FreeNOS
LinnDirectory.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2009 Niek Linnenbank
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef __FILESYSTEM_LINN_DIRECTORY_H
19 #define __FILESYSTEM_LINN_DIRECTORY_H
20 #ifndef __HOST__
21 
22 #include <Directory.h>
23 #include <Types.h>
24 #include "LinnDirectoryEntry.h"
25 #include "LinnFileSystem.h"
26 #include "LinnInode.h"
27 #include "IOBuffer.h"
28 
44 class LinnDirectory : public Directory
45 {
46  public:
47 
59  const u32 inode,
60  LinnInode *inodeData);
61 
72  virtual FileSystem::Result read(IOBuffer & buffer,
73  Size & size,
74  const Size offset);
75 
90  virtual File * lookup(const char *name);
91 
92  private:
93 
103  const char *name);
104 
105  private:
106 
109 
112 };
113 
119 #endif /* __HOST__ */
120 #endif /* __FILESYSTEM_EXT2DIRECTORY_H */
Types.h
LinnDirectory::read
virtual FileSystem::Result read(IOBuffer &buffer, Size &size, const Size offset)
Read directory entries.
Definition: LinnDirectory.cpp:36
LinnFileSystem
Linnenbank FileSystem (LinnFS).
Definition: LinnFileSystem.h:73
Directory
Directory File functionality.
Definition: Directory.h:59
LinnDirectory::LinnDirectory
LinnDirectory(LinnFileSystem *fs, const u32 inode, LinnInode *inodeData)
Constructor function.
Definition: LinnDirectory.cpp:25
LinnDirectoryEntry
Struct of an directory entry in LinnFS.
Definition: LinnDirectoryEntry.h:44
LinnDirectory::lookup
virtual File * lookup(const char *name)
Retrieves a File pointer for the given entry name.
Definition: LinnDirectory.cpp:96
IOBuffer.h
File
Represents a file present on a FileSystem.
Definition: File.h:39
LinnDirectory::m_fs
LinnFileSystem * m_fs
Filesystem pointer.
Definition: LinnDirectory.h:108
LinnDirectory::m_inodeData
LinnInode * m_inodeData
Inode which describes the directory.
Definition: LinnDirectory.h:111
LinnInode.h
IOBuffer
Abstract Input/Output buffer.
Definition: IOBuffer.h:37
u32
unsigned int u32
Unsigned 32-bit number.
Definition: Types.h:53
LinnInode
Structure of an inode on the disk in the LinnFS filesystem.
Definition: LinnInode.h:92
Size
unsigned int Size
Any sane size indicator cannot go negative.
Definition: Types.h:128
LinnDirectory
Represents an directory on a LinnFS filesystem.
Definition: LinnDirectory.h:44
LinnDirectory::getLinnDirectoryEntry
bool getLinnDirectoryEntry(LinnDirectoryEntry *dent, const char *name)
Retrieve a directory entry.
Definition: LinnDirectory.cpp:129
FileSystem::Result
Result
Result code for filesystem Actions.
Definition: FileSystem.h:52
Directory.h
LinnDirectoryEntry.h
LinnFileSystem.h