diff options
Diffstat (limited to 'third_party/immer/extra/fuzzer/fuzzer_input.hpp')
-rw-r--r-- | third_party/immer/extra/fuzzer/fuzzer_input.hpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/third_party/immer/extra/fuzzer/fuzzer_input.hpp b/third_party/immer/extra/fuzzer/fuzzer_input.hpp deleted file mode 100644 index 485b7dc72b44..000000000000 --- a/third_party/immer/extra/fuzzer/fuzzer_input.hpp +++ /dev/null @@ -1,62 +0,0 @@ -// -// immer: immutable data structures for C++ -// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente -// -// This software is distributed under the Boost Software License, Version 1.0. -// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt -// - -#pragma once - -#include <cstdint> -#include <stdexcept> - -struct no_more_input : std::exception -{}; - -struct fuzzer_input -{ - const std::uint8_t* data_; - std::size_t size_; - - const std::uint8_t* next(std::size_t size) - { - if (size_ < size) - throw no_more_input{}; - auto r = data_; - data_ += size; - size_ -= size; - return r; - } - - const std::uint8_t* next(std::size_t size, std::size_t align) - { - auto rem = size % align; - if (rem) - next(align - rem); - return next(size); - } - - template <typename Fn> - int run(Fn step) - { - try { - while (step(*this)) - continue; - } catch (const no_more_input&) {}; - return 0; - } -}; - -template <typename T> -const T& read(fuzzer_input& fz) -{ - return *reinterpret_cast<const T*>(fz.next(sizeof(T), alignof(T))); -} - -template <typename T, typename Cond> -T read(fuzzer_input& fz, Cond cond) -{ - auto x = read<T>(fz); - return cond(x) ? x : read<T>(fz, cond); -} |