1*2946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2*2946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
3*2946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
410ab2aceSGeorge Karpenkov 
510ab2aceSGeorge Karpenkov // Simple test for a fuzzer. The fuzzer must find the string "Hi!".
610ab2aceSGeorge Karpenkov #include <assert.h>
710ab2aceSGeorge Karpenkov #include <cstddef>
810ab2aceSGeorge Karpenkov #include <cstdint>
910ab2aceSGeorge Karpenkov #include <cstdlib>
1010ab2aceSGeorge Karpenkov #include <iostream>
1110ab2aceSGeorge Karpenkov #include <ostream>
1210ab2aceSGeorge Karpenkov 
1310ab2aceSGeorge Karpenkov static volatile bool SeedLargeBuffer;
1410ab2aceSGeorge Karpenkov 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)1510ab2aceSGeorge Karpenkov extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
1610ab2aceSGeorge Karpenkov   assert(Data);
1710ab2aceSGeorge Karpenkov   if (Size >= 4)
1810ab2aceSGeorge Karpenkov     SeedLargeBuffer = true;
1910ab2aceSGeorge Karpenkov   if (Size == 3 && SeedLargeBuffer && Data[3]) {
2010ab2aceSGeorge Karpenkov     std::cout << "Woops, reading Data[3] w/o crashing\n" << std::flush;
2110ab2aceSGeorge Karpenkov     exit(1);
2210ab2aceSGeorge Karpenkov   }
2310ab2aceSGeorge Karpenkov   return 0;
2410ab2aceSGeorge Karpenkov }
2510ab2aceSGeorge Karpenkov 
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