if (r.getByteCount() > 0 && pad > 0 && pad < 4) {
                    readn(this.in, buffer, 4 + off, pad);
                }

                if (r.getDataLength() > 0) {
                    readn(this.in, r.getData(), r.getOffset(), r.getDataLength()); /* read direct */
                }
            } else {
                readn(this.in, buffer, 4 + SMB1_HEADER_LENGTH, size - SMB1_HEADER_LENGTH);