if (off + stub_frag_len > stub.length) {
                    // shouldn't happen if alloc_hint is correct or greater
                    final byte[] tmp = new byte[off + stub_frag_len];
                    System.arraycopy(stub, 0, tmp, 0, off);
                    stub = tmp;
                }

                System.arraycopy(frag, 24, stub, off, stub_frag_len);

        doAnswer(inv -> {
            byte[] b = inv.getArgument(0);
            int off = inv.getArgument(1);
            b[off] = 0x01;
            b[off + 1] = 0x02;
            b[off + 2] = 0x03;
            b[off + 3] = 0x04;
            b[off + 4] = 0x05;
            b[off + 5] = 0x06;
            b[off + 6] = 0x07;
            b[off + 7] = 0x08;
            return 8;

                    len -= cnt;
                    off += cnt;
                } else {
                    if (log.isTraceEnabled()) {
                        log.trace(String.format("Wrote at %d remain %d off %d len %d", this.fp, len - w, off, w));
                    }
                    this.req.setParam(fh.getFid(), this.fp, len - w, b, off, w);
                    th.send(this.req, this.rsp);

	}
	buf := make([]byte, ss.Size())
	for off := int64(0); off < ss.Size(); off++ {
		for size := 1; size <= int(ss.Size()-off); size++ {
			readBuf := buf[:size]
			n, err := ss.ReadAt(readBuf, off)
			if off < ss.Size()-keep {
				if err != errDiscardedBytes {
					t.Errorf("off %d, size %d = %v, %v (%q); want errDiscardedBytes", off, size, n, err, readBuf[:n])
				}
				continue
			}

			Description: "quietly ignore undelivered messages when set to 'off', default is 'on'",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.AmqpDurable,
			Description: "persist queue across broker restarts when set to 'on', default is 'off'",
			Optional:    true,
			Type:        "on|off",
		},
		config.HelpKV{
			Key:         target.AmqpNoWait,

      bufs.add(buf);
      int off = 0;
      while (off < buf.length) {
        // always OK to fill buf; its size plus the rest of bufs is never more than MAX_ARRAY_LEN
        int r = in.read(buf, off, buf.length - off);
        if (r == -1) {
          return combineBuffers(bufs, totalLen);
        }
        off += r;
        totalLen += r;
      }
    }

        return getInput().readDirect(buf, off, len);

    }

    @Override
    public void send(final byte[] buf, final int off, final int length) throws IOException {
        getOutput().writeDirect(buf, off, length, 1);
    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.SmbPipeHandleInternal#getPipeType()
     */

          checkPositionIndexes(off, off + len, buf.length);

          int i = off;
          for (; i < off + len; i++) {
            int b = read();
            if (b == -1) {
              int read = i - off;
              return read == 0 ? -1 : read;
            }
            buf[i] = (byte) b;
          }
          return i - off;
        }

        @Override

    public void writeDirect(final byte[] b, int off, int len, final int flags) throws IOException {
        if (len <= 0) {
            return;
        }

        if (tmp == null) {
            throw new IOException("Bad file descriptor");
        }
        ensureOpen();

        if (LogStream.level >= 4) {
            SmbFile.log.println("write: fid=" + file.fid + ",off=" + off + ",len=" + len);
        }

    @CanIgnoreReturnValue
    @Override
    public Hasher putBytes(byte[] bytes, int off, int len) {
      checkPositionIndexes(off, off + len, bytes.length);
      int i;
      for (i = 0; i + 4 <= len; i += 4) {
        update(4, getIntLittleEndian(bytes, off + i));
      }
      for (; i < len; i++) {
        putByte(bytes[off + i]);
      }
      return this;
    }

    @CanIgnoreReturnValue