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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_DISK_CACHE_OS_FILE_H_
#define NET_DISK_CACHE_OS_FILE_H_
#include <string>
#include "build/build_config.h"
namespace disk_cache {
#if defined(OS_WIN)
#include <windows.h>
typedef HANDLE OSFile;
#elif defined(OS_POSIX)
typedef int OSFile;
const OSFile INVALID_HANDLE_VALUE = -1;
#endif
enum OSFileFlags {
OS_FILE_OPEN = 1,
OS_FILE_CREATE = 2,
OS_FILE_OPEN_ALWAYS = 4, // May create a new file.
OS_FILE_CREATE_ALWAYS = 8, // May overwrite an old file.
OS_FILE_READ = 16,
OS_FILE_WRITE = 32,
OS_FILE_SHARE_READ = 64,
OS_FILE_SHARE_WRITE = 128
};
// Creates or open the given file. If OS_FILE_OPEN_ALWAYS is used, and |created|
// is provided, |created| will be set to true if the file was created or to
// false in case the file was just opened.
OSFile CreateOSFile(const std::wstring& name, int flags, bool* created);
} // namespace disk_cache
#endif // NET_DISK_CACHE_OS_FILE_H_
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