1/*-
2 * Copyright (c) 2001 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26/*
27 * TrustedBSD: Utility functions for extended attributes.
28 */
29
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/types.h>
34#include <sys/extattr.h>
35
36#include <errno.h>
37#include <libutil.h>
38#include <string.h>
39
40int
41extattr_namespace_to_string(int attrnamespace, char **string)
42{
43
44	switch(attrnamespace) {
45	case EXTATTR_NAMESPACE_USER:
46		if (string != NULL)
47			*string = strdup(EXTATTR_NAMESPACE_USER_STRING);
48		return (0);
49
50	case EXTATTR_NAMESPACE_SYSTEM:
51		if (string != NULL)
52			*string = strdup(EXTATTR_NAMESPACE_SYSTEM_STRING);
53		return (0);
54
55	default:
56		errno = EINVAL;
57		return (-1);
58	}
59}
60
61int
62extattr_string_to_namespace(const char *string, int *attrnamespace)
63{
64
65	if (!strcmp(string, EXTATTR_NAMESPACE_USER_STRING)) {
66		if (attrnamespace != NULL)
67			*attrnamespace = EXTATTR_NAMESPACE_USER;
68		return (0);
69	} else if (!strcmp(string, EXTATTR_NAMESPACE_SYSTEM_STRING)) {
70		if (attrnamespace != NULL)
71			*attrnamespace = EXTATTR_NAMESPACE_SYSTEM;
72		return (0);
73	} else {
74		errno = EINVAL;
75		return (-1);
76	}
77}
78