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37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_FILES_DIR_READER_POSIX_H_
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#define BASE_FILES_DIR_READER_POSIX_H_
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#include "build/build_config.h"
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// This header provides a class, DirReaderPosix, which allows one to open and
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// read from directories without allocating memory. For the interface, see
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// the generic fallback in dir_reader_fallback.h.
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// Mac note: OS X has getdirentries, but it only works if we restrict Chrome to
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// 32-bit inodes. There is a getdirentries64 syscall in 10.6, but it's not
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// wrapped and the direct syscall interface is unstable. Using an unstable API
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// seems worse than falling back to enumerating all file descriptors so we will
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// probably never implement this on the Mac.
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#if defined(OS_LINUX) || defined(OS_ANDROID)
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#include "base/files/dir_reader_linux.h"
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#else
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#include "base/files/dir_reader_fallback.h"
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#endif
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namespace base {
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#if defined(OS_LINUX) || defined(OS_ANDROID)
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typedef DirReaderLinux DirReaderPosix;
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#else
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typedef DirReaderFallback DirReaderPosix;
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#endif
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} // namespace base
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#endif // BASE_FILES_DIR_READER_POSIX_H_
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