git.sur5r.net Git - cc65/blob - libsrc/apple2/dir.h

   1 /*****************************************************************************/
   2 /*                                                                           */
   3 /*                                    dir.h                                  */
   4 /*                                                                           */
   5 /*                       Apple ][ system specific DIR                        */
   6 /*                                                                           */
   7 /*                                                                           */
   8 /*                                                                           */
   9 /* (C) 2005  Oliver Schmidt, <ol.sc@web.de>                                  */
  10 /*                                                                           */
  11 /*                                                                           */
  12 /* This software is provided 'as-is', without any expressed or implied       */
  13 /* warranty.  In no event will the authors be held liable for any damages    */
  14 /* arising from the use of this software.                                    */
  15 /*                                                                           */
  16 /* Permission is granted to anyone to use this software for any purpose,     */
  17 /* including commercial applications, and to alter it and redistribute it    */
  18 /* freely, subject to the following restrictions:                            */
  19 /*                                                                           */
  20 /* 1. The origin of this software must not be misrepresented; you must not   */
  21 /*    claim that you wrote the original software. If you use this software   */
  22 /*    in a product, an acknowledgment in the product documentation would be  */
  23 /*    appreciated but is not required.                                       */
  24 /* 2. Altered source versions must be plainly marked as such, and must not   */
  25 /*    be misrepresented as being the original software.                      */
  26 /* 3. This notice may not be removed or altered from any source              */
  27 /*    distribution.                                                          */
  28 /*                                                                           */
  29 /*****************************************************************************/
  30
  31
  32
  33 #ifndef _DIR_H
  34 #define _DIR_H
  35
  36
  37
  38 /*****************************************************************************/
  39 /*                                   Data                                    */
  40 /*****************************************************************************/
  41
  42
  43
  44 struct DIR {
  45     int           fd;
  46     unsigned char entry_length;
  47     unsigned char entries_per_block;
  48     unsigned char current_entry;
  49     union {
  50         unsigned char bytes[512];
  51         struct {
  52             unsigned      prev_block;
  53             unsigned      next_block;
  54             unsigned char entries[1];
  55         } content;
  56     } block;
  57 };
  58
  59
  60
  61 /* End of dir.h */
  62 #endif