rom/filesys/afs/afsblocks.h

   1 #ifndef AFSBLOCKS_H
   2 #define AFSBLOCKS_H
   3
   4 /*
   5     Copyright © 1995-2006, The AROS Development Team. All rights reserved.
   6     $Id$
   7 */
   8
   9 #define T_SHORT 2
  10 #define T_DATA          8
  11 #define T_LIST          16
  12
  13 #define MAX_NAME_LENGTH         31
  14 #define MAX_COMMENT_LENGTH      91
  15
  16 #define BLOCK_SIZE(volume)                                              (volume->SizeBlock*4)
  17
  18 //all T_SHORT entries
  19 #define BLK_PRIMARY_TYPE                                                0
  20 #define BLK_CHECKSUM                                                            5
  21 #define BLK_TABLE_START                                                 6
  22 #define BLK_TABLE_END(volume)                                   (volume->SizeBlock-51)
  23 #define BLK_SECONDARY_TYPE(volume)                      (volume->SizeBlock-1)
  24
  25 // rootblock entries
  26 #define BLK_TABLE_SIZE                                                  3
  27 #define BLK_BITMAP_VALID_FLAG(volume)           (volume->SizeBlock-50)
  28 #define BLK_BITMAP_POINTERS_START(volume)       (volume->SizeBlock-49)
  29 #define BLK_BITMAP_POINTERS_END(volume) (volume->SizeBlock-25)
  30 #define BLK_BITMAP_EXTENSION(volume)            (volume->SizeBlock-24)
  31 #define BLK_ROOT_DAYS(volume)                                   (volume->SizeBlock-23)
  32 #define BLK_ROOT_MINS(volume)                                   (volume->SizeBlock-22)
  33 #define BLK_ROOT_TICKS(volume)                          (volume->SizeBlock-21)
  34 #define BLK_DISKNAME_START(volume)                      (volume->SizeBlock-20)
  35 #define BLK_DISKNAME_END(volume)                                (volume->SizeBlock-13)
  36 #define BLK_VOLUME_DAYS(volume)                         (volume->SizeBlock-10)
  37 #define BLK_VOLUME_MINS(volume)                         (volume->SizeBlock-9)
  38 #define BLK_VOLUME_TICKS(volume)                                (volume->SizeBlock-8)
  39 #define BLK_CREATION_DAYS(volume)                       (volume->SizeBlock-7)
  40 #define BLK_CREATION_MINS(volume)                       (volume->SizeBlock-6)
  41 #define BLK_CREATION_TICKS(volume)                      (volume->SizeBlock-5)
  42
  43 //file and directory entries
  44 #define BLK_OWN_KEY                                                             1
  45 #define BLK_OWNER(volume)                                               (volume->SizeBlock-49)
  46 #define BLK_PROTECT(volume)                                     (volume->SizeBlock-48)
  47 #define BLK_COMMENT_START(volume)                       (volume->SizeBlock-46)
  48 #define BLK_COMMENT_END(volume)                         (volume->SizeBlock-24)
  49 #define BLK_DAYS(volume)                                                (volume->SizeBlock-23)
  50 #define BLK_MINS(volume)                                                (volume->SizeBlock-22)
  51 #define BLK_TICKS(volume)                                               (volume->SizeBlock-21)
  52 #define BLK_LINKCHAIN(volume)                                   (volume->SizeBlock-10)
  53 #define BLK_HASHCHAIN(volume)                                   (volume->SizeBlock-4)
  54 #define BLK_PARENT(volume)                                              (volume->SizeBlock-3)
  55
  56 //directory entries
  57 #define BLK_DIRECTORYNAME_START(volume) (volume->SizeBlock-20)
  58 #define BLK_DIRECTORYNAME_END(volume)           (volume->SizeBlock-13)
  59
  60 //file entries
  61 #define BLK_BLOCK_COUNT                                                 2
  62 #define BLK_FIRST_DATA                                                  4
  63 #define BLK_BYTE_SIZE(volume)                                   (volume->SizeBlock-47)
  64 #define BLK_FILENAME_START(volume)                      (volume->SizeBlock-20)
  65 #define BLK_FILENAME_END(volume)                                (volume->SizeBlock-13)
  66 #define BLK_EXTENSION(volume)                                   (volume->SizeBlock-2)
  67
  68 //data blocks OFS
  69 #define BLK_HEADER_KEY                                                  1
  70 #define BLK_SEQUENCE_NUMBER                                     2
  71 #define BLK_DATA_SIZE                                                   3
  72 #define BLK_NEXT_DATA                                                   4
  73 #define BLK_DATA_START                                                  6
  74
  75 //hardlinks
  76 #define BLK_HARDLINKNAME_START(volume)          (volume->SizeBlock-20)
  77 #define BLK_HARDLINKNAME_END(volume)            (volume->SizeBlock-13)
  78 #define BLK_ORIGINAL(volume)                                    (volume->SizeBlock-11)
  79
  80 //softlinks
  81 #define BLK_SYMBOLICNAME_START                          6
  82 #define BLK_SYMBOLICNAME_END(volume)            (volume->SizeBlock-51)
  83 #define BLK_SOFTLINKNAME_START(volume)          (volume->SizeBlock-20)
  84 #define BLK_SOFTLINKNAME_END(volume)            (volume->SizeBlock-13)
  85
  86 #endif