1/* $NetBSD: xattr.h,v 1.5 2011/09/27 01:40:32 christos Exp $ */
2
3/*-
4 * Copyright (c) 2005 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Support for file system extended attributes.
34 *
35 * This provides an interface that is compatible with Linux's extended
36 * attribute support. These calls operate on the same extended attributes
37 * as <sys/extattr.h>, but access only the "user" namespace.
38 */
39
40#ifndef _SYS_XATTR_H_
41#define _SYS_XATTR_H_
42
43#include <sys/types.h>
44#include <sys/param.h>
45
46/*
47 * This is compatible with EXTATTR_MAXNAMELEN, and also happens to be
48 * the same as Linux (255).
49 */
50#define XATTR_NAME_MAX KERNEL_NAME_MAX
51
52#define XATTR_SIZE_MAX 65536 /* NetBSD does not enforce this */
53
54#define XATTR_CREATE 0x01 /* create, don't replace xattr */
55#define XATTR_REPLACE 0x02 /* replace, don't create xattr */
56
57#ifndef _KERNEL
58
59#include <sys/cdefs.h>
60
61__BEGIN_DECLS
62int setxattr(const char *, const char *, const void *, size_t, int);
63int lsetxattr(const char *, const char *, const void *, size_t, int);
64int fsetxattr(int, const char *, const void *, size_t, int);
65
66ssize_t getxattr(const char *, const char *, void *, size_t);
67ssize_t lgetxattr(const char *, const char *, void *, size_t);
68ssize_t fgetxattr(int, const char *, void *, size_t);
69
70ssize_t listxattr(const char *, char *, size_t);
71ssize_t llistxattr(const char *, char *, size_t);
72ssize_t flistxattr(int, char *, size_t);
73
74int removexattr(const char *, const char *);
75int lremovexattr(const char *, const char *);
76int fremovexattr(int, const char *);
77__END_DECLS
78
79#endif /* ! _KERNEL */
80
81#endif /* _SYS_XATTR_H_ */
82