1// This file is distributed under the University of Illinois Open Source
2// License. See LICENSE.TXT for details.
3
4// Test strstr and strcasestr hooks.
5#include <string>
6#include <string.h>
7#include <cstdint>
8#include <cstdio>
9#include <cstdlib>
10
11// Windows does not have strcasestr and memmem, so we are not testing them.
12#ifdef _WIN32
13#define strcasestr strstr
14#define memmem(a, b, c, d) true
15#endif
16
17extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
18  if (Size < 4) return 0;
19  std::string s(reinterpret_cast<const char*>(Data), Size);
20  if (strstr(s.c_str(), "FUZZ") &&
21      strcasestr(s.c_str(), "aBcD") &&
22      memmem(s.data(), s.size(), "kuku", 4)
23      ) {
24    fprintf(stderr, "BINGO\n");
25    exit(1);
26  }
27  return 0;
28}
29