NetBSD/sys/sys/xattr.h
thorpej ccbebfaaf1 Add Linux-compatible {,fl}{get,set,list}xattr() system call interface
to the VFS extended attribute subsystem.
2005-07-10 22:04:20 +00:00

89 lines
3.4 KiB
C

/* $NetBSD: xattr.h,v 1.1 2005/07/10 22:04:50 thorpej Exp $ */
/*-
* Copyright (c) 2005 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Support for file system extended attributes.
*
* This provides an interface that is compatible with Linux's extended
* attribute support. These calls operate on the same extended attributes
* as <sys/extattr.h>, but access only the "user" namespace.
*/
#ifndef _SYS_XATTR_H_
#define _SYS_XATTR_H_
#include <sys/types.h>
#include <sys/syslimits.h>
/*
* This is compatible with EXTATTR_MAXNAMELEN, and also happens to be
* the same as Linux (255).
*/
#define XATTR_NAME_MAX NAME_MAX
#define XATTR_SIZE_MAX 65536 /* NetBSD does not enforce this */
#define XATTR_CREATE 0x01 /* create, don't replace xattr */
#define XATTR_REPLACE 0x02 /* replace, don't create xattr */
#ifndef _KERNEL
#include <sys/cdefs.h>
__BEGIN_DECLS
int setxattr(const char *, const char *, void *, size_t, int);
int lsetxattr(const char *, const char *, void *, size_t, int);
int fsetxattr(int, const char *, void *, size_t, int);
ssize_t getxattr(const char *, const char *, void *, size_t);
ssize_t lgetxattr(const char *, const char *, void *, size_t);
ssize_t fgetxattr(int, const char *, void *, size_t);
ssize_t listxattr(const char *, char *, size_t);
ssize_t llistxattr(const char *, char *, size_t);
ssize_t flistxattr(int, char *, size_t);
int removexattr(const char *, const char *);
int lremovexattr(const char *, const char *);
int fremovexattr(int, const char *);
__END_DECLS
#endif /* ! _KERNEL */
#endif /* _SYS_XATTR_H_ */