24 lines · 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-exception4 5// Tests how the fuzzer rejects inputs if the target returns -1.6#include <cstddef>7#include <cstdint>8 9static volatile int Sink;10 11extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {12 if (Size != 3)13 return -1; // Reject anyting that's not 3 bytes long.14 // Reject 'rej'.15 if (Data[0] == 'r' && Data[1] == 'e' && Data[2] == 'j')16 return -1;17 // Accept 'acc'.18 if (Data[0] == 'a' && Data[1] == 'c' && Data[2] == 'c') {19 Sink = 1;20 return 0;21 }22 return 0;23}24