throws CIFSException {
        byte[] decompressed = decompress(compressedData, offset, length, algorithm);
        if (outputBuffer.length - outputOffset < decompressed.length) {
            throw new CIFSException("Output buffer too small");
        }
        System.arraycopy(decompressed, 0, outputBuffer, outputOffset, decompressed.length);

        SMBUtil.writeInt4(inputOffsetField, buf, pos);
        pos += 4;
        // inputCount
        SMBUtil.writeInt4(inputCount, buf, pos);
        pos += 4;
        // outputOffset (relative to header start)
        SMBUtil.writeInt4(outputOffsetField, buf, pos);
        pos += 4;
        // outputCount
        SMBUtil.writeInt4(outputCount, buf, pos);
        pos += 4;
        // ioctlFlags