minix/fs/iso9660fs/const.h

   1
   2 #define GETDENTS_BUFSIZ 261
   3
   4 #define ISO9660_STANDARD_ID "CD001" /* Standard code for ISO9660 filesystems */
   5
   6 #define NR_DIR_RECORDS 256      /* Number of dir records to use at the same
   7                                  * time. */
   8 #define NR_ATTR_RECS 256        /* Number of extended attributes that is
   9                                  * possible to use at the same time */
  10 /* #define NR_ID_INODES 1024 */ /* The ISO9660 doesn't save the inode numbers.
  11                                  * There is a table that assign to every inode
  12                                  * a particular id. This number defines the
  13                                  * maximum number of ids the filesystem can
  14                                  * handle */
  15
  16 #define NO_ADDRESS (-1)         /* Error constants */
  17 #define NO_FREE_INODES (-1)
  18
  19 #define PATH_PENULTIMATE 001   /* parse_path stops at last but one name */
  20 #define PATH_NONSYMBOLIC 004   /* parse_path scans final name if symbolic */
  21
  22 #define DIR_ENTRY_SIZE       sizeof (struct direct)
  23 #define NR_DIR_ENTRIES(b)   ((b)/DIR_ENTRY_SIZE)
  24
  25 /* Below there are constant of the ISO9660 fs */
  26
  27 #define ISO9660_SUPER_BLOCK_POSITION        (32768)
  28 #define ISO9660_MIN_BLOCK_SIZE           2048
  29
  30 /* SIZES FIELDS ISO9660 STRUCTURES */
  31 #define ISO9660_SIZE_STANDARD_ID 5
  32 #define ISO9660_SIZE_BOOT_SYS_ID 32
  33 #define ISO9660_SIZE_BOOT_ID 32
  34
  35 #define ISO9660_SIZE_SYS_ID 32
  36 #define ISO9660_SIZE_VOLUME_ID 32
  37 #define ISO9660_SIZE_VOLUME_SET_ID 128
  38 #define ISO9660_SIZE_PUBLISHER_ID 128
  39 #define ISO9660_SIZE_DATA_PREP_ID 128
  40 #define ISO9660_SIZE_APPL_ID 128
  41 #define ISO9660_SIZE_COPYRIGHT_FILE_ID 37
  42 #define ISO9660_SIZE_ABSTRACT_FILE_ID 37
  43 #define ISO9660_SIZE_BIBL_FILE_ID 37
  44
  45 #define ISO9660_SIZE_VOL_CRE_DATE 17
  46 #define ISO9660_SIZE_VOL_MOD_DATE 17
  47 #define ISO9660_SIZE_VOL_EXP_DATE 17
  48 #define ISO9660_SIZE_VOL_EFF_DATE 17
  49
  50 #define ISO9660_SIZE_ESCAPE_SQC 32
  51 #define ISO9660_SIZE_PART_ID 32
  52
  53 #define ISO9660_SIZE_SYSTEM_USE 64
  54
  55 /* maximum size of length of name file used in dir records */
  56 #define ISO9660_MAX_FILE_ID_LEN 32
  57
  58 #define END_OF_FILE   (-104)    /* eof detected */
  59
  60 /* Miscellaneous constants */
  61 #define SYS_UID  ((uid_t) 0)    /* uid_t for processes PM and INIT */
  62 #define SYS_GID  ((gid_t) 0)    /* gid_t for processes PM and INIT */