git / moonbite-core / src/test/fuzz/fuzz.cpp · raw

// Copyright (c) 2009-2020 The Bitcoin Core developers// Distributed under the MIT software license, see the accompanying// file COPYING or http://www.opensource.org/licenses/mit-license.php.#include <test/fuzz/fuzz.h>#include <test/util/setup_common.h>#include <cstdint>#include <unistd.h>#include <vector>const std::function<void(const std::string&)> G_TEST_LOG_FUN{};#if defined(PROVIDE_MAIN_FUNCTION)static bool read_stdin(std::vector<uint8_t>& data){    uint8_t buffer[1024];    ssize_t length = 0;    while ((length = read(STDIN_FILENO, buffer, 1024)) > 0) {        data.insert(data.end(), buffer, buffer + length);    }    return length == 0;}#endif// Default initialization: Override using a non-weak initialize().__attribute__((weak)) void initialize(){}// This function is used by libFuzzerextern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size){    const std::vector<uint8_t> input(data, data + size);    test_one_input(input);    return 0;}// This function is used by libFuzzerextern "C" int LLVMFuzzerInitialize(int* argc, char*** argv){    initialize();    return 0;}#if defined(PROVIDE_MAIN_FUNCTION)__attribute__((weak)) int main(int argc, char** argv){    initialize();#ifdef __AFL_INIT    // Enable AFL deferred forkserver mode. Requires compilation using    // afl-clang-fast++. See fuzzing.md for details.    __AFL_INIT();#endif#ifdef __AFL_LOOP    // Enable AFL persistent mode. Requires compilation using afl-clang-fast++.    // See fuzzing.md for details.    while (__AFL_LOOP(1000)) {        std::vector<uint8_t> buffer;        if (!read_stdin(buffer)) {            continue;        }        test_one_input(buffer);    }#else    std::vector<uint8_t> buffer;    if (!read_stdin(buffer)) {        return 0;    }    test_one_input(buffer);#endif    return 0;}#endif