blame: source/misc/embedded_libs/fmt-8.1.1/test/fuzzing/chrono-timepoint.cc

// Copyright (c) 2021, Paul Dreik

// For license information refer to format.h.

#include <fmt/chrono.h>

#include "fuzzer-common.h"

/*

 * a fuzzer for the chrono timepoints formatters

 * C is a clock (std::chrono::system_clock etc)

 */

template <typename C> void doit(const uint8_t* data, size_t size) {

  using Rep = typename C::time_point::rep;

  constexpr auto N = sizeof(Rep);

  if (size < N) return;

  const auto x = assign_from_buf<Rep>(data);

  typename C::duration dur{x};

  typename C::time_point timepoint{dur};

  data += N;

  size -= N;

  data_to_string format_str(data, size);

  std::string message = fmt::format(format_str.get(), timepoint);

}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  try {

    doit<std::chrono::system_clock>(data, size);

  } catch (...) {

  }

  return 0;

}