compiler-rt/test/fuzzer/RepeatedMemcmp.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 #include <cstdint>
   6 #include <cstdio>
   7 #include <cstdlib>
   8 #include <cstring>
   9
  10 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  11   int Matches1 = 0;
  12   for (size_t i = 0; i + 2 < Size; i += 3)
  13     if (!memcmp(Data + i, "foo", 3))
  14       Matches1++;
  15   int Matches2 = 0;
  16   for (size_t i = 0; i + 2 < Size; i += 3)
  17     if (!memcmp(Data + i, "bar", 3))
  18       Matches2++;
  19
  20   if (Matches1 > 10 && Matches2 > 10) {
  21     fprintf(stderr, "BINGO!\n");
  22     exit(1);
  23   }
  24   return 0;
  25 }