chromium/components/zucchini/zucchini_apply.cc

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "components/zucchini/zucchini_apply.h"

#include <algorithm>
#include <map>
#include <memory>
#include <utility>

#include "base/logging.h"
#include "base/numerics/safe_conversions.h"
#include "base/ranges/algorithm.h"
#include "components/zucchini/disassembler.h"
#include "components/zucchini/element_detection.h"
#include "components/zucchini/equivalence_map.h"
#include "components/zucchini/image_index.h"

namespace zucchini {

bool ApplyEquivalenceAndExtraData(ConstBufferView old_image,
                                  const PatchElementReader& patch_reader,
                                  MutableBufferView new_image) { … }

bool ApplyRawDelta(const PatchElementReader& patch_reader,
                   MutableBufferView new_image) { … }

bool ApplyReferencesCorrection(ExecutableType exe_type,
                               ConstBufferView old_image,
                               const PatchElementReader& patch,
                               MutableBufferView new_image) { … }

bool ApplyElement(ExecutableType exe_type,
                  ConstBufferView old_image,
                  const PatchElementReader& patch_reader,
                  MutableBufferView new_image) { … }

/******** Exported Functions ********/

status::Code ApplyBuffer(ConstBufferView old_image,
                         const EnsemblePatchReader& patch_reader,
                         MutableBufferView new_image) { … }

}  // namespace zucchini