int size = Encdec.dec_uint16be(this.sbuf, 2) & 0xFFFF | (this.sbuf[1] & 0xFF) << 16;
        if (size < Smb2Constants.SMB2_HEADER_LENGTH + 1) {
            throw new IOException("Invalid payload size: " + size);
        }

        if (this.sbuf[0] != (byte) 0x00 || this.sbuf[4] != (byte) 0xFE || this.sbuf[5] != (byte) 'S' || this.sbuf[6] != (byte) 'M'
                || this.sbuf[7] != (byte) 'B') {

     */
    public String getPathPrefix() {
        final StringBuilder buf = new StringBuilder(100);
        buf.append("smb1://");
        if (server != null) {
            buf.append(server);
            if (port > 0) {
                buf.append(':');
                buf.append(port);
            }
            buf.append('/');
        }
        return buf.toString();
    }

    /**

                return resp.getResponseLength();
            }
            final SmbPipeOutputStream out = getOutput();
            final SmbPipeInputStream in = getInput();
            out.write(buf, off, length);
            return in.read(inB);
        }
    }

    @Override

	// to Reset. Avoid infinite recursion in that case.
	if b == r {
		return
	}
	if b.buf == nil {
		b.buf = make([]byte, defaultBufSize)
	}
	b.reset(b.buf, r)
}

func (b *Reader) reset(buf []byte, r io.Reader) {
	*b = Reader{
		buf:          buf,
		rd:           r,
		lastByte:     -1,
		lastRuneSize: -1,
	}
}

     * Returns a buffer to the cache for reuse.
     *
     * Performance: O(1) operation with size limit check
     *
     * @param buf the buffer to return to the cache
     */
    static public void releaseBuffer(final byte[] buf) {
        // Validate buffer before returning to cache
        if (buf == null || buf.length != SmbComTransaction.TRANSACTION_BUF_SIZE) {
            return; // Silently ignore invalid buffers
        }

        final StringBuilder buf = new StringBuilder();
        updateConfigListenerMap.entrySet().stream().forEach(e -> {
            buf.append(e.getKey()).append(": ");
            try {
                buf.append(e.getValue().get());
            } catch (final Exception ex) {
                logger.warn("Failed to process {} task.", e.getKey(), ex);
                buf.append(ex.getMessage());
            }

            private final ByteArrayOutputStream buf = new ByteArrayOutputStream(MAX_LEN);

            @Override
            public void write(final int b) throws IOException {
                if (b == '\n' || b == '\r' || buf.size() >= MAX_LEN) {
                    try {
                        final String msg = buf.toString(Constants.UTF_8);
                        if (StringUtil.isNotBlank(msg)) {

                BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(dest))) {
            final byte[] buf = new byte[1024];
            int length;
            while (-1 < (length = in.read(buf))) {
                out.write(buf, 0, length);
                out.flush();
            }
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }

    long ltime = 0L;

    @Override
    public void run() {
        try {
            final SmbFile f = new SmbFile(url);
            final SmbFile d = new SmbFile(f.getParent());
            final byte[] buf = new byte[1024];

            for (int ii = 0; ii < numIter; ii++) {

                synchronized (this) {
                    ltime = System.currentTimeMillis();
                    wait();
                }

        }

        try {
            mimeMap = new MimeMap();
            is = getClass().getClassLoader().getResourceAsStream("jcifs/smb1/http/ne.css");
            while ((n = is.read(buf)) != -1) {
                sb.append(new String(buf, 0, n, "ISO8859_1"));
            }
            style = sb.toString();
        } catch (final IOException ioe) {
            throw new ServletException(ioe.getMessage());
        }