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RocksDB for Erlang

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rocksdb deps rocksdb table block_based reader_common.h
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deps/rocksdb/table/block_based/reader_common.h 

//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).

//

// Copyright (c) 2011 The LevelDB Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file. See the AUTHORS file for names of contributors.

#pragma once



#include "rocksdb/table.h"



namespace ROCKSDB_NAMESPACE {

// Release the cached entry and decrement its ref count.

extern void ForceReleaseCachedEntry(void* arg, void* h);



inline MemoryAllocator* GetMemoryAllocator(

    const BlockBasedTableOptions& table_options) {

  return table_options.block_cache.get()

             ? table_options.block_cache->memory_allocator()

             : nullptr;

}



inline MemoryAllocator* GetMemoryAllocatorForCompressedBlock(

    const BlockBasedTableOptions& table_options) {

  return table_options.block_cache_compressed.get()

             ? table_options.block_cache_compressed->memory_allocator()

             : nullptr;

}



// Assumes block has a trailer as in format.h. file_name and offset provided

// for generating a diagnostic message in returned status.

extern Status VerifyBlockChecksum(ChecksumType type, const char* data,

                                  size_t block_size,

                                  const std::string& file_name,

                                  uint64_t offset);

}  // namespace ROCKSDB_NAMESPACE