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 <cstdint>
9 #include <cstdlib>
10 #include <cstddef>
11 #include <cstring>
12 #include <iostream>
13 
14 static volatile int Zero = 0;
15 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)16 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
17   const char *Expected = "ElvisPresley";
18   if (Size < strlen(Expected)) return 0;
19   size_t Match = 0;
20   for (size_t i = 0; Expected[i]; i++)
21     if (Expected[i] + Zero == Data[i])
22       Match++;
23   if (Match == strlen(Expected)) {
24     std::cout << "BINGO; Found the target, exiting\n";
25     exit(1);
26   }
27   return 0;
28 }
29 
30