1 /*- 2 * Copyright (c) 1999-2001 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * This software was developed by Robert Watson for the TrustedBSD Project. 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 * $FreeBSD: src/sys/sys/extattr.h,v 1.19 2008/10/28 13:44:11 trasz Exp $ 29 */ 30 /* 31 * Developed by the TrustedBSD Project. 32 * Support for extended filesystem attributes. 33 */ 34 35 #ifndef _SYS_EXTATTR_H_ 36 #define _SYS_EXTATTR_H_ 37 38 /* 39 * Defined name spaces for extended attributes. Numeric constants are passed 40 * via system calls, but a user-friendly string is also defined. 41 */ 42 #define EXTATTR_NAMESPACE_EMPTY 0x00000000 43 #define EXTATTR_NAMESPACE_EMPTY_STRING "empty" 44 #define EXTATTR_NAMESPACE_USER 0x00000001 45 #define EXTATTR_NAMESPACE_USER_STRING "user" 46 #define EXTATTR_NAMESPACE_SYSTEM 0x00000002 47 #define EXTATTR_NAMESPACE_SYSTEM_STRING "system" 48 49 /* 50 * The following macro is designed to initialize an array that maps 51 * extended-attribute namespace values to their names, e.g.: 52 * 53 * char *extattr_namespace_names[] = EXTATTR_NAMESPACE_NAMES; 54 */ 55 #define EXTATTR_NAMESPACE_NAMES { \ 56 EXTATTR_NAMESPACE_EMPTY_STRING, \ 57 EXTATTR_NAMESPACE_USER_STRING, \ 58 EXTATTR_NAMESPACE_SYSTEM_STRING } 59 60 #ifdef _KERNEL 61 62 #define EXTATTR_MAXNAMELEN NAME_MAX 63 struct thread; 64 struct ucred; 65 struct vnode; 66 67 #else 68 #include <sys/cdefs.h> 69 70 struct iovec; 71 72 __BEGIN_DECLS 73 int extattrctl(const char *_path, int _cmd, const char *_filename, 74 int _attrnamespace, const char *_attrname); 75 int extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname); 76 int extattr_delete_file(const char *_path, int _attrnamespace, 77 const char *_attrname); 78 int extattr_delete_link(const char *_path, int _attrnamespace, 79 const char *_attrname); 80 ssize_t extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname, 81 void *_data, size_t _nbytes); 82 ssize_t extattr_get_file(const char *_path, int _attrnamespace, 83 const char *_attrname, void *_data, size_t _nbytes); 84 ssize_t extattr_get_link(const char *_path, int _attrnamespace, 85 const char *_attrname, void *_data, size_t _nbytes); 86 ssize_t extattr_list_fd(int _fd, int _attrnamespace, void *_data, 87 size_t _nbytes); 88 ssize_t extattr_list_file(const char *_path, int _attrnamespace, void *_data, 89 size_t _nbytes); 90 ssize_t extattr_list_link(const char *_path, int _attrnamespace, void *_data, 91 size_t _nbytes); 92 int extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname, 93 const void *_data, size_t _nbytes); 94 int extattr_set_file(const char *_path, int _attrnamespace, 95 const char *_attrname, const void *_data, size_t _nbytes); 96 int extattr_set_link(const char *_path, int _attrnamespace, 97 const char *_attrname, const void *_data, size_t _nbytes); 98 __END_DECLS 99 100 #endif /* !_KERNEL */ 101 #endif /* !_SYS_EXTATTR_H_ */ 102