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/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once

#include <iostream>
#include <sstream>
#include <string>
#include <vector>

#ifndef FUZZ_LOG_TAG
#error "Must define FUZZ_LOG_TAG"
#endif

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

#ifdef ENABLE_LOG_FUZZ
class FuzzLog {
public:
    FuzzLog(const char* tag) : mTag(tag) {}
    ~FuzzLog() { std::cout << mTag << ": " << mOs.str() << std::endl; }

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

private:
    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);