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More precise ISO9660 date definition

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rocky
2003-09-20 11:53:09 +00:00
parent 70ffa73191
commit 524522106d
3 changed files with 50 additions and 34 deletions
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40
include/cdio/iso9660.h
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@@ -1,5 +1,5 @@
/*
$Id: iso9660.h,v 1.21 2003/09/10 08:39:00 rocky Exp $
$Id: iso9660.h,v 1.22 2003/09/20 11:53:09 rocky Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
@@ -93,6 +93,18 @@ enum strncpy_pad_check {
PRAGMA_BEGIN_PACKED
struct iso9660_dtime {
uint8_t dt_year;
uint8_t dt_month; /* 1..12. Note 1 origin not 0, like a tm struct. */
uint8_t dt_day;
uint8_t dt_hour;
uint8_t dt_minute;
uint8_t dt_second;
int8_t dt_gmtoff; /* GMT values -48 .. + 52 in 15 min intervals */
} GNUC_PACKED;
typedef struct iso9660_dtime iso9660_dtime_t;
/* ISO-9660 Primary Volume Descriptor.
*/
struct iso9660_pvd {
@@ -150,17 +162,17 @@ typedef struct iso9660_stat iso9660_stat_t;
/* Format of an ISO-9660 directory record */
struct iso9660_dir {
uint8_t length; /* 711 */
uint8_t ext_attr_length; /* 711 */
uint64_t extent; /* 733 */
uint64_t size; /* 733 */
uint8_t date[7]; /* 7 by 711 */
uint8_t flags;
uint8_t file_unit_size; /* 711 */
uint8_t interleave; /* 711 */
uint8_t length; /* 711 */
uint8_t ext_attr_length; /* 711 */
uint64_t extent; /* 733 */
uint64_t size; /* 733 */
iso9660_dtime_t date; /* 7 by 711 */
uint8_t flags;
uint8_t file_unit_size; /* 711 */
uint8_t interleave; /* 711 */
uint32_t volume_sequence_number; /* 723 */
uint8_t name_len; /* 711 */
char name[EMPTY_ARRAY_SIZE];
uint8_t name_len; /* 711 */
char name[EMPTY_ARRAY_SIZE];
} GNUC_PACKED;
struct iso9660_stat { /* big endian!! */
@@ -219,7 +231,8 @@ char *iso9660_strncpy_pad(char dst[], const char src[], size_t len,
/*!
Set time in format used in ISO 9660 directory index record
from a Unix time structure. */
void iso9660_set_time (const struct tm *tm, /*out*/ uint8_t idr_date[]);
void iso9660_set_time (const struct tm *tm,
/*out*/ iso9660_dtime_t *idr_date);
/*!
@@ -227,7 +240,8 @@ void iso9660_set_time (const struct tm *tm, /*out*/ uint8_t idr_date[]);
record. Even though tm_wday and tm_yday fields are not explicitly in
idr_date, the are calculated from the other fields.
*/
void iso9660_get_time (const uint8_t idr_date[], /*out*/ struct tm *tm);
void iso9660_get_time (const iso9660_dtime_t *idr_date,
/*out*/ struct tm *tm);
/*=====================================================================