2 * Copyright (c) 2015 Grzegorz Kostka (kostka.grzegorz@gmail.com)
3 * Copyright (c) 2015 Kaho Ng (ngkaho1234@gmail.com)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 /** @addtogroup lwext4
34 * @brief Extended Attribute manipulation.
44 #include <ext4_config.h>
45 #include <ext4_types.h>
46 #include <ext4_inode.h>
48 struct ext4_xattr_info {
56 struct ext4_xattr_list_entry {
60 struct ext4_xattr_list_entry *next;
63 struct ext4_xattr_search {
64 /* The first entry in the buffer */
65 struct ext4_xattr_entry *first;
67 /* The address of the buffer */
70 /* The first inaccessible address */
73 /* The current entry pointer */
74 struct ext4_xattr_entry *here;
80 const char *ext4_extract_xattr_name(const char *full_name, size_t full_name_len,
81 uint8_t *name_index, size_t *name_len,
84 const char *ext4_get_xattr_name_prefix(uint8_t name_index,
85 size_t *ret_prefix_len);
87 int ext4_xattr_list(struct ext4_inode_ref *inode_ref,
88 struct ext4_xattr_list_entry *list, size_t *list_len);
90 int ext4_xattr_get(struct ext4_inode_ref *inode_ref, uint8_t name_index,
91 const char *name, size_t name_len, void *buf, size_t buf_len,
94 int ext4_xattr_remove(struct ext4_inode_ref *inode_ref, uint8_t name_index,
95 const char *name, size_t name_len);
97 int ext4_xattr_set(struct ext4_inode_ref *inode_ref, uint8_t name_index,
98 const char *name, size_t name_len, const void *value,