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 the string "Hi!".
5 #include <assert.h>
6 #include <cstddef>
7 #include <cstdint>
8 #include <cstdlib>
9 #include <iostream>
10 #include <ostream>
11 
12 static volatile int Sink;
13 
14 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
15   assert(Data);
16   if (Size > 0 && Data[0] == 'H') {
17     Sink = 1;
18     if (Size > 1 && Data[1] == 'i') {
19       Sink = 2;
20       if (Size > 2 && Data[2] == '!') {
21         std::cout << "BINGO; Found the target, exiting\n" << std::flush;
22         exit(0);
23       }
24     }
25   }
26   return 0;
27 }
28 
29