1// This file is distributed under the University of Illinois Open Source
2// License. See LICENSE.TXT for details.
3
4// Simple test for a fuzzer. The fuzzer must find several narrow ranges.
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  int64_t  y = 0;
14  int z = 0;
15  unsigned short a = 0;
16  memcpy(&x, Data, 8);
17  memcpy(&y, Data + Size - 8, 8);
18  memcpy(&z, Data + Size / 2, sizeof(z));
19  memcpy(&a, Data + Size / 2 + 4, sizeof(a));
20
21  if (x > 1234567890 &&
22      x < 1234567895 &&
23      y >= 987654321 &&
24      y <= 987654325 &&
25      z < -10000 &&
26      z >= -10005 &&
27      z != -10003 &&
28      a == 4242) {
29    fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n",
30            Size, x, y, z, a);
31    exit(1);
32  }
33  return 0;
34}
35