| 1 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 2 | // See https://llvm.org/LICENSE.txt for license information. |
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| 3 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 4 | |
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| 5 | // Tests how the fuzzer rejects inputs if the target returns -1. |
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| 6 | #include <cstddef> |
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| 7 | #include <cstdint> |
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| 8 | |
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| 9 | static volatile int Sink; |
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| 10 | |
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| 11 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
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| 12 | if (Size != 3) |
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| 13 | return -1; // Reject anyting that's not 3 bytes long. |
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| 14 | // Reject 'rej'. |
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| 15 | if (Data[0] == 'r' && Data[1] == 'e' && Data[2] == 'j') |
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| 16 | return -1; |
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| 17 | // Accept 'acc'. |
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| 18 | if (Data[0] == 'a' && Data[1] == 'c' && Data[2] == 'c') { |
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| 19 | Sink = 1; |
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| 20 | return 0; |
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| 21 | } |
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| 22 | return 0; |
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| 23 | } |
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| 24 | |
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