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  1. /*
  2.  * Copyright (c) 1987,1997, Prentice Hall
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use of the MINIX operating system in source and
  6.  * binary forms, with or without modification, are permitted provided
  7.  * that the following conditions are met:
  8.  
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  
  12.  * - Redistributions in binary form must reproduce the above
  13.  *   copyright notice, this list of conditions and the following
  14.  *   disclaimer in the documentation and/or other materials provided
  15.  *   with the distribution.
  16.  
  17.  * - Neither the name of Prentice Hall nor the names of the software
  18.  *   authors or contributors may be used to endorse or promote
  19.  *   products derived from this software without specific prior
  20.  *   written permission.
  21.  
  22.  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS, AUTHORS, AND
  23.  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  24.  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25.  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26.  * IN NO EVENT SHALL PRENTICE HALL OR ANY AUTHORS OR CONTRIBUTORS BE
  27.  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28.  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29.  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30.  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  31.  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  32.  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  33.  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34.  */
  35.  
  36. /** @addtogroup FileSystemImpl
  37. * @{
  38. */
  39.  
  40. /**
  41.  * @file    dir.h
  42.  * @brief   The layout of a directory.
  43.  */
  44.  
  45.  
  46. #ifndef _DIR_H
  47. #define _DIR_H
  48.  
  49. #define DIRBLKSIZ   512     /**< size of directory block */
  50. #define DIRSIZ      14      /**< directory entry name length */
  51. #define DIRSIZEX    30     /**< extended directory entry name length */
  52.  
  53. #include "inode.h"
  54.  
  55. /**
  56.  * Directory entry type
  57.  */
  58. typedef struct {
  59.     ino_t d_ino;
  60.     char d_name[DIRSIZ];
  61. } direct_t;
  62.  
  63. /**
  64.  * Extended directory entry type
  65.  */
  66. typedef struct {
  67.     ino_t d_ino;
  68.     char d_name[DIRSIZEX];
  69. } directex_t;
  70.  
  71. direct_t direct;    /**< Variable for storing a directory entry */
  72. directex_t directex; /**< Variable for storing an extended directory entry */
  73.  
  74. #endif /* _DIR_H */
  75.  
  76. /**
  77.  * }
  78.  */
  79.  
  80.