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 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 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