1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
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/types.h>
33 #include <sys/extattr.h>
34
35 #include <errno.h>
36 #include <libutil.h>
37 #include <string.h>
38
39 int
extattr_namespace_to_string(int attrnamespace,char ** string)40 extattr_namespace_to_string(int attrnamespace, char **string)
41 {
42
43 switch(attrnamespace) {
44 case EXTATTR_NAMESPACE_USER:
45 if (string != NULL)
46 *string = strdup(EXTATTR_NAMESPACE_USER_STRING);
47 return (0);
48
49 case EXTATTR_NAMESPACE_SYSTEM:
50 if (string != NULL)
51 *string = strdup(EXTATTR_NAMESPACE_SYSTEM_STRING);
52 return (0);
53
54 default:
55 errno = EINVAL;
56 return (-1);
57 }
58 }
59
60 int
extattr_string_to_namespace(const char * string,int * attrnamespace)61 extattr_string_to_namespace(const char *string, int *attrnamespace)
62 {
63
64 if (!strcmp(string, EXTATTR_NAMESPACE_USER_STRING)) {
65 if (attrnamespace != NULL)
66 *attrnamespace = EXTATTR_NAMESPACE_USER;
67 return (0);
68 } else if (!strcmp(string, EXTATTR_NAMESPACE_SYSTEM_STRING)) {
69 if (attrnamespace != NULL)
70 *attrnamespace = EXTATTR_NAMESPACE_SYSTEM;
71 return (0);
72 } else {
73 errno = EINVAL;
74 return (-1);
75 }
76 }
77