1 /* $NetBSD: xattr.h,v 1.5 2011/09/27 01:40:32 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Support for file system extended attributes. 34 * 35 * This provides an interface that is compatible with Linux's extended 36 * attribute support. These calls operate on the same extended attributes 37 * as <sys/extattr.h>, but access only the "user" namespace. 38 */ 39 40 #ifndef _SYS_XATTR_H_ 41 #define _SYS_XATTR_H_ 42 43 #include <sys/types.h> 44 #include <sys/param.h> 45 46 /* 47 * This is compatible with EXTATTR_MAXNAMELEN, and also happens to be 48 * the same as Linux (255). 49 */ 50 #define XATTR_NAME_MAX KERNEL_NAME_MAX 51 52 #define XATTR_SIZE_MAX 65536 /* NetBSD does not enforce this */ 53 54 #define XATTR_CREATE 0x01 /* create, don't replace xattr */ 55 #define XATTR_REPLACE 0x02 /* replace, don't create xattr */ 56 57 #ifndef _KERNEL 58 59 #include <sys/cdefs.h> 60 61 __BEGIN_DECLS 62 int setxattr(const char *, const char *, const void *, size_t, int); 63 int lsetxattr(const char *, const char *, const void *, size_t, int); 64 int fsetxattr(int, const char *, const void *, size_t, int); 65 66 ssize_t getxattr(const char *, const char *, void *, size_t); 67 ssize_t lgetxattr(const char *, const char *, void *, size_t); 68 ssize_t fgetxattr(int, const char *, void *, size_t); 69 70 ssize_t listxattr(const char *, char *, size_t); 71 ssize_t llistxattr(const char *, char *, size_t); 72 ssize_t flistxattr(int, char *, size_t); 73 74 int removexattr(const char *, const char *); 75 int lremovexattr(const char *, const char *); 76 int fremovexattr(int, const char *); 77 __END_DECLS 78 79 #endif /* ! _KERNEL */ 80 81 #endif /* _SYS_XATTR_H_ */ 82