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 * $FreeBSD$ 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 <string.h> 37 38 int 39 extattr_namespace_to_string(int attrnamespace, char **string) 40 { 41 42 switch(attrnamespace) { 43 case EXTATTR_NAMESPACE_USER: 44 if (*string != NULL) 45 *string = strdup(EXTATTR_NAMESPACE_USER_STRING); 46 return (0); 47 48 case EXTATTR_NAMESPACE_SYSTEM: 49 if (*string != NULL) 50 *string = strdup(EXTATTR_NAMESPACE_SYSTEM_STRING); 51 return (0); 52 53 default: 54 errno = EINVAL; 55 return (-1); 56 } 57 } 58 59 int 60 extattr_string_to_namespace(const char *string, int *attrnamespace) 61 { 62 63 if (!strcmp(string, EXTATTR_NAMESPACE_USER_STRING)) { 64 if (attrnamespace != NULL) 65 *attrnamespace = EXTATTR_NAMESPACE_USER; 66 return (0); 67 } else if (!strcmp(string, EXTATTR_NAMESPACE_SYSTEM_STRING)) { 68 if (attrnamespace != NULL) 69 *attrnamespace = EXTATTR_NAMESPACE_SYSTEM; 70 return (0); 71 } else { 72 errno = EINVAL; 73 return (-1); 74 } 75 } 76