1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
/*
* Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
* Copyright (c) 2015 Kaho Ng (ngkaho1234@gmail.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup lwext4
* @{
*/
/**
* @file ext4_xattr.h
* @brief Extended Attribute manipulation.
*/
#ifndef EXT4_XATTR_H_
#define EXT4_XATTR_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "ext4_config.h"
#include "ext4_types.h"
#include "ext4_inode.h"
struct ext4_xattr_info {
uint8_t name_index;
const char *name;
size_t name_len;
const void *value;
size_t value_len;
};
struct ext4_xattr_list_entry {
uint8_t name_index;
char *name;
size_t name_len;
struct ext4_xattr_list_entry *next;
};
struct ext4_xattr_search {
/* The first entry in the buffer */
struct ext4_xattr_entry *first;
/* The address of the buffer */
void *base;
/* The first inaccessible address */
void *end;
/* The current entry pointer */
struct ext4_xattr_entry *here;
/* Entry not found */
bool not_found;
};
const char *ext4_extract_xattr_name(const char *full_name, size_t full_name_len,
uint8_t *name_index, size_t *name_len,
bool *found);
const char *ext4_get_xattr_name_prefix(uint8_t name_index,
size_t *ret_prefix_len);
int ext4_xattr_list(struct ext4_inode_ref *inode_ref,
struct ext4_xattr_list_entry *list, size_t *list_len);
int ext4_xattr_get(struct ext4_inode_ref *inode_ref, uint8_t name_index,
const char *name, size_t name_len, void *buf, size_t buf_len,
size_t *data_len);
int ext4_xattr_remove(struct ext4_inode_ref *inode_ref, uint8_t name_index,
const char *name, size_t name_len);
int ext4_xattr_set(struct ext4_inode_ref *inode_ref, uint8_t name_index,
const char *name, size_t name_len, const void *value,
size_t value_len);
#ifdef __cplusplus
}
#endif
#endif
/**
* @}
*/
|
