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Prevent timetz2tm() from scribbling on its input in HAVE_INT64_TIMESTAMP case.

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This commit is contained in:
Tom Lane
2003-02-13 17:04:24 +00:00
parent cc3c67784a
commit 35710e0d76
1 changed files with 11 additions and 12 deletions
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23
src/backend/utils/adt/date.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.73.2.3 2003/01/29 01:09:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.73.2.4 2003/02/13 17:04:24 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1348,23 +1348,22 @@ timetz_out(PG_FUNCTION_ARGS)
/* timetz2tm()
* Convert TIME WITH TIME ZONE data type to POSIX time structure.
* For dates within the system-supported time_t range, convert to the
* local time zone. If out of this range, leave as GMT. - tgl 97/05/27
*/
static int
timetz2tm(TimeTzADT *time, struct tm * tm, fsec_t *fsec, int *tzp)
{
#ifdef HAVE_INT64_TIMESTAMP
tm->tm_hour = (time->time / INT64CONST(3600000000));
time->time -= (tm->tm_hour * INT64CONST(3600000000));
tm->tm_min = (time->time / INT64CONST(60000000));
time->time -= (tm->tm_min * INT64CONST(60000000));
tm->tm_sec = (time->time / INT64CONST(1000000));
*fsec = (time->time - (tm->tm_sec * INT64CONST(1000000)));
#else
double trem;
int64 trem = time->time;
tm->tm_hour = (trem / INT64CONST(3600000000));
trem -= (tm->tm_hour * INT64CONST(3600000000));
tm->tm_min = (trem / INT64CONST(60000000));
trem -= (tm->tm_min * INT64CONST(60000000));
tm->tm_sec = (trem / INT64CONST(1000000));
*fsec = (trem - (tm->tm_sec * INT64CONST(1000000)));
#else
double trem = time->time;
trem = time->time;
TMODULO(trem, tm->tm_hour, 3600e0);
TMODULO(trem, tm->tm_min, 60e0);
TMODULO(trem, tm->tm_sec, 1e0);