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.
5 // The fuzzer must find a string based on dictionary words:
6 //   "Elvis"
7 //   "Presley"
8 #include <cstddef>
9 #include <cstdint>
10 #include <cstdlib>
11 #include <cstring>
12 #include <iostream>
13 #include <ostream>
14 
15 static volatile int Zero = 0;
16 
17 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
18   const char *Expected = "ElvisPresley";
19   if (Size < strlen(Expected)) return 0;
20   size_t Match = 0;
21   for (size_t i = 0; Expected[i]; i++)
22     if (Expected[i] + Zero == Data[i])
23       Match++;
24   if (Match == strlen(Expected)) {
25     std::cout << "BINGO; Found the target, exiting\n" << std::flush;
26     exit(1);
27   }
28   return 0;
29 }
30 
31