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 <cstdlib>
8 #include <cstddef>
9 #include <iostream>
10 
11 static volatile bool SeedLargeBuffer;
12 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
14   assert(Data);
15   if (Size >= 4)
16     SeedLargeBuffer = true;
17   if (Size == 3 && SeedLargeBuffer && Data[3]) {
18     std::cout << "Woops, reading Data[3] w/o crashing\n";
19     exit(1);
20   }
21   return 0;
22 }
23 
24