Merge changes I0f4a50be,Ib613b7ab

    for (size_t i = 0; i < instructions.size() - 1; i += 2) {

        uint8_t a = instructions[i];

        uint8_t readIdx = a % reads.size();

        uint8_t b = instructions[i + 1];

        FUZZ_LOG() << "size: " << p.dataSize() << " avail: " << p.dataAvail()

                   << " pos: " << p.dataPosition() << " cap: " << p.dataCapacity();

        FUZZ_LOG() << "Instruction: " << (i / 2) + 1 << "/" << instructions.size() / 2

                   << " cmd: " << static_cast<size_t>(a) << " (" << static_cast<size_t>(readIdx)

                   << ") arg: " << static_cast<size_t>(b) << " size: " << p.dataSize()

                   << " avail: " << p.dataAvail() << " pos: " << p.dataPosition()

                   << " cap: " << p.dataCapacity();

        reads[a % reads.size()](p, b);

        reads[readIdx](p, b);

    }

}

std::string hexString(const void* bytes, size_t len) {

    if (bytes == nullptr) return "<null>";

    std::ostringstream s;

    s << std::hex << std::setfill('0');

    const uint8_t* bytes8 = static_cast<const uint8_t*>(bytes);

    char chars[] = "0123456789abcdef";

    std::string result;

    result.resize(len * 2);

    for (size_t i = 0; i < len; i++) {

        s << std::setw(2) << static_cast<int>(

            static_cast<const uint8_t*>(bytes)[i]);

        result[2 * i] = chars[bytes8[i] >> 4];

        result[2 * i + 1] = chars[bytes8[i] & 0xf];

    }

    return s.str();

    return result;

}

std::string hexString(const std::vector<uint8_t>& bytes) {

    return hexString(bytes.data(), bytes.size());