The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/sys/xattr.h

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    1 /*      $NetBSD: xattr.h,v 1.3 2008/04/28 20:24:11 martin 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/syslimits.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          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 *, void *, size_t, int);
   63 int     lsetxattr(const char *, const char *, void *, size_t, int);
   64 int     fsetxattr(int, const char *, 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_ */

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