1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2001 Robert N. M. Watson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28 /*
29 * TrustedBSD: Utility functions for extended attributes.
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34
35 #include <sys/types.h>
36 #include <sys/extattr.h>
37
38 #include <errno.h>
39 #include <libutil.h>
40 #include <string.h>
41
42 int
extattr_namespace_to_string(int attrnamespace,char ** string)43 extattr_namespace_to_string(int attrnamespace, char **string)
44 {
45
46 switch(attrnamespace) {
47 case EXTATTR_NAMESPACE_USER:
48 if (string != NULL)
49 *string = strdup(EXTATTR_NAMESPACE_USER_STRING);
50 return (0);
51
52 case EXTATTR_NAMESPACE_SYSTEM:
53 if (string != NULL)
54 *string = strdup(EXTATTR_NAMESPACE_SYSTEM_STRING);
55 return (0);
56
57 default:
58 errno = EINVAL;
59 return (-1);
60 }
61 }
62
63 int
extattr_string_to_namespace(const char * string,int * attrnamespace)64 extattr_string_to_namespace(const char *string, int *attrnamespace)
65 {
66
67 if (!strcmp(string, EXTATTR_NAMESPACE_USER_STRING)) {
68 if (attrnamespace != NULL)
69 *attrnamespace = EXTATTR_NAMESPACE_USER;
70 return (0);
71 } else if (!strcmp(string, EXTATTR_NAMESPACE_SYSTEM_STRING)) {
72 if (attrnamespace != NULL)
73 *attrnamespace = EXTATTR_NAMESPACE_SYSTEM;
74 return (0);
75 } else {
76 errno = EINVAL;
77 return (-1);
78 }
79 }
80