handle size_t > java max int size

size_t Parcel::dataAvail() const

{

    // TODO: decide what to do about the possibility that this can

    // report an available-data size that exceeds a Java int's max

    // positive value, causing havoc.  Fortunately this will only

    // happen if someone constructs a Parcel containing more than two

    // gigabytes of data, which on typical phone hardware is simply

    // not possible.

    return dataSize() - dataPosition();

    size_t result = dataSize() - dataPosition();

    if (result > INT32_MAX) {

        abort();

    }

    return result;

}

size_t Parcel::dataPosition() const