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fuzz.cpp
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61 lines (48 loc) · 1.24 KB
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/*
* simplecpp - A simple and high-fidelity C/C++ preprocessor library
* Copyright (C) 2016-2024 simplecpp team
*/
#include "simplecpp.h"
#include <cstdint>
#ifdef NO_FUZZ
#include <cstdlib>
#include <fstream>
#include <sstream>
#include <string>
#endif
/*
0 - store in corpus
-1 - omit from corpus
*/
static int doProcess(const uint8_t *data, size_t dataSize)
{
simplecpp::DUI dui;
dui.defines.emplace_back(std::string(reinterpret_cast<const char*>(data), dataSize));
simplecpp::preprocess(dui);
return 0;
}
#ifndef NO_FUZZ
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataSize);
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t dataSize)
{
return doProcess(data, dataSize);
}
#else
int main(int argc, char * argv[])
{
if (argc < 2 || argc > 3)
return EXIT_FAILURE;
std::ifstream f(argv[1]);
if (!f.is_open())
return EXIT_FAILURE;
std::ostringstream oss;
oss << f.rdbuf();
if (!f.good())
return EXIT_FAILURE;
const int cnt = (argc == 3) ? std::stoi(argv[2]) : 1;
const std::string code = oss.str();
for (int i = 0; i < cnt; ++i)
doProcess(reinterpret_cast<const uint8_t*>(code.data()), code.size());
return EXIT_SUCCESS;
}
#endif