rocksdb/file/read_write_util.h

34 lines
1.2 KiB
C++

// 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 <atomic>
#include "rocksdb/env.h"
#include "rocksdb/file_system.h"
namespace rocksdb {
// Returns a WritableFile.
//
// env : the Env.
// fname : the file name.
// result : output arg. A WritableFile based on `fname` returned.
// options : the Env Options.
extern IOStatus NewWritableFile(FileSystem* fs, const std::string& fname,
std::unique_ptr<FSWritableFile>* result,
const FileOptions& options);
// Read a single line from a file.
bool ReadOneLine(std::istringstream* iss, FSSequentialFile* seq_file,
std::string* output, bool* has_data, Status* result);
#ifndef NDEBUG
bool IsFileSectorAligned(const size_t off, size_t sector_size);
#endif // NDEBUG
} // namespace rocksdb