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// Copyright (c) Team CharLS.
// SPDX-License-Identifier: BSD-3-Clause
#include <charls/charls.h>
#ifdef _MSC_VER
#include <io.h>
#else
#include <unistd.h>
#define _write write
#define _read read
#define _open open
#endif
#include <fcntl.h>
#include <cstring>
#include <iostream>
#include <vector>
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wreserved-id-macro"
#endif
#ifndef __AFL_INIT
#define __AFL_INIT() // NOLINT(bugprone-reserved-identifier,cert-dcl37-c,cert-dcl51-cpp)
#endif
#ifndef __AFL_LOOP
#define __AFL_LOOP(a) true // NOLINT(bugprone-reserved-identifier,cert-dcl37-c,cert-dcl51-cpp)
#endif
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
namespace {
auto generate_once()
{
const std::vector<uint8_t> source(3);
return charls::jpegls_encoder::encode(source, {1, 1, 8, 3});
}
} // namespace
int main(const int argc, const char* const argv[]) // NOLINT(bugprone-exception-escape)
{
int fd{};
if (argc == 2)
{
if (argv[1][0] == '\0')
{
try
{
// Write some small-ish JPEG-LS file to stdout
auto encoded_data{generate_once()};
const int result{
static_cast<int>(_write(1, encoded_data.data(), static_cast<unsigned int>(encoded_data.size())))};
return result != -1 && result == static_cast<int>(encoded_data.size()) ? EXIT_SUCCESS : EXIT_FAILURE;
}
catch (const std::exception& error)
{
std::cerr << "Failed to create the once: " << error.what() << '\n';
}
return EXIT_FAILURE;
}
fd = _open(argv[1], O_RDONLY);
if (fd < 0)
{
std::cerr << "Failed to open: " << argv[1] << strerror(errno) << '\n';
return EXIT_FAILURE;
}
}
__AFL_INIT();
while (__AFL_LOOP(100))
{
std::vector<uint8_t> source(1024 * 1024);
const size_t input_length = _read(fd, source.data(), static_cast<unsigned int>(source.size()));
source.resize(input_length);
try
{
std::vector<uint8_t> destination;
charls::jpegls_decoder::decode(source, destination);
}
catch (const charls::jpegls_error&)
{
}
}
return EXIT_SUCCESS;
}
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