compiler-rt/test/fuzzer/DivTest.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: find the interesting argument for div.
   6 #include <assert.h>
   7 #include <cstddef>
   8 #include <cstdint>
   9 #include <cstring>
  10 #include <iostream>
  11
  12 static volatile int Sink;
  13
  14 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  15   if (Size < 4) return 0;
  16   int a;
  17   memcpy(&a, Data, 4);
  18   Sink = 12345678 / (987654 - a);
  19   return 0;
  20 }
  21