1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2 // See https://llvm.org/LICENSE.txt for license information.
3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4 
5 // Simple test for a fuzzer. The fuzzer must find the string "FUZZER".
6 #include <cstddef>
7 #include <cstdint>
8 #include <cstdlib>
9 #include <iostream>
10 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)11 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
12   int bits = 0;
13   if (Size > 0 && Data[0] == 'F') bits |= 1;
14   if (Size > 1 && Data[1] == 'U') bits |= 2;
15   if (Size > 2 && Data[2] == 'Z') bits |= 4;
16   if (Size > 3 && Data[3] == 'Z') bits |= 8;
17   if (Size > 4 && Data[4] == 'E') bits |= 16;
18   if (Size > 5 && Data[5] == 'R') bits |= 32;
19   if (bits == 63) {
20     std::cerr <<  "BINGO!\n";
21     exit(1);
22   }
23   return 0;
24 }
25 
26