BVFSFile Class Reference

#include <storage/VFSFile.h>

Inheritance diagram for BVFSFile:

BnStorage BnInterface< IStorage > IStorage BBinder IInterface IBinder SAtom SAtom List of all members.

Public Types

enum  flags { DELETE_IF_EMPTY = 1 }

Public Member Functions

 BVFSFile (const SUrl &url, int flags, int mode=0, status_t *outResult=0)
 BVFSFile (const char *path, int flags, int mode=0, status_t *outResult=0)
 BVFSFile ()
status_t Delete ()
status_t InitCheck () const
bool IsReadable () const
bool IsWritable () const
virtual ssize_t ReadAtV (off_t position, const struct iovec *vector, ssize_t count)
 Read the bytes described by iovec from location position in the storage.
virtual status_t SetSize (off_t size)
 Set the total number of bytes in the store.
status_t SetTo (const SUrl &url, int flags, int mode=0)
status_t SetTo (const char *path, int flags, int mode=0)
virtual off_t Size () const
 Return the total number of bytes in the store.
virtual status_t Sync ()
 Make sure all data in the storage is written to its physical device.
uint16_t VolRefNum () const
virtual ssize_t WriteAtV (off_t position, const struct iovec *vector, ssize_t count)
 Write the bytes described by iovec at location position in the storage.

Protected Member Functions

virtual ~BVFSFile ()

Member Enumeration Documentation

enum flags
 

Enumerator:
DELETE_IF_EMPTY 

Constructor & Destructor Documentation

BVFSFile (   ) 
 

BVFSFile (  const char *  path,
int  flags,
int  mode = 0,
status_t *  outResult = 0
) 
 

BVFSFile (  const SUrl &  url,
int  flags,
int  mode = 0,
status_t *  outResult = 0
) 
 

~BVFSFile (   )  [protected, virtual]
 

Member Function Documentation

status_t Delete (   ) 
 

status_t InitCheck (   )  const
 

bool IsReadable (   )  const
 

bool IsWritable (   )  const
 

ssize_t ReadAtV (  off_t  position,
const struct iovec *  vector,
ssize_t  count
)  [virtual]
 

Read the bytes described by iovec from location position in the storage.

Returns the number of bytes actually read, or a negative error code.

Implements IStorage.

status_t SetSize (  off_t  size  )  [virtual]
 

Set the total number of bytes in the store.

Implements IStorage.

status_t SetTo (  const SUrl &  url,
int  flags,
int  mode = 0
) 
 

status_t SetTo (  const char *  path,
int  flags,
int  mode = 0
) 
 

off_t Size (   )  const [virtual]
 

Return the total number of bytes in the store.

Implements IStorage.

status_t Sync (   )  [virtual]
 

Make sure all data in the storage is written to its physical device.

Returns B_OK if the data is safely stored away, else an error code.

Implements IStorage.

uint16_t VolRefNum (   )  const
 

ssize_t WriteAtV (  off_t  position,
const struct iovec *  vector,
ssize_t  count
)  [virtual]
 

Write the bytes described by iovec at location position in the storage.

Returns the number of bytes actually written, or a negative error code.

Implements IStorage.

The documentation for this class was generated from the following files:
Generated on Wed Dec 28 22:33:31 2005 by Doxygen 1.4.4 for OpenBinder Documentation Version 1.0

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