fmt/test/fuzzing/chrono-timepoint.cc

33 lines
828 B
C++
Raw Normal View History

// 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;
}