36 lines
852 B
C++
36 lines
852 B
C++
// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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// Simple test for a fuzzer. The fuzzer must find the interesting switch value.
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#include <cstddef>
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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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int Switch(int a) {
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switch(a) {
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case 100001: return 1;
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case 100002: return 2;
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case 100003: return 4;
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}
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return 0;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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const int N = 3;
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if (Size < N * sizeof(int)) return 0;
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int Res = 0;
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for (int i = 0; i < N; i++) {
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int X;
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memcpy(&X, Data + i * sizeof(int), sizeof(int));
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Res += Switch(X);
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}
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if (Res == 5 || Res == 3 || Res == 6 || Res == 7) {
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fprintf(stderr, "BINGO; Found the target, exiting; Res=%d\n", Res);
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exit(1);
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}
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return 0;
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}
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