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1/* Copyright (C) 2002-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#ifndef _SYS_XATTR_H
19#define _SYS_XATTR_H 1
20
21#include <features.h>
22#include <sys/types.h>
23
24
25__BEGIN_DECLS
26
27/* The following constants should be used for the fifth parameter of
28 `*setxattr'. */
29#ifndef __USE_KERNEL_XATTR_DEFS
30enum
31{
32 XATTR_CREATE = 1, /* set value, fail if attr already exists. */
33#define XATTR_CREATE XATTR_CREATE
34 XATTR_REPLACE = 2 /* set value, fail if attr does not exist. */
35#define XATTR_REPLACE XATTR_REPLACE
36};
37#endif
38
39/* Set the attribute NAME of the file pointed to by PATH to VALUE (which
40 is SIZE bytes long). Return 0 on success, -1 for errors. */
41extern int setxattr (const char *__path, const char *__name,
42 const void *__value, size_t __size, int __flags)
43 __THROW;
44
45/* Set the attribute NAME of the file pointed to by PATH to VALUE (which is
46 SIZE bytes long), not following symlinks for the last pathname component.
47 Return 0 on success, -1 for errors. */
48extern int lsetxattr (const char *__path, const char *__name,
49 const void *__value, size_t __size, int __flags)
50 __THROW;
51
52/* Set the attribute NAME of the file descriptor FD to VALUE (which is SIZE
53 bytes long). Return 0 on success, -1 for errors. */
54extern int fsetxattr (int __fd, const char *__name, const void *__value,
55 size_t __size, int __flags) __THROW;
56
57/* Get the attribute NAME of the file pointed to by PATH to VALUE (which is
58 SIZE bytes long). Return 0 on success, -1 for errors. */
59extern ssize_t getxattr (const char *__path, const char *__name,
60 void *__value, size_t __size) __THROW;
61
62/* Get the attribute NAME of the file pointed to by PATH to VALUE (which is
63 SIZE bytes long), not following symlinks for the last pathname component.
64 Return 0 on success, -1 for errors. */
65extern ssize_t lgetxattr (const char *__path, const char *__name,
66 void *__value, size_t __size) __THROW;
67
68/* Get the attribute NAME of the file descriptor FD to VALUE (which is SIZE
69 bytes long). Return 0 on success, -1 for errors. */
70extern ssize_t fgetxattr (int __fd, const char *__name, void *__value,
71 size_t __size) __THROW;
72
73/* List attributes of the file pointed to by PATH into the user-supplied
74 buffer LIST (which is SIZE bytes big). Return 0 on success, -1 for
75 errors. */
76extern ssize_t listxattr (const char *__path, char *__list, size_t __size)
77 __THROW;
78
79/* List attributes of the file pointed to by PATH into the user-supplied
80 buffer LIST (which is SIZE bytes big), not following symlinks for the
81 last pathname component. Return 0 on success, -1 for errors. */
82extern ssize_t llistxattr (const char *__path, char *__list, size_t __size)
83 __THROW;
84
85/* List attributes of the file descriptor FD into the user-supplied buffer
86 LIST (which is SIZE bytes big). Return 0 on success, -1 for errors. */
87extern ssize_t flistxattr (int __fd, char *__list, size_t __size)
88 __THROW;
89
90/* Remove the attribute NAME from the file pointed to by PATH. Return 0
91 on success, -1 for errors. */
92extern int removexattr (const char *__path, const char *__name) __THROW;
93
94/* Remove the attribute NAME from the file pointed to by PATH, not
95 following symlinks for the last pathname component. Return 0 on
96 success, -1 for errors. */
97extern int lremovexattr (const char *__path, const char *__name) __THROW;
98
99/* Remove the attribute NAME from the file descriptor FD. Return 0 on
100 success, -1 for errors. */
101extern int fremovexattr (int __fd, const char *__name) __THROW;
102
103__END_DECLS
104
105#endif /* sys/xattr.h */
106

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