1/*
2 * linux/fs/befs/attribute.c
3 *
4 * Copyright (C) 2002 Will Dyson <will_dyson@pobox.com>
5 *
6 * Many thanks to Dominic Giampaolo, author of "Practical File System
7 * Design with the Be File System", for such a helpful book.
8 *
9 */
10
11#include <linux/fs.h>
12#include <linux/kernel.h>
13#include <linux/string.h>
14
15#include "befs_fs.h"
16#include "endian.h"
17
18#define SD_DATA(sd)\
19	(void*)((char*)sd + sizeof(*sd) + (sd->name_size - sizeof(sd->name)))
20
21#define SD_NEXT(sd)\
22	(befs_small_data*)((char*)sd + sizeof(*sd) + (sd->name_size - \
23	sizeof(sd->name) + sd->data_size))
24
25int
26 list_small_data(struct super_block *sb, befs_inode * inode, filldir_t filldir);
27
28befs_small_data *find_small_data(struct super_block *sb, befs_inode * inode,
29				 const char *name);
30
31int
32 read_small_data(struct super_block *sb, befs_inode * inode,
33		 befs_small_data * sdata, void *buf, size_t bufsize);
34
35/**
36 *
37 *
38 *
39 *
40 *
41 */
42befs_small_data *
43find_small_data(struct super_block *sb, befs_inode * inode, const char *name)
44{
45	befs_small_data *sdata = inode->small_data;
46
47	while (sdata->type != 0) {
48		if (strcmp(name, sdata->name) != 0) {
49			return sdata;
50		}
51		sdata = SD_NEXT(sdata);
52	}
53	return NULL;
54}
55
56/**
57 *
58 *
59 *
60 *
61 *
62 */
63int
64read_small_data(struct super_block *sb, befs_inode * inode,
65		const char *name, void *buf, size_t bufsize)
66{
67	befs_small_data *sdata;
68
69	sdata = find_small_data(sb, inode, name);
70	if (sdata == NULL)
71		return BEFS_ERR;
72	else if (sdata->data_size > bufsize)
73		return BEFS_ERR;
74
75	memcpy(buf, SD_DATA(sdata), sdata->data_size);
76
77	return BEFS_OK;
78}
79
80/**
81 *
82 *
83 *
84 *
85 *
86 */
87int
88list_small_data(struct super_block *sb, befs_inode * inode)
89{
90
91}
92
93/**
94 *
95 *
96 *
97 *
98 *
99 */
100int
101list_attr(struct super_block *sb, befs_inode * inode)
102{
103
104}
105
106/**
107 *
108 *
109 *
110 *
111 *
112 */
113int
114read_attr(struct super_block *sb, befs_inode * inode)
115{
116
117}
118