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Diffstat (limited to 'src/backend/utils/adt/timestamp.c')
-rw-r--r--src/backend/utils/adt/timestamp.c102
1 files changed, 34 insertions, 68 deletions
diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c
index cd59b7f34ad..1705441329f 100644
--- a/src/backend/utils/adt/timestamp.c
+++ b/src/backend/utils/adt/timestamp.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.105 2004/05/07 00:24:58 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/timestamp.c,v 1.106 2004/05/21 05:08:02 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -70,7 +70,7 @@ timestamp_in(PG_FUNCTION_ARGS)
int32 typmod = PG_GETARG_INT32(2);
Timestamp result;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
int tz;
int dtype;
@@ -137,7 +137,7 @@ timestamp_out(PG_FUNCTION_ARGS)
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
char *result;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
char *tzn = NULL;
@@ -296,7 +296,7 @@ timestamptz_in(PG_FUNCTION_ARGS)
int32 typmod = PG_GETARG_INT32(2);
TimestampTz result;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
int tz;
int dtype;
@@ -364,7 +364,7 @@ timestamptz_out(PG_FUNCTION_ARGS)
TimestampTz dt = PG_GETARG_TIMESTAMPTZ(0);
char *result;
int tz;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
char *tzn;
@@ -456,7 +456,7 @@ interval_in(PG_FUNCTION_ARGS)
int32 typmod = PG_GETARG_INT32(2);
Interval *result;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
int dtype;
int nf;
@@ -520,7 +520,7 @@ interval_out(PG_FUNCTION_ARGS)
{
Interval *span = PG_GETARG_INTERVAL_P(0);
char *result;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
char buf[MAXDATELEN + 1];
@@ -933,23 +933,19 @@ dt2time(Timestamp jd, int *hour, int *min, int *sec, fsec_t *fsec)
* local time zone. If out of this range, leave as GMT. - tgl 97/05/27
*/
int
-timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, fsec_t *fsec, char **tzn)
+timestamp2tm(Timestamp dt, int *tzp, struct pg_tm * tm, fsec_t *fsec, char **tzn)
{
#ifdef HAVE_INT64_TIMESTAMP
int date,
date0;
int64 time;
-
#else
double date,
date0;
double time;
#endif
time_t utime;
-
-#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
- struct tm *tx;
-#endif
+ struct pg_tm *tx;
date0 = POSTGRES_EPOCH_JDATE;
@@ -1006,10 +1002,8 @@ timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, fsec_t *fsec, char **tzn)
{
*tzp = CTimeZone;
tm->tm_isdst = 0;
-#if defined(HAVE_TM_ZONE)
tm->tm_gmtoff = CTimeZone;
tm->tm_zone = NULL;
-#endif
if (tzn != NULL)
*tzn = NULL;
}
@@ -1027,46 +1021,20 @@ timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, fsec_t *fsec, char **tzn)
utime = (dt + ((date0 - UNIX_EPOCH_JDATE) * 86400));
#endif
-#if defined(HAVE_TM_ZONE) || defined(HAVE_INT_TIMEZONE)
- tx = localtime(&utime);
+ tx = pg_localtime(&utime);
tm->tm_year = tx->tm_year + 1900;
tm->tm_mon = tx->tm_mon + 1;
tm->tm_mday = tx->tm_mday;
tm->tm_hour = tx->tm_hour;
tm->tm_min = tx->tm_min;
-#if NOT_USED
-/* XXX HACK
- * Argh! My Linux box puts in a 1 second offset for dates less than 1970
- * but only if the seconds field was non-zero. So, don't copy the seconds
- * field and instead carry forward from the original - thomas 97/06/18
- * Note that Linux uses the standard freeware zic package as do
- * many other platforms so this may not be Linux/ix86-specific.
- * Still shows a problem on my up to date Linux box - thomas 2001-01-17
- */
tm->tm_sec = tx->tm_sec;
-#endif
tm->tm_isdst = tx->tm_isdst;
-
-#if defined(HAVE_TM_ZONE)
tm->tm_gmtoff = tx->tm_gmtoff;
tm->tm_zone = tx->tm_zone;
- *tzp = -(tm->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
+ *tzp = -(tm->tm_gmtoff);
if (tzn != NULL)
*tzn = (char *) tm->tm_zone;
-#elif defined(HAVE_INT_TIMEZONE)
- *tzp = ((tm->tm_isdst > 0) ? (TIMEZONE_GLOBAL - 3600) : TIMEZONE_GLOBAL);
- if (tzn != NULL)
- *tzn = tzname[(tm->tm_isdst > 0)];
-#endif
-
-#else /* not (HAVE_TM_ZONE || HAVE_INT_TIMEZONE) */
- *tzp = 0;
- /* Mark this as *no* time zone available */
- tm->tm_isdst = -1;
- if (tzn != NULL)
- *tzn = NULL;
-#endif
}
else
{
@@ -1096,12 +1064,11 @@ timestamp2tm(Timestamp dt, int *tzp, struct tm * tm, fsec_t *fsec, char **tzn)
* Returns -1 on failure (value out of range).
*/
int
-tm2timestamp(struct tm * tm, fsec_t fsec, int *tzp, Timestamp *result)
+tm2timestamp(struct pg_tm * tm, fsec_t fsec, int *tzp, Timestamp *result)
{
#ifdef HAVE_INT64_TIMESTAMP
int date;
int64 time;
-
#else
double date,
time;
@@ -1135,11 +1102,10 @@ tm2timestamp(struct tm * tm, fsec_t fsec, int *tzp, Timestamp *result)
* Convert a interval data type to a tm structure.
*/
int
-interval2tm(Interval span, struct tm * tm, fsec_t *fsec)
+interval2tm(Interval span, struct pg_tm * tm, fsec_t *fsec)
{
#ifdef HAVE_INT64_TIMESTAMP
int64 time;
-
#else
double time;
#endif
@@ -1179,7 +1145,7 @@ interval2tm(Interval span, struct tm * tm, fsec_t *fsec)
}
int
-tm2interval(struct tm * tm, fsec_t fsec, Interval *span)
+tm2interval(struct pg_tm * tm, fsec_t fsec, Interval *span)
{
span->month = ((tm->tm_year * 12) + tm->tm_mon);
#ifdef HAVE_INT64_TIMESTAMP
@@ -1251,12 +1217,12 @@ interval_finite(PG_FUNCTION_ARGS)
*---------------------------------------------------------*/
void
-GetEpochTime(struct tm * tm)
+GetEpochTime(struct pg_tm * tm)
{
- struct tm *t0;
+ struct pg_tm *t0;
time_t epoch = 0;
- t0 = gmtime(&epoch);
+ t0 = pg_gmtime(&epoch);
tm->tm_year = t0->tm_year;
tm->tm_mon = t0->tm_mon;
@@ -1276,7 +1242,7 @@ Timestamp
SetEpochTimestamp(void)
{
Timestamp dt;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
GetEpochTime(tm);
@@ -1896,7 +1862,7 @@ timestamp_pl_interval(PG_FUNCTION_ARGS)
{
if (span->month != 0)
{
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
@@ -1974,7 +1940,7 @@ timestamptz_pl_interval(PG_FUNCTION_ARGS)
{
if (span->month != 0)
{
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
@@ -2296,11 +2262,11 @@ timestamp_age(PG_FUNCTION_ARGS)
fsec_t fsec,
fsec1,
fsec2;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
- struct tm tt1,
+ struct pg_tm tt1,
*tm1 = &tt1;
- struct tm tt2,
+ struct pg_tm tt2,
*tm2 = &tt2;
result = (Interval *) palloc(sizeof(Interval));
@@ -2407,11 +2373,11 @@ timestamptz_age(PG_FUNCTION_ARGS)
fsec_t fsec,
fsec1,
fsec2;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
- struct tm tt1,
+ struct pg_tm tt1,
*tm1 = &tt1;
- struct tm tt2,
+ struct pg_tm tt2,
*tm2 = &tt2;
result = (Interval *) palloc(sizeof(Interval));
@@ -2702,7 +2668,7 @@ timestamp_trunc(PG_FUNCTION_ARGS)
val;
char *lowunits;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
@@ -2806,7 +2772,7 @@ timestamptz_trunc(PG_FUNCTION_ARGS)
char *lowunits;
fsec_t fsec;
char *tzn;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
@@ -2909,7 +2875,7 @@ interval_trunc(PG_FUNCTION_ARGS)
val;
char *lowunits;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
result = (Interval *) palloc(sizeof(Interval));
@@ -3142,7 +3108,7 @@ timestamp_part(PG_FUNCTION_ARGS)
val;
char *lowunits;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
@@ -3355,7 +3321,7 @@ timestamptz_part(PG_FUNCTION_ARGS)
double dummy;
fsec_t fsec;
char *tzn;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
if (TIMESTAMP_NOT_FINITE(timestamp))
@@ -3544,7 +3510,7 @@ interval_part(PG_FUNCTION_ARGS)
val;
char *lowunits;
fsec_t fsec;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
lowunits = downcase_truncate_identifier(VARDATA(units),
@@ -3755,7 +3721,7 @@ static TimestampTz
timestamp2timestamptz(Timestamp timestamp)
{
TimestampTz result;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
int tz;
@@ -3788,7 +3754,7 @@ timestamptz_timestamp(PG_FUNCTION_ARGS)
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Timestamp result;
- struct tm tt,
+ struct pg_tm tt,
*tm = &tt;
fsec_t fsec;
char *tzn;
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-12 10:18:03 +0000