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 a particular string.
6 #include <cstdint>
7 #include <cstdio>
8 #include <cstdlib>
9 #include <cstring>
10 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)11 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
12   const char *S = (const char*)Data;
13   volatile auto Strncmp = &(strncmp);   // Make sure strncmp is not inlined.
14   if (Size >= 6 && !Strncmp(S, "qwerty", 6)) {
15     fprintf(stderr, "BINGO\n");
16     exit(1);
17   }
18   return 0;
19 }
20