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