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// 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.
#ifndef SQL_VFS_WRAPPER_H_
#define SQL_VFS_WRAPPER_H_
#include <string>
#include "build/build_config.h"
#include "third_party/sqlite/sqlite3.h"
namespace sql {
// A wrapper around the default VFS.
//
// On OSX, the wrapper propagates Time Machine exclusions from the main database
// file to associated files such as journals. <http://crbug.com/23619> and
// <http://crbug.com/25959> and others.
//
// On Fuchsia the wrapper adds in-process file locking (Fuchsia doesn't support
// file locking).
//
// TODO(shess): On Windows, wrap xFetch() with a structured exception handler.
sqlite3_vfs* VFSWrapper();
// Internal representation of sqlite3_file for VFSWrapper.
struct VfsFile {
const sqlite3_io_methods* methods;
sqlite3_file* wrapped_file;
#if BUILDFLAG(IS_FUCHSIA)
std::string file_name;
#endif
};
} // namespace sql
#endif // SQL_VFS_WRAPPER_H_
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