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 /*      $NetBSD: dir.h,v 1.10 2003/08/07 16:34:01 agc Exp $     */
    2 
    3 /*
    4  * Copyright (c) 1982, 1986, 1989, 1993
    5  *      The Regents of the University of California.  All rights reserved.
    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  * 3. Neither the name of the University nor the names of its contributors
   16  *    may be used to endorse or promote products derived from this software
   17  *    without specific prior written permission.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   29  * SUCH DAMAGE.
   30  *
   31  *      @(#)dir.h       8.2 (Berkeley) 1/4/94
   32  */
   33 
   34 /*
   35  * The information in this file should be obtained from <dirent.h>
   36  * and is provided solely (and temporarily) for backward compatibility.
   37  */
   38 
   39 #ifndef _SYS_DIR_H_
   40 #define _SYS_DIR_H_
   41 
   42 #ifdef  _KERNEL
   43 /* This file should only be used by old user-level code. */
   44 #error "Please use <sys/dirent.h> instead"
   45 #endif
   46 
   47 #include <dirent.h>
   48 
   49 /*
   50  * Backwards compatibility.
   51  */
   52 #define direct dirent
   53 
   54 /*
   55  * The DIRSIZ macro gives the minimum record length which will hold
   56  * the directory entry.  This requires the amount of space in struct direct
   57  * without the d_name field, plus enough space for the name with a terminating
   58  * null byte (dp->d_namlen+1), rounded up to a 4 byte boundary.
   59  */
   60 #undef DIRSIZ
   61 #define DIRSIZ(dp) \
   62     ((sizeof (struct direct) - (MAXNAMLEN+1)) + (((dp)->d_namlen+1 + 3) &~ 3))
   63 
   64 #endif /* !_SYS_DIR_H_ */

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