| George Karpenkov | 10ab2ac | 2017-08-21 23:25:50 +0000 | [diff] [blame^] | 1 | // This file is distributed under the University of Illinois Open Source |
| 2 | // License. See LICENSE.TXT for details. |
| 3 | #include <stddef.h> |
| 4 | #include <stdint.h> |
| 5 | #include <stdio.h> |
| 6 | |
| 7 | // Test for libFuzzer's "equivalence" fuzzing, part B. |
| 8 | extern "C" void LLVMFuzzerAnnounceOutput(const uint8_t *Data, size_t Size); |
| 9 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
| 10 | // fprintf(stderr, "B %zd\n", Size); |
| 11 | uint8_t Result[50]; |
| 12 | if (Size > 50) Size = 50; |
| 13 | for (size_t i = 0; i < Size; i++) |
| 14 | Result[Size - i - 1] = Data[i]; |
| 15 | |
| 16 | // Be a bit different from EquivalenceATest |
| 17 | if (Size > 10 && Data[5] == 'B' && Data[6] == 'C' && Data[7] == 'D') { |
| 18 | static int c; |
| 19 | if (!c) |
| 20 | fprintf(stderr, "ZZZZZZZ\n"); |
| 21 | c = 1; |
| 22 | Result[2]++; |
| 23 | } |
| 24 | |
| 25 | LLVMFuzzerAnnounceOutput(Result, Size); |
| 26 | return 0; |
| 27 | } |