mirror of
https://github.com/c64scene-ar/llvm-6502.git
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26e09e2da5
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243760 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
941 B
C++
36 lines
941 B
C++
// Simple test for a fuzzer. The fuzzer must find the interesting switch value.
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#include <cstdint>
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#include <cstdlib>
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#include <cstdio>
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#include <cstring>
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#include <cstddef>
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static volatile int Sink;
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template<class T>
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bool Switch(const uint8_t *Data, size_t Size) {
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T X;
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if (Size < sizeof(X)) return false;
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memcpy(&X, Data, sizeof(X));
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switch (X) {
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case 1: Sink = __LINE__; break;
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case 101: Sink = __LINE__; break;
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case 1001: Sink = __LINE__; break;
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case 10001: Sink = __LINE__; break;
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case 100001: Sink = __LINE__; break;
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case 1000001: Sink = __LINE__; break;
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case 10000001: Sink = __LINE__; break;
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case 100000001: return true;
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}
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return false;
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}
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extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
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if (Switch<int>(Data, Size) && Size >= 12 &&
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Switch<uint64_t>(Data + 4, Size - 4)) {
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fprintf(stderr, "BINGO; Found the target, exiting\n");
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exit(1);
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}
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}
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