FreeNOS
TmpFileSystem.cpp
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 #include <Assert.h>
19 #include <File.h>
20 #include <PseudoFile.h>
21 #include <Directory.h>
22 #include "TmpFileSystem.h"
23 
25  : FileSystemServer(new Directory(1), path)
26 {
27 }
28 
30 {
31  // Create the appropriate file type
32  switch (type)
33  {
35  PseudoFile *file = new PseudoFile(getNextInode());
36  assert(file != NULL);
37  return file;
38  }
39 
41  Directory *dir = new Directory(getNextInode());
42  assert(dir != NULL);
43  return dir;
44  }
45 
46  default:
47  return ZERO;
48  }
49 }
FileSystemServer::getNextInode
u32 getNextInode()
Get next unused inode.
Definition: FileSystemServer.cpp:66
FileSystem::FileType
FileType
All possible filetypes.
Definition: FileSystem.h:70
Directory
Directory File functionality.
Definition: Directory.h:59
TmpFileSystem::TmpFileSystem
TmpFileSystem(const char *path)
Class constructor function.
Definition: TmpFileSystem.cpp:24
Assert.h
PseudoFile.h
FileSystemServer
Abstract filesystem class.
Definition: FileSystemServer.h:44
File
Represents a file present on a FileSystem.
Definition: File.h:39
NULL
#define NULL
NULL means zero.
Definition: Macros.h:39
TmpFileSystem.h
PseudoFile
Pseudo files only exist in memory.
Definition: PseudoFile.h:36
FileSystem::RegularFile
@ RegularFile
Definition: FileSystem.h:72
FileSystem::DirectoryFile
@ DirectoryFile
Definition: FileSystem.h:73
assert
#define assert(exp)
Insert program diagnostics.
Definition: assert.h:60
Directory.h
type
u8 type
Definition: IntelACPI.h:63
TmpFileSystem::createFile
virtual File * createFile(const FileSystem::FileType type)
Creates a new TmpFile.
Definition: TmpFileSystem.cpp:29
ZERO
#define ZERO
Zero value.
Definition: Macros.h:43
File.h