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UDF file reading works for strategy 4. What a pain in the ass.

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This commit is contained in:
rocky
2006-04-17 03:32:38 +00:00
parent 8a9128cf61
commit e7e73c05d8
6 changed files with 212 additions and 66 deletions
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54
include/cdio/ecma_167.h
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@@ -618,12 +618,16 @@ typedef struct udf_icbtag_s udf_icbtag_t;
#define UDF_ICB_TAG_FLAGS_SETGID 0x80
#define UDF_ICB_TAG_FLAGS_STICKY 0x100
/** Strategy Type (ECMA 167r3 4/14.6.2) */
#define ICBTAG_STRATEGY_TYPE_UNDEF 0x0000
#define ICBTAG_STRATEGY_TYPE_1 0x0001
#define ICBTAG_STRATEGY_TYPE_2 0x0002
#define ICBTAG_STRATEGY_TYPE_3 0x0003
#define ICBTAG_STRATEGY_TYPE_4 0x0004
/** Strategy Type (ECMA 167r3 4/14.6.2) which helpfully points
largely to 4/A.x */
#define ICBTAG_STRATEGY_TYPE_UNDEF 0x0000
#define ICBTAG_STRATEGY_TYPE_1 0x0001 /**< 4/A.2 Direct entries Uint16 */
#define ICBTAG_STRATEGY_TYPE_2 0x0002 /**< 4/A.3 List of ICB direct entries */
#define ICBTAG_STRATEGY_TYPE_3 0x0003 /**< 4/A.4 */
#define ICBTAG_STRATEGY_TYPE_4 0x0004 /**< 4/A.5 Hierarchy having one
single ICB with one direct entry.
This is what's most often used.
*/
/** File Type (ECMA 167r3 4/14.6.6)
@@ -649,11 +653,25 @@ typedef enum {
/** Flags (ECMA 167r3 4/14.6.8) */
typedef enum {
ICBTAG_FLAG_AD_MASK = 0x0007,
ICBTAG_FLAG_AD_SHORT = 0x0000,
ICBTAG_FLAG_AD_LONG = 0x0001,
ICBTAG_FLAG_AD_MASK = 0x0007, /**< "&" this to get below address
flags */
ICBTAG_FLAG_AD_SHORT = 0x0000, /**< The allocation descriptor
field is filled with
short_ad's. If the
offset is beyond the
current extent, look for
the next extent. */
ICBTAG_FLAG_AD_LONG = 0x0001, /**< The allocation descriptor
field is filled with
long_ad's If the offset
is beyond the current
extent, look for the next
extent. */
ICBTAG_FLAG_AD_EXTENDED = 0x0002,
ICBTAG_FLAG_AD_IN_ICB = 0x0003,
ICBTAG_FLAG_AD_IN_ICB = 0x0003, /**< This type means that the
file *data* is stored in
the allocation descriptor
field of the file entry. */
ICBTAG_FLAG_SORTED = 0x0008,
ICBTAG_FLAG_NONRELOCATABLE = 0x0010,
ICBTAG_FLAG_ARCHIVE = 0x0020,
@@ -978,15 +996,11 @@ PRAGMA_END_PACKED
allow one refer to the enumeration value names in the typedefs
above in a debugger and in debugger expressions.
*/
typedef union
{
tag_id_t debug_tagid;
file_characteristics_t debug_file_characteristics;
icbtag_file_type_enum_t debug_icbtag_file_type_enum;
icbtag_flag_enum_t debug_flag_enum;
ecma_167_enum1_t debug_ecma_167_enum1;
ecma_167_timezone_enum_t debug_ecma_167_timezone_enum;
} debug_ecma167_t;
extern debug_ecma167_t debug_ecma_167;
extern tag_id_t debug_tagid;
extern file_characteristics_t debug_file_characteristics;
extern icbtag_file_type_enum_t debug_icbtag_file_type_enum;
extern icbtag_flag_enum_t debug_flag_enum;
extern ecma_167_enum1_t debug_ecma_167_enum1;
extern ecma_167_timezone_enum_t debug_ecma_167_timezone_enum;
#endif /* _ECMA_167_H */