MacroRat
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DirHandle Class Reference
[Drivers]
Represents a directory stream. More...
#include <DirHandle.h>
Inherited by BaseDirHandle, and LocalDirHandle.
Public Member Functions | |
| virtual int | closedir ()=0 |
| Closes the directory. | |
| virtual struct dirent * | readdir ()=0 |
| Return the directory entry at the current position, and advances the position to the next entry. | |
| virtual void | rewinddir ()=0 |
| Resets the position to the beginning of the directory. | |
| virtual off_t | telldir () |
| Returns the current position of the DirHandle. | |
| virtual void | seekdir (off_t location) |
| Sets the position of the DirHandle. | |
Protected Member Functions | |
| virtual void | lock () |
| Acquire exclusive access to this object. | |
| virtual void | unlock () |
| Release exclusive access to this object. | |
Friends | |
| class | FileSystemLike |
| Internal-only constructor to work around deprecated notices when not used | |
Detailed Description
Represents a directory stream.
Objects of this type are returned by a FileSystemLike's opendir method. Implementations must define at least closedir, readdir and rewinddir.
If a FileSystemLike class defines the opendir method, then the directories of an object of that type can be accessed by DIR *d = opendir("/example/directory") (or opendir("/example") to open the root of the filesystem), and then using readdir(d) etc.
The root directory is considered to contain all FileLike and FileSystemLike objects, so the DIR* returned by opendir("/") will reflect this.
Synchronization level: Set by subclass
Definition at line 43 of file DirHandle.h.
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