Subversion Repositories or1k

/*

 * linux/fs/befs/attribute.c

 *

 * Copyright (C) 2002 Will Dyson <will_dyson@pobox.com>

 *

 * Many thanks to Dominic Giampaolo, author of "Practical File System

 * Design with the Be File System", for such a helpful book.

 *

 */

#include <linux/fs.h>

#include <linux/kernel.h>

#include <linux/string.h>

#include "befs.h"

#include "endian.h"

#define SD_DATA(sd)\

        (void*)((char*)sd + sizeof(*sd) + (sd->name_size - sizeof(sd->name)))

#define SD_NEXT(sd)\

        (befs_small_data*)((char*)sd + sizeof(*sd) + (sd->name_size - \

        sizeof(sd->name) + sd->data_size))

int

 list_small_data(struct super_block *sb, befs_inode * inode, filldir_t filldir);

befs_small_data *find_small_data(struct super_block *sb, befs_inode * inode,

                                 const char *name);

int

 read_small_data(struct super_block *sb, befs_inode * inode,

                 befs_small_data * sdata, void *buf, size_t bufsize);

/**

 *

 *

 *

 *

 *

 */

befs_small_data *

find_small_data(struct super_block *sb, befs_inode * inode, const char *name)

{

        befs_small_data *sdata = inode->small_data;

        while (sdata->type != 0) {

                if (strcmp(name, sdata->name) != 0) {

                        return sdata;

                }

                sdata = SD_NEXT(sdata);

        }

        return NULL;

}

/**

 *

 *

 *

 *

 *

 */

int

read_small_data(struct super_block *sb, befs_inode * inode,

                const char *name, void *buf, size_t bufsize)

{

        befs_small_data *sdata;

        sdata = find_small_data(sb, inode, name);

        if (sdata == NULL)

                return BEFS_ERR;

        else if (sdata->data_size > bufsize)

                return BEFS_ERR;

        memcpy(buf, SD_DATA(sdata), sdata->data_size);

        return BEFS_OK;

}

/**

 *

 *

 *

 *

 *

 */

int

list_small_data(struct super_block *sb, befs_inode * inode)

{

}

/**

 *

 *

 *

 *

 *

 */

int

list_attr(struct super_block *sb, befs_inode * inode)

{

}

/**

 *

 *

 *

 *

 *

 */

int

read_attr(struct super_block *sb, befs_inode * inode)

{

}