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 <cstdint>
7 #include <cstdio>
8 #include <cstdlib>
9 
10 static volatile int Sink;
11 
12 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
13   assert(Data);
14   if (Size > 0 && Data[0] == 'H') {
15     Sink = 1;
16     if (Size > 1 && Data[1] == 'i') {
17       Sink = 2;
18       if (Size > 2 && Data[2] == '!') {
19         fprintf(stderr, "BINGO; Found the target, exiting\n");
20         exit(0);
21       }
22     }
23   }
24   return 0;
25 }
26 
27