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

     /*-
      * Copyright (c) 1999 Robert N. M. Watson
      * All rights reserved.
      *
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     *
     * $FreeBSD$
     */
    /*
     * Userland/kernel interface for Extended File System Attributes
     *
     * This code from the FreeBSD POSIX.1e implementation.  While the syscalls
     * are fully implemented, invoking the VFS vnops and VFS calls as necessary,
     * no file systems shipped with this version of FreeBSD implement these
     * calls.  Extensions to UFS/FFS to support extended attributes are
     * available from the POSIX.1e implementation page, or possibly in a more
     * recent version of FreeBSD.
     *
     * The POSIX.1e implementation page may be reached at:
     *   http://www.watson.org/fbsd-hardening/posix1e/
     */
    
    #ifndef _SYS_EXTATTR_H_
    #define _SYS_EXTATTR_H_
    #ifdef _KERNEL
    
    #define EXTATTR_MAXNAMELEN      NAME_MAX
    
    #else
    #include <sys/cdefs.h>
    
    struct iovec;
    
    __BEGIN_DECLS
    int     extattrctl(const char *path, int cmd, const char *attrname, char *arg);
    int     extattr_delete_file(const char *path, const char *attrname);
    int     extattr_get_file(const char *path, const char *attrname,
                struct iovec *iovp, unsigned iovcnt);
    int     extattr_set_file(const char *path, const char *attrname,
                struct iovec *iovp, unsigned iovcnt);
    __END_DECLS
    
    #endif /* !_KERNEL */
    #endif /* !_SYS_EXTATTR_H_ */

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