33 lines
896 B
C++
33 lines
896 B
C++
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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// Source code for a simple DSO.
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include <cstring>
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extern int DSO1(int a);
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extern int DSO2(int a);
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extern int DSOTestExtra(int a);
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static volatile int *nil = 0;
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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int x, y, z;
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if (Size < sizeof(int) * 3) {
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x = y = z = 0;
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} else {
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memcpy(&x, Data + 0 * sizeof(int), sizeof(int));
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memcpy(&y, Data + 1 * sizeof(int), sizeof(int));
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memcpy(&z, Data + 2 * sizeof(int), sizeof(int));
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}
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int sum = DSO1(x) + DSO2(y) + (z ? DSOTestExtra(z) : 0);
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if (sum == 3) {
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fprintf(stderr, "BINGO %d %d %d\n", x, y, z);
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*nil = 0;
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}
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return 0;
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}
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