system/modules/iso9660/directory_record.h

   1 /*
   2  * iso9660 - An iso9660 CDI driver with Rockridge support
   3  *
   4  * Copyright (C) 2008 Janosch Gräf
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 3 of the License, or (at your option)
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  14  * more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along with
  17  * this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _DIRECTORY_RECORD_H_
  21 #define _DIRECTORY_RECORD_H_
  22
  23 #include <stdint.h>
  24
  25 // Date from ISO9660 directory entry
  26 struct iso9660_dirrec_date {
  27   // Number of years since 1900
  28   uint8_t year;
  29
  30   // Month (1=January, 2=February)
  31   uint8_t month;
  32
  33   // Day of month
  34   uint8_t day;
  35
  36   // Hour
  37   uint8_t hour;
  38
  39   // Minute
  40   uint8_t minute;
  41
  42   // Second
  43   uint8_t second;
  44
  45   // GMT offset (in 15min intervals)
  46   int8_t gmtoff;
  47 } __attribute__ ((packed));
  48
  49 #define ISO9660_DIRREC_HIDDEN   1
  50 #define ISO9660_DIRREC_DIR      2
  51 #define ISO9660_DIRREC_ASSOC    4
  52 #define ISO9660_DIRREC_RECFMT   8
  53 #define ISO9660_DIRREC_PERM     16
  54 #define ISO9660_DIRREC_NOTFINAL 128
  55
  56 // ISO9660 directory entry
  57 struct iso9660_dirrec {
  58   // Size of this record (must be even)
  59   uint8_t record_size;
  60
  61   // Number of sectors in extended attribute record
  62   uint8_t num_sectors_extattrrec;
  63
  64   // First sector for file/directory data (0 if empty)
  65   uint32_t data_sector;
  66   uint32_t data_sector_be;
  67
  68   // File/directory data size
  69   uint32_t data_size;
  70   uint32_t data_size_be;
  71
  72   // Date of creation
  73   struct iso9660_dirrec_date date_creation;
  74
  75   // File flags
  76   uint8_t flags;
  77
  78   // Unit size for interleaved files (should be 0)
  79   uint8_t interleaved_unit_size;
  80
  81   // Gap size for interleaved files (should be 0)
  82   uint8_t interleaved_gap_size;
  83
  84   // Volume sequence number
  85   uint16_t volume_seq;
  86   uint16_t volume_seq_be;
  87
  88   // Identifier length
  89   uint8_t identifier_length;
  90
  91   // Identifier
  92   uint8_t identifier[1];
  93 } __attribute__ ((packed));
  94
  95 #endif