| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++03, c++11 |
| |
| #include <algorithm> |
| #include <cassert> |
| #include <cstddef> |
| #include <cstdint> |
| #include <limits> |
| |
| #include "fuzz.h" |
| |
| extern "C" int LLVMFuzzerTestOneInput(const std::uint8_t *data, std::size_t size) { |
| if (size < 2) |
| return 0; |
| |
| const std::size_t pat_size = data[0] * (size - 1) / std::numeric_limits<uint8_t>::max(); |
| assert(pat_size <= size - 1); |
| const std::uint8_t *pat_begin = data + 1; |
| const std::uint8_t *pat_end = pat_begin + pat_size; |
| const std::uint8_t *data_end = data + size; |
| assert(pat_end <= data_end); |
| |
| auto it = std::search(pat_end, data_end, pat_begin, pat_end); |
| if (it != data_end) // not found |
| if (!std::equal(pat_begin, pat_end, it)) |
| return 1; |
| return 0; |
| } |