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udf: convert udf_stamp_to_time to return struct timespec

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Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
marcin.slusarz@gmail.com 2008-02-27 22:50:14 +01:00 • committed by Jan Kara
parent c87e8e90d0
commit cbf5676a0e
4 changed files with 37 additions and 42 deletions
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17
fs/udf/udftime.c
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@ -85,7 +85,7 @@ extern struct timezone sys_tz;
#define SECS_PER_HOUR (60 * 60)
#define SECS_PER_DAY (SECS_PER_HOUR * 24)
time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
struct timespec *udf_stamp_to_time(struct timespec *dest, kernel_timestamp src)
{
int yday;
uint8_t type = src.typeAndTimezone >> 12;
@ -97,23 +97,20 @@ time_t *udf_stamp_to_time(time_t *dest, long *dest_usec, kernel_timestamp src)
offset = (offset >> 4);
if (offset == -2047) /* unspecified offset */
offset = 0;
} else {
} else
offset = 0;
}
if ((src.year < EPOCH_YEAR) ||
(src.year >= EPOCH_YEAR + MAX_YEAR_SECONDS)) {
*dest = -1;
*dest_usec = -1;
return NULL;
}
*dest = year_seconds[src.year - EPOCH_YEAR];
*dest -= offset * 60;
dest->tv_sec = year_seconds[src.year - EPOCH_YEAR];
dest->tv_sec -= offset * 60;
yday = ((__mon_yday[__isleap(src.year)][src.month - 1]) + src.day - 1);
*dest += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second;
*dest_usec = src.centiseconds * 10000 +
src.hundredsOfMicroseconds * 100 + src.microseconds;
dest->tv_sec += (((yday * 24) + src.hour) * 60 + src.minute) * 60 + src.second;
dest->tv_nsec = 1000 * (src.centiseconds * 10000 +
src.hundredsOfMicroseconds * 100 + src.microseconds);
return dest;
}