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 a particular string.
610ab2aceSGeorge Karpenkov #include <cstdint>
710ab2aceSGeorge Karpenkov #include <cstdio>
810ab2aceSGeorge Karpenkov #include <cstdlib>
910ab2aceSGeorge Karpenkov #include <cstring>
1010ab2aceSGeorge Karpenkov 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)1110ab2aceSGeorge Karpenkov extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
1210ab2aceSGeorge Karpenkov   const char *S = (const char*)Data;
1310ab2aceSGeorge Karpenkov   volatile auto Strncmp = &(strncmp);   // Make sure strncmp is not inlined.
1410ab2aceSGeorge Karpenkov   if (Size >= 6 && !Strncmp(S, "qwerty", 6)) {
1510ab2aceSGeorge Karpenkov     fprintf(stderr, "BINGO\n");
1610ab2aceSGeorge Karpenkov     exit(1);
1710ab2aceSGeorge Karpenkov   }
1810ab2aceSGeorge Karpenkov   return 0;
1910ab2aceSGeorge Karpenkov }
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