diff options
Diffstat (limited to 'thirdparty/fmt/test/fuzzing/chrono-duration.cc')
| -rw-r--r-- | thirdparty/fmt/test/fuzzing/chrono-duration.cc | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/thirdparty/fmt/test/fuzzing/chrono-duration.cc b/thirdparty/fmt/test/fuzzing/chrono-duration.cc deleted file mode 100644 index d66068d9c..000000000 --- a/thirdparty/fmt/test/fuzzing/chrono-duration.cc +++ /dev/null @@ -1,136 +0,0 @@ -// Copyright (c) 2019, Paul Dreik -// For the license information refer to format.h. - -#include <fmt/chrono.h> - -#include <cstdint> - -#include "fuzzer-common.h" - -template <typename Period, typename Rep> -void invoke_inner(fmt::string_view format_str, Rep rep) { - auto value = std::chrono::duration<Rep, Period>(rep); - try { -#if FMT_FUZZ_FORMAT_TO_STRING - std::string message = fmt::format(format_str, value); -#else - auto buf = fmt::memory_buffer(); - fmt::format_to(std::back_inserter(buf), format_str, value); -#endif - } catch (std::exception&) { - } -} - -// Rep is a duration's representation type. -template <typename Rep> -void invoke_outer(const uint8_t* data, size_t size, int period) { - // Always use a fixed location of the data. - static_assert(sizeof(Rep) <= fixed_size, "fixed size is too small"); - if (size <= fixed_size + 1) return; - - const Rep rep = assign_from_buf<Rep>(data); - data += fixed_size; - size -= fixed_size; - - // data is already allocated separately in libFuzzer so reading past the end - // will most likely be detected anyway. - const auto format_str = fmt::string_view(as_chars(data), size); - - // yocto, zepto, zetta and yotta are not handled. - switch (period) { - case 1: - invoke_inner<std::atto>(format_str, rep); - break; - case 2: - invoke_inner<std::femto>(format_str, rep); - break; - case 3: - invoke_inner<std::pico>(format_str, rep); - break; - case 4: - invoke_inner<std::nano>(format_str, rep); - break; - case 5: - invoke_inner<std::micro>(format_str, rep); - break; - case 6: - invoke_inner<std::milli>(format_str, rep); - break; - case 7: - invoke_inner<std::centi>(format_str, rep); - break; - case 8: - invoke_inner<std::deci>(format_str, rep); - break; - case 9: - invoke_inner<std::deca>(format_str, rep); - break; - case 10: - invoke_inner<std::kilo>(format_str, rep); - break; - case 11: - invoke_inner<std::mega>(format_str, rep); - break; - case 12: - invoke_inner<std::giga>(format_str, rep); - break; - case 13: - invoke_inner<std::tera>(format_str, rep); - break; - case 14: - invoke_inner<std::peta>(format_str, rep); - break; - case 15: - invoke_inner<std::exa>(format_str, rep); - break; - } -} - -extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { - if (size <= 4) return 0; - - const auto representation = data[0]; - const auto period = data[1]; - data += 2; - size -= 2; - - switch (representation) { - case 1: - invoke_outer<char>(data, size, period); - break; - case 2: - invoke_outer<signed char>(data, size, period); - break; - case 3: - invoke_outer<unsigned char>(data, size, period); - break; - case 4: - invoke_outer<short>(data, size, period); - break; - case 5: - invoke_outer<unsigned short>(data, size, period); - break; - case 6: - invoke_outer<int>(data, size, period); - break; - case 7: - invoke_outer<unsigned int>(data, size, period); - break; - case 8: - invoke_outer<long>(data, size, period); - break; - case 9: - invoke_outer<unsigned long>(data, size, period); - break; - case 10: - invoke_outer<float>(data, size, period); - break; - case 11: - invoke_outer<double>(data, size, period); - break; - case 12: - invoke_outer<long double>(data, size, period); - break; - } - return 0; -} |