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Add routine for extracing ISO 9660 long time format and probably correct

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the short-time format a little.

Handle Rock-Ridge time and be able to display it.
This pretty much completes the bulk of handling Rock-Ridge extensions.
This commit is contained in:
rocky
2005-02-22 02:02:46 +00:00
parent ec0564dfee
commit a2fccc90c4
5 changed files with 183 additions and 105 deletions
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31
include/cdio/iso9660.h
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@@ -1,5 +1,5 @@
/*
$Id: iso9660.h,v 1.71 2005/02/21 09:00:53 rocky Exp $
$Id: iso9660.h,v 1.72 2005/02/22 02:02:46 rocky Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -49,6 +49,7 @@ specification.
*/
typedef uint8_t iso711_t; /*! See section 7.1.1 */
typedef int8_t iso712_t; /*! See section 7.1.2 */
typedef uint16_t iso721_t; /*! See section 7.2.1 */
typedef uint16_t iso722_t; /*! See section 7.2.2 */
typedef uint32_t iso723_t; /*! See section 7.2.3 */
@@ -232,7 +233,9 @@ typedef struct iso9660_dtime_s iso9660_dtime_t;
/*!
\brief ISO-9660 longer-format time structure.
Section 8.4.26.1 of ECMA 119
Section 8.4.26.1 of ECMA 119. All values are encoded as character
arrays, eg. '1', '9', '5', '5' for the year 1955 (no null terminated
byte).
@see iso9660_ltime
*/
@@ -244,14 +247,17 @@ struct iso9660_ltime_s {
1..12. Note starts
at 1, not 0 like a
tm struct. */
char lt_day [_delta( 7, 8)];
char lt_hour [_delta( 9, 10)];
char lt_minute [_delta( 11, 12)];
char lt_second [_delta( 13, 14)];
char lt_hsecond [_delta( 15, 16)]; /**<! The value is in
char lt_day [_delta( 7, 8)]; /**< Day of month: 1..31 */
char lt_hour [_delta( 9, 10)]; /**< hour: 0..23 */
char lt_minute [_delta( 11, 12)]; /**< minute: 0..59 */
char lt_second [_delta( 13, 14)]; /**< second: 0..59 */
char lt_hsecond [_delta( 15, 16)]; /**< The value is in
units of 1/100's of
a second */
int8_t lt_gmtoff [_delta( 17, 17)];
iso712_t lt_gmtoff; /**< Offset from Greenwich Mean Time in number
of 15 min intervals from -48 (West) to +52
(East) recorded according to 7.1.2 numerical
value */
} GNUC_PACKED;
typedef struct iso9660_ltime_s iso9660_ltime_t;
@@ -693,10 +699,17 @@ typedef struct _iso9660_s iso9660_t;
If tm is to reflect the localtime, set "use_localtime" true, otherwise
tm will reported in GMT.
*/
void iso9660_get_dtime (const iso9660_dtime_t *idr_date, bool use_localtime,
bool iso9660_get_dtime (const iso9660_dtime_t *idr_date, bool use_localtime,
/*out*/ struct tm *tm);
/*!
Get "long" time in format used in ISO 9660 primary volume descriptor
from a Unix time structure.
*/
bool iso9660_get_ltime (const iso9660_ltime_t *p_ldate,
/*out*/ struct tm *p_tm);
/*====================================================
Characters used in file and directory and manipulation
====================================================*/