1// This file is distributed under the University of Illinois Open Source
2// License. See LICENSE.TXT for details.
3
4// Test that we can find the minimal item in the corpus (3 bytes: "FUZ").
5#include <cstdint>
6#include <cstdlib>
7#include <cstddef>
8#include <cstring>
9#include <cstdio>
10
11static volatile int Sink;
12
13extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
14  int8_t Ids[256];
15  memset(Ids, -1, sizeof(Ids));
16  for (size_t i = 0; i < Size; i++)
17    if (Ids[Data[i]] == -1)
18      Ids[Data[i]] = i;
19  int F = Ids[(unsigned char)'F'];
20  int U = Ids[(unsigned char)'U'];
21  int Z = Ids[(unsigned char)'Z'];
22  if (F >= 0 && U > F && Z > U) {
23    Sink++;
24    //fprintf(stderr, "IDS: %d %d %d\n", F, U, Z);
25  }
26  return 0;
27}
28
29