source: svn/newcon3bcm2_21bu/BSEAV/lib/bfile/bfile_util.h @ 46

/***************************************************************************
 *     Copyright (c) 2007-2010, Broadcom Corporation
 *     All Rights Reserved
 *     Confidential Property of Broadcom Corporation
 *
 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
 *
 * $brcm_Workfile: bfile_util.h $
 * $brcm_Revision: 1 $
 * $brcm_Date: 6/21/10 1:33p $
 *
 * Module Description:
 *
 * Block based cached file I/O
 * 
 * Revision History:
 *
 * $brcm_Log: /BSEAV/lib/bfile/bfile_util.h $
 * 
 * 1   6/21/10 1:33p vsilyaev
 * SW3548-2975: File utilities
 * 
 * 
 *******************************************************************************/
#ifndef _BFILE_UTIL_H__
#define _BFILE_UTIL_H__

#include "bfile_io.h"

#ifdef __cplusplus
extern "C"
{
#endif

/*
Summary:
    This function allows to shift read point in the file
Description:
    This function would create new bfile_io_read_t which is identical to the
    original except that all data access is shifted by 'offset' bytes
*/
bfile_io_read_t bfile_read_offset_attach(bfile_io_read_t source, off_t offset);

/*
Summary:
    This function releases resources allocated in the bfile_offset_attach 
*/ 
void bfile_read_offset_detach(bfile_io_read_t file);

#ifdef __cplusplus
}
#endif


#endif /* _BFILE_UTIL_H__ */