fat_fat_operations.h

来自「AMLOGIC DPF source code」· C头文件 代码 · 共 84 行

/*******************************************************************
 * 
 *  Copyright C 2005 by Amlogic, Inc. All Rights Reserved.
 *
 *  Description: 
 *
 *  Author: Amlogic Software
 *  Created: Fri Nov 11 00:22:43 2005
 *
 *******************************************************************/
/*
 *  fat_fat_operations.h
 *
 *  Constants/data structures/prototypes for operations on Files Allocation 
 *  Table
 *
 *  Copyright (C) 2001 OKTET Ltd., St.-Petersburg, Russia
 *  Author: Eugeny S. Mints <[e-mail]>
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.avfs.com/license/LICENSE.
 *
 *  @(#) fat_fat_operations.h,v 1.1.2.1 2003/09/04 18:47:02 joel Exp
 */
#ifndef __DOSFS_FAT_FAT_OPERATIONS_H__
#define __DOSFS_FAT_FAT_OPERATIONS_H__

#ifdef __cplusplus
extern "C" {
#endif

//#include <avfs.h>
//#include <avfs/libio_.h>

//#include <avfs/bdbuf.h>
#include "fat.h"
#include "fat_file.h"

int
fat_get_fat_cluster(avfs_filesystem_mount_table_entry_t *mt_entry,
                    unsigned32                            cln,
                    unsigned32                           *ret_val);

int
fat_set_fat_cluster(avfs_filesystem_mount_table_entry_t *mt_entry,
                    unsigned32                            cln,
                    unsigned32                            in_val);

int
fat_scan_fat_for_free_clusters(
    avfs_filesystem_mount_table_entry_t *mt_entry,
    fat_file_fd_t                        *fat_fd,
    unsigned32                           *chain,
    unsigned32                            count,
    unsigned32                           *cls_added,
    unsigned32                           *last_cl 
);

int
fat_free_fat_clusters_chain(
    avfs_filesystem_mount_table_entry_t *mt_entry,
    unsigned32                            chain
);

int 
fat_scan_fat_for_free_clusters_check(
    avfs_filesystem_mount_table_entry_t *mt_entry,
    unsigned32                            count,
    unsigned32                           *cls_added
);

int 
fat_free_fat_clusters_chain_check(
    avfs_filesystem_mount_table_entry_t *mt_entry,
    unsigned32                            chain
);

#ifdef __cplusplus
}
#endif

#endif /* __DOSFS_FAT_FAT_OPERATIONS_H__ */