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/extattr.h

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    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 1.12 2003/06/04 04:04:24 rwatson 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 #define EXTATTR_NAMESPACE_USER          0x00000001
   39 #define EXTATTR_NAMESPACE_USER_STRING   "user"
   40 #define EXTATTR_NAMESPACE_SYSTEM        0x00000002
   41 #define EXTATTR_NAMESPACE_SYSTEM_STRING "system"
   42 
   43 #ifdef _KERNEL
   44 
   45 #define EXTATTR_MAXNAMELEN      NAME_MAX
   46 struct thread;
   47 struct ucred;
   48 struct vnode;
   49 int     extattr_check_cred(struct vnode *vp, int attrnamespace,
   50             struct ucred *cred, struct thread *td, int access);
   51 
   52 #else
   53 #include <sys/cdefs.h>
   54 
   55 struct iovec;
   56 
   57 __BEGIN_DECLS
   58 int     extattrctl(const char *_path, int _cmd, const char *_filename,
   59             int _attrnamespace, const char *_attrname);
   60 int     extattr_delete_fd(int _fd, int _attrnamespace, const char *_attrname);
   61 int     extattr_delete_file(const char *_path, int _attrnamespace,
   62             const char *_attrname);
   63 int     extattr_delete_link(const char *_path, int _attrnamespace,
   64             const char *_attrname);
   65 ssize_t extattr_get_fd(int _fd, int _attrnamespace, const char *_attrname,
   66             void *_data, size_t _nbytes);
   67 ssize_t extattr_get_file(const char *_path, int _attrnamespace,
   68             const char *_attrname, void *_data, size_t _nbytes);
   69 ssize_t extattr_get_link(const char *_path, int _attrnamespace,
   70             const char *_attrname, void *_data, size_t _nbytes);
   71 ssize_t extattr_list_fd(int _fd, int _attrnamespace, void *_data,
   72             size_t _nbytes);
   73 ssize_t extattr_list_file(const char *_path, int _attrnamespace, void *_data,
   74             size_t _nbytes);
   75 ssize_t extattr_list_link(const char *_path, int _attrnamespace, void *_data,
   76             size_t _nbytes);
   77 int     extattr_set_fd(int _fd, int _attrnamespace, const char *_attrname,
   78             const void *_data, size_t _nbytes);
   79 int     extattr_set_file(const char *_path, int _attrnamespace,
   80             const char *_attrname, const void *_data, size_t _nbytes);
   81 int     extattr_set_link(const char *_path, int _attrnamespace,
   82             const char *_attrname, const void *_data, size_t _nbytes);
   83 __END_DECLS
   84 
   85 #endif /* !_KERNEL */
   86 #endif /* !_SYS_EXTATTR_H_ */

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