| 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 | // Test that we can find the minimal item in the corpus (3 bytes: "FUZ"). |
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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 | static volatile int Sink; |
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| 13 | |
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| 14 | void Foo() { |
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| 15 | Sink++; |
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| 16 | } |
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| 17 | |
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| 18 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
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| 19 | int8_t Ids[256]; |
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| 20 | memset(s: Ids, c: -1, n: sizeof(Ids)); |
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| 21 | for (size_t i = 0; i < Size; i++) |
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| 22 | if (Ids[Data[i]] == -1) |
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| 23 | Ids[Data[i]] = i; |
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| 24 | int F = Ids[(unsigned char)'F']; |
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| 25 | int U = Ids[(unsigned char)'U']; |
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| 26 | int Z = Ids[(unsigned char)'Z']; |
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| 27 | if (F >= 0 && U > F && Z > U) { |
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| 28 | Foo(); |
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| 29 | } |
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| 30 | return 0; |
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| 31 | } |
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| 32 | |
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| 33 | |
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