binder_parcel_fuzzer: remove expensive logging

#error "Must define FUZZ_LOG_TAG"

#endif

#define ENABLE_LOG_FUZZ 1

#define FUZZ_LOG() FuzzLog(FUZZ_LOG_TAG, ENABLE_LOG_FUZZ).log()

// for local debugging

#define ENABLE_LOG_FUZZ 0

#define FUZZ_LOG() FuzzLog(FUZZ_LOG_TAG).log()

#if ENABLE_LOG_FUZZ == 1

class FuzzLog {

public:

    FuzzLog(const std::string& tag, bool log) : mTag(tag), mLog(log) {}

    ~FuzzLog() {

        if (mLog) {

            std::cout << mTag << ": " << mOs.str() << std::endl;

        }

    }

    FuzzLog(const char* tag) : mTag(tag) {}

    ~FuzzLog() { std::cout << mTag << ": " << mOs.str() << std::endl; }

    std::stringstream& log() {

        return mOs;

    }

    std::stringstream& log() { return mOs; }

private:

    std::string mTag;

    bool mLog;

    const char* mTag = nullptr;

    std::stringstream mOs;

};

#else

class FuzzLog {

public:

    FuzzLog(const char* /*tag*/) {}

    template <typename T>

    FuzzLog& operator<<(const T& /*t*/) {

        return *this;

    }

    FuzzLog& log() { return *this; }

};

#endif

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

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