michael@0: // Copyright (c) 2010 The Chromium Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: 
michael@0: #ifndef BASE_DIR_READER_POSIX_H_
michael@0: #define BASE_DIR_READER_POSIX_H_
michael@0: #pragma once
michael@0: 
michael@0: #include "build/build_config.h"
michael@0: 
michael@0: // This header provides a class, DirReaderPosix, which allows one to open and
michael@0: // read from directories without allocating memory. For the interface, see
michael@0: // the generic fallback in dir_reader_fallback.h.
michael@0: 
michael@0: // Mac note: OS X has getdirentries, but it only works if we restrict Chrome to
michael@0: // 32-bit inodes. There is a getdirentries64 syscall in 10.6, but it's not
michael@0: // wrapped and the direct syscall interface is unstable. Using an unstable API
michael@0: // seems worse than falling back to enumerating all file descriptors so we will
michael@0: // probably never implement this on the Mac.
michael@0: 
michael@0: #if defined(OS_LINUX)
michael@0: #include "base/dir_reader_linux.h"
michael@0: #elif defined(OS_BSD) && !defined(__GLIBC__)
michael@0: #include "base/dir_reader_bsd.h"
michael@0: #else
michael@0: #include "base/dir_reader_fallback.h"
michael@0: #endif
michael@0: 
michael@0: namespace base {
michael@0: 
michael@0: #if defined(OS_LINUX)
michael@0: typedef DirReaderLinux DirReaderPosix;
michael@0: #elif defined(OS_BSD) && !defined(__GLIBC__)
michael@0: typedef DirReaderBSD DirReaderPosix;
michael@0: #else
michael@0: typedef DirReaderFallback DirReaderPosix;
michael@0: #endif
michael@0: 
michael@0: }  // namespace base
michael@0: 
michael@0: #endif // BASE_DIR_READER_POSIX_H_