// Copyright 2018 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <iostream>
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#include <memory>
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#include <vector>
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#include "bsdiff/bspatch.h"
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#include "bsdiff/memory_file.h"
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#include "bsdiff/sink_file.h"
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namespace {
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void FuzzBspatch(const uint8_t* data, size_t size) {
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const size_t kBufferSize = 1024;
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std::vector<uint8_t> source_buffer(kBufferSize);
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std::unique_ptr<bsdiff::FileInterface> source(
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new bsdiff::MemoryFile(source_buffer.data(), source_buffer.size()));
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std::unique_ptr<bsdiff::FileInterface> target(new bsdiff::SinkFile(
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[](const uint8_t* data, size_t size) { return size; }));
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bsdiff::bspatch(source, target, data, size);
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}
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struct Environment {
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Environment() {
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// To turn off logging for bsdiff library.
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std::cerr.setstate(std::ios_base::failbit);
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}
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};
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} // namespace
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
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static Environment env;
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FuzzBspatch(data, size);
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return 0;
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}
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