;
            this.writeSize = th.getSendBufferSize() - 70;

            if (th.hasCapability(SmbConstants.CAP_LARGE_READX)) {
                this.largeReadX = true;
                this.readSize =

        if (file.type == SmbFile.TYPE_NAMED_PIPE) {
            response.responseTimeout = 0;
        }

        int r, n;
        do {
            r = len > readSize ? readSize : len;

            if (LogStream.level >= 4) {
                SmbFile.log.println("read: len=" + len + ",r=" + r + ",fp=" + fp);
            }

            try {

     */
    private void init(final SmbTreeHandleInternal th) throws CIFSException {
        if (this.smb2) {
            this.readSize = th.getReceiveBufferSize();
            this.readSizeFile = th.getReceiveBufferSize();
            return;
        }

        this.readSize = Math.min(th.getReceiveBufferSize() - 70, th.getMaximumBufferSize() - 70);

        if (th.hasCapability(SmbConstants.CAP_LARGE_READX)) {