sapling/eden/fs/fuse/DirList.h
Adam Simpkins a6ae3edab9 move eden/utils and eden/fuse into eden/fs
Summary:
This change makes it so that all of the C++ code related to the edenfs daemon
is now contained in the eden/fs subdirectory.

Reviewed By: bolinfest, wez

Differential Revision: D4889053

fbshipit-source-id: d0bd4774cc0bdb5d1d6b6f47d716ecae52391f37
2017-04-14 11:39:02 -07:00

52 lines
1.2 KiB
C++

/*
* Copyright (c) 2016-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
#pragma once
#include <folly/Range.h>
#include <sys/stat.h>
#include "eden/fs/utils/DirType.h"
namespace facebook {
namespace eden {
namespace fusell {
/**
* Helper for populating directory listings.
*/
class DirList {
std::unique_ptr<char[]> buf_;
char* end_;
char* cur_;
public:
explicit DirList(size_t maxSize);
DirList(const DirList&) = delete;
DirList& operator=(const DirList&) = delete;
DirList(DirList&&) = default;
DirList& operator=(DirList&&) = default;
/**
* Add a new dirent to the list.
* Returns true on success or false if the list is full.
*/
bool add(folly::StringPiece name, ino_t inode, dtype_t type, off_t off);
/**
* Variant of add() which takes a struct stat.
* Only st.st_ino and st.st_mode need be filled out.
*/
bool add(folly::StringPiece name, const struct stat& st, off_t off);
folly::StringPiece getBuf() const;
};
}
}
}