| 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 | // Simple test for a fuzzer. The fuzzer must find the interesting switch value. |
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| 6 | #include <cstddef> |
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| 7 | #include <cstdint> |
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| 8 | #include <cstdio> |
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| 9 | #include <cstdlib> |
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| 10 | #include <cstring> |
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| 11 | |
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| 12 | int Switch(int a) { |
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| 13 | switch(a) { |
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| 14 | case 100001: return 1; |
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| 15 | case 100002: return 2; |
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| 16 | case 100003: return 4; |
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| 17 | } |
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| 18 | return 0; |
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| 19 | } |
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| 20 | |
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| 21 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
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| 22 | const int N = 3; |
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| 23 | if (Size < N * sizeof(int)) return 0; |
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| 24 | int Res = 0; |
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| 25 | for (int i = 0; i < N; i++) { |
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| 26 | int X; |
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| 27 | memcpy(dest: &X, src: Data + i * sizeof(int), n: sizeof(int)); |
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| 28 | Res += Switch(a: X); |
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| 29 | } |
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| 30 | if (Res == 5 || Res == 3 || Res == 6 || Res == 7) { |
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| 31 | fprintf(stderr, format: "BINGO; Found the target, exiting; Res=%d\n" , Res); |
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| 32 | exit(status: 1); |
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| 33 | } |
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| 34 | return 0; |
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| 35 | } |
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| 36 | |
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| 37 | |
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