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llvm-mirror/lib/Fuzzer/test/ThreadedTest.cpp
Mike Aizatsky 347b1d5964 [libfuzzer] adding license headers to cpp files
Differential Revision: http://reviews.llvm.org/D18705

llvm-svn: 265174
2016-04-01 18:38:58 +00:00

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722 B
C++

// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Threaded test for a fuzzer. The fuzzer should not crash.
#include <assert.h>
#include <cstdint>
#include <cstddef>
#include <cstring>
#include <thread>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size < 8) return 0;
assert(Data);
auto C = [&] {
size_t Res = 0;
for (size_t i = 0; i < Size / 2; i++)
Res += memcmp(Data, Data + Size / 2, 4);
return Res;
};
std::thread T[] = {std::thread(C), std::thread(C), std::thread(C),
std::thread(C), std::thread(C), std::thread(C)};
for (auto &X : T)
X.join();
return 0;
}