compiler-rt/test/fuzzer/Memcmp64BytesTest.cpp

   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 <cassert>
   7 #include <cstdint>
   8 #include <cstdio>
   9 #include <cstdlib>
  10 #include <cstring>
  11
  12 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  13   const char kString64Bytes[] =
  14       "123456789 123456789 123456789 123456789 123456789 123456789 1234";
  15   assert(sizeof(kString64Bytes) == 65);
  16   if (Size >= 64 && memcmp(Data, kString64Bytes, 64) == 0) {
  17     fprintf(stderr, "BINGO\n");
  18     exit(1);
  19   }
  20   return 0;
  21 }