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/dir.h

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    1 /*      $OpenBSD: dir.h,v 1.5 2003/06/02 23:28:21 millert Exp $ */
    2 /*      $NetBSD: dir.h,v 1.9 1996/10/27 19:27:54 gwr Exp $      */
    3 
    4 /*
    5  * Copyright (c) 1982, 1986, 1989, 1993
    6  *      The Regents of the University of California.  All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 3. Neither the name of the University nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  *      @(#)dir.h       8.2 (Berkeley) 1/4/94
   33  */
   34 
   35 /*
   36  * The information in this file should be obtained from <dirent.h>
   37  * and is provided solely (and temporarily) for backward compatibility.
   38  */
   39 
   40 #ifndef _SYS_DIR_H_
   41 #define _SYS_DIR_H_
   42 
   43 #ifdef  _KERNEL
   44 /* This file should only be used by old user-level code. */
   45 #error "Please use <sys/dirent.h> instead"
   46 #endif
   47 
   48 #include <dirent.h>
   49 
   50 /*
   51  * Backwards compatibility.
   52  */
   53 #define direct dirent
   54 
   55 /*
   56  * The DIRSIZ macro gives the minimum record length which will hold
   57  * the directory entry.  This requires the amount of space in struct direct
   58  * without the d_name field, plus enough space for the name with a terminating
   59  * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
   60  */
   61 #undef DIRSIZ
   62 #define DIRSIZ(dp) \
   63     ((sizeof (struct direct) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
   64 
   65 #endif /* !_SYS_DIR_H_ */

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