1// This file is distributed under the University of Illinois Open Source
2// License. See LICENSE.TXT for details.
3
4// The fuzzer must find several constants with swapped bytes.
5#include <cstdint>
6#include <cstdlib>
7#include <cstring>
8#include <cstdio>
9
10extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
11  if (Size < 14) return 0;
12  uint64_t x = 0;
13  uint32_t y = 0;
14  uint16_t z = 0;
15  memcpy(&x, Data, sizeof(x));
16  memcpy(&y, Data + Size / 2, sizeof(y));
17  memcpy(&z, Data + Size - sizeof(z), sizeof(z));
18
19  x = __builtin_bswap64(x);
20  y = __builtin_bswap32(y);
21  z = __builtin_bswap16(z);
22
23  if (x == 0x46555A5A5A5A5546ULL &&
24      z == 0x4F4B &&
25      y == 0x66757A7A &&
26      true
27      ) {
28    if (Data[Size - 3] == 'z') {
29      fprintf(stderr, "BINGO; Found the target\n");
30      exit(1);
31    }
32  }
33  return 0;
34}
35