rom/filesys/CDVDFS/src/iso9660.h

   1 /* iso9660.h: */
   2
   3 #ifndef _ISO9660_H_
   4 #define _ISO9660_H_
   5
   6 #include "generic.h"
   7 #ifdef __AROS__
   8 #include <aros/macros.h>
   9 #else
  10 #define AROS_BIG_ENDIAN 1
  11 #endif
  12
  13 typedef struct directory_record {
  14   unsigned char         length;
  15   unsigned char         ext_attr_length;
  16 #if !AROS_BIG_ENDIAN
  17   uint32_t         extent_loc;
  18   uint32_t         extent_loc_m;
  19 #else
  20   uint32_t         extent_loc_i;
  21   uint32_t         extent_loc;
  22 #endif
  23 #if !AROS_BIG_ENDIAN
  24   uint32_t              data_length;
  25   uint32_t              data_length_m;
  26 #else
  27   uint32_t              data_length_i;
  28   uint32_t              data_length;
  29 #endif
  30   unsigned char         year;
  31   unsigned char         month;
  32   unsigned char         day;
  33   unsigned char         hour;
  34   unsigned char         minute;
  35   unsigned char         second;
  36   char                  tz;
  37   unsigned char         flags;
  38   unsigned char         file_unit_size;
  39   unsigned char         gap_size;
  40 #if !AROS_BIG_ENDIAN
  41   unsigned short        sequence;
  42   unsigned short        sequence_m;
  43 #else
  44   unsigned short        sequence_i;
  45   unsigned short        sequence;
  46 #endif
  47   unsigned char         file_id_length;
  48   char                  file_id[1];
  49 } __attribute__((packed) )directory_record;
  50
  51 /* Some of file flags we use */
  52 #define FILE_FLAG_HIDDEN     0x01
  53 #define FILE_FLAG_DIRECTORY  0x02
  54 #define FILE_FLAG_ASSOCIATED 0x04
  55
  56 typedef char time_and_date[17];
  57
  58 typedef struct prim_vol_desc {
  59   unsigned char         type;
  60   char                  id[5];
  61   unsigned char         version;
  62   char                  pad1;
  63   char                  system_id[32];
  64   char                  volume_id[32];
  65   char                  pad2[8];
  66 #if !AROS_BIG_ENDIAN
  67   uint32_t              space_size;
  68   uint32_t              space_size_m;
  69 #else
  70   uint32_t              space_size_i;
  71   uint32_t              space_size;
  72 #endif
  73   char                  pad3[32];
  74 #if !AROS_BIG_ENDIAN
  75   unsigned short        set_size;
  76   unsigned short        set_size_m;
  77 #else
  78   unsigned short        set_size_i;
  79   unsigned short        set_size;
  80 #endif
  81 #if !AROS_BIG_ENDIAN
  82   unsigned short        sequence;
  83   unsigned short        sequence_m;
  84 #else
  85   unsigned short        sequence_i;
  86   unsigned short        sequence;
  87 #endif
  88 #if !AROS_BIG_ENDIAN
  89   unsigned short        block_size;
  90   unsigned short        block_size_m;
  91 #else
  92   unsigned short        block_size_i;
  93   unsigned short        block_size;
  94 #endif
  95 #if !AROS_BIG_ENDIAN
  96   uint32_t              path_size;
  97   uint32_t              path_size_m;
  98 #else
  99   uint32_t              path_size_i;
 100   uint32_t              path_size;
 101 #endif
 102 #if !AROS_BIG_ENDIAN
 103   uint32_t         table;
 104   uint32_t         opt_table;
 105   uint32_t         m_table;
 106   uint32_t         opt_m_table;
 107 #else
 108   uint32_t         i_table;
 109   uint32_t         opt_i_table;
 110   uint32_t         table;
 111   uint32_t         opt_table;
 112 #endif
 113   directory_record      root;
 114   char                  volume_set_id[128];
 115   char                  publisher_id[128];
 116   char                  data_preparer[128];
 117   char                  application_id[128];
 118   char                  copyright[37];
 119   char                  abstract_file_id[37];
 120   char                  bibliographic_id[37];
 121   time_and_date         vol_creation;
 122   time_and_date         vol_modification;
 123   time_and_date         vol_expiration;
 124   time_and_date         vol_effective;
 125   unsigned char         file_structure_version;
 126   char                  pad4;
 127   char                  application_use[512];
 128   char                  reserved[653];
 129 } prim_vol_desc;
 130
 131 /* for internal use only: */
 132
 133 typedef struct iso_vol_info {
 134   prim_vol_desc         pvd;
 135   int                   skip;
 136   unsigned short        blockshift;
 137 } t_iso_vol_info;
 138
 139 typedef struct iso_obj_info {
 140   directory_record      *dir;
 141   uint32_t              parent_loc; /* for files only */
 142 } t_iso_obj_info;
 143
 144 t_bool Iso_Init_Vol_Info(VOLUME *p_volume, int p_skip, t_ulong p_offset, t_ulong svd_offset);
 145 t_bool Uses_Iso_Protocol(CDROM *p_cdrom, t_ulong *p_offset);
 146 t_bool Uses_High_Sierra_Protocol(CDROM *p_cdrom);
 147 directory_record *Get_Directory_Record
 148         (VOLUME *p_volume, uint32_t p_location, uint32_t p_offset);
 149 CDROM_OBJ *Iso_Create_Directory_Obj(VOLUME *p_volume, uint32_t p_location);
 150
 151 #if !AROS_BIG_ENDIAN
 152 #define l_table m_table
 153 #define opt_l_table opt_m_table
 154 #else
 155 #define l_table i_table
 156 #define opt_l_table opt_i_table
 157 #endif
 158
 159 #endif /* _ISO9660_H_ */