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      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