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// Copyright 2016 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 <stdint.h>
#include <functional>
#include "bsdiff/file_interface.h"
using sink_func = std::function<size_t(const uint8_t*, size_t)>;
namespace bsdiff {
class SinkFile : public FileInterface {
// Creates a SinkFile based on the underlying |sink| function passed.
// The SinkFile will call |sink| function upon write.
// Read, Seek and GetSize are not supported.
explicit SinkFile(const sink_func& sink);
~SinkFile() = default;
// FileInterface overrides.
bool Read(void* buf, size_t count, size_t* bytes_read) override;
bool Write(const void* buf, size_t count, size_t* bytes_written) override;
bool Seek(off_t pos) override;
bool Close() override;
bool GetSize(uint64_t* size) override;
// The sink() function used to write data.
const sink_func sink_;
} // namespace bsdiff
#endif // _BSDIFF_SINK_FILE_H_