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Diffstat (limited to 'src/backend/utils/adt/dt.c')
-rw-r--r--src/backend/utils/adt/dt.c78
1 files changed, 47 insertions, 31 deletions
diff --git a/src/backend/utils/adt/dt.c b/src/backend/utils/adt/dt.c
index a055a03df80..9fb75cb5687 100644
--- a/src/backend/utils/adt/dt.c
+++ b/src/backend/utils/adt/dt.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.70 1999/05/01 17:14:56 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/dt.c,v 1.71 1999/05/25 16:12:00 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -34,9 +34,9 @@
static int DecodeDate(char *str, int fmask, int *tmask, struct tm * tm);
static int DecodeNumber(int flen, char *field,
- int fmask, int *tmask, struct tm * tm, double *fsec, int *is2digits);
+ int fmask, int *tmask, struct tm * tm, double *fsec, int *is2digits);
static int DecodeNumberField(int len, char *str,
- int fmask, int *tmask, struct tm * tm, double *fsec, int *is2digits);
+ int fmask, int *tmask, struct tm * tm, double *fsec, int *is2digits);
static int DecodeSpecial(int field, char *lowtoken, int *val);
static int DecodeTime(char *str, int fmask, int *tmask,
struct tm * tm, double *fsec);
@@ -55,9 +55,9 @@ static int tm2timespan(struct tm * tm, double fsec, TimeSpan *span);
#define USE_DATE_CACHE 1
#define ROUND_ALL 0
-int day_tab[2][13] = {
+int day_tab[2][13] = {
{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0},
- {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0}};
+{31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 0}};
char *months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
@@ -2090,7 +2090,7 @@ static datetkn datetktbl[] = {
{"idlw", TZ, NEG(72)}, /* Intl. Date Line, West */
{LATE, RESERV, DTK_LATE}, /* "infinity" reserved for "late time" */
{INVALID, RESERV, DTK_INVALID},
- /* "invalid" reserved for invalid time */
+ /* "invalid" reserved for invalid time */
{"ist", TZ, 12}, /* Israel */
{"it", TZ, 21}, /* Iran Time */
{"jan", MONTH, 1},
@@ -2438,7 +2438,7 @@ datetime2tm(DateTime dt, int *tzp, struct tm * tm, double *fsec, char **tzn)
*tzp = -(tm->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
if (tzn != NULL)
- *tzn = (char *)tm->tm_zone;
+ *tzn = (char *) tm->tm_zone;
#elif defined(HAVE_INT_TIMEZONE)
#ifdef __CYGWIN__
*tzp = (tm->tm_isdst ? (_timezone - 3600) : _timezone);
@@ -2833,8 +2833,10 @@ DecodeDateTime(char **field, int *ftype, int nf,
case DTK_NUMBER:
flen = strlen(field[i]);
- /* long numeric string and either no date or no time read yet?
- * then interpret as a concatenated date or time... */
+ /*
+ * long numeric string and either no date or no time read
+ * yet? then interpret as a concatenated date or time...
+ */
if ((flen > 4) && !((fmask & DTK_DATE_M) && (fmask & DTK_TIME_M)))
{
if (DecodeNumberField(flen, field[i], fmask, &tmask, tm, fsec, &is2digits) != 0)
@@ -2926,10 +2928,14 @@ DecodeDateTime(char **field, int *ftype, int nf,
#ifdef DATEDEBUG
printf("DecodeDateTime- month field %s value is %d\n", field[i], val);
#endif
- /* already have a (numeric) month? then see if we can substitute... */
- if ((fmask & DTK_M(MONTH)) && (! haveTextMonth)
- && (!(fmask & DTK_M(DAY)))
- && ((tm->tm_mon >= 1) && (tm->tm_mon <= 31)))
+
+ /*
+ * already have a (numeric) month? then see if we
+ * can substitute...
+ */
+ if ((fmask & DTK_M(MONTH)) && (!haveTextMonth)
+ && (!(fmask & DTK_M(DAY)))
+ && ((tm->tm_mon >= 1) && (tm->tm_mon <= 31)))
{
tm->tm_mday = tm->tm_mon;
tmask = DTK_M(DAY);
@@ -2942,7 +2948,11 @@ DecodeDateTime(char **field, int *ftype, int nf,
break;
case DTZMOD:
- /* daylight savings time modifier (solves "MET DST" syntax) */
+
+ /*
+ * daylight savings time modifier (solves "MET
+ * DST" syntax)
+ */
tmask |= DTK_M(DTZ);
tm->tm_isdst = 1;
if (tzp == NULL)
@@ -3010,7 +3020,7 @@ DecodeDateTime(char **field, int *ftype, int nf,
if (tm->tm_year > 0)
tm->tm_year = -(tm->tm_year - 1);
else
- elog(ERROR,"Inconsistant use of year %04d and 'BC'", tm->tm_year);
+ elog(ERROR, "Inconsistant use of year %04d and 'BC'", tm->tm_year);
}
else if (is2digits)
{
@@ -3039,18 +3049,22 @@ DecodeDateTime(char **field, int *ftype, int nf,
if ((fmask & DTK_DATE_M) != DTK_DATE_M)
return ((fmask & DTK_TIME_M) == DTK_TIME_M) ? 1 : -1;
- /* check for valid day of month, now that we know for sure the month and year... */
+ /*
+ * check for valid day of month, now that we know for sure the
+ * month and year...
+ */
if ((tm->tm_mday < 1)
|| (tm->tm_mday > day_tab[isleap(tm->tm_year)][tm->tm_mon - 1]))
return -1;
/* timezone not specified? then find local timezone if possible */
if (((fmask & DTK_DATE_M) == DTK_DATE_M)
- && (tzp != NULL) && (!(fmask & DTK_M(TZ))))
+ && (tzp != NULL) && (!(fmask & DTK_M(TZ))))
{
+
/*
- * daylight savings time modifier but no standard timezone? then
- * error
+ * daylight savings time modifier but no standard timezone?
+ * then error
*/
if (fmask & DTK_M(DTZMOD))
return -1;
@@ -3066,7 +3080,8 @@ DecodeDateTime(char **field, int *ftype, int nf,
tm->tm_mon += 1;
#if defined(HAVE_TM_ZONE)
- *tzp = -(tm->tm_gmtoff); /* tm_gmtoff is Sun/DEC-ism */
+ *tzp = -(tm->tm_gmtoff); /* tm_gmtoff is
+ * Sun/DEC-ism */
#elif defined(HAVE_INT_TIMEZONE)
#ifdef __CYGWIN__
*tzp = ((tm->tm_isdst > 0) ? (_timezone - 3600) : _timezone);
@@ -3077,7 +3092,7 @@ DecodeDateTime(char **field, int *ftype, int nf,
#error USE_POSIX_TIME is defined but neither HAVE_TM_ZONE or HAVE_INT_TIMEZONE are defined
#endif
-#else /* !USE_POSIX_TIME */
+#else /* !USE_POSIX_TIME */
*tzp = CTimeZone;
#endif
}
@@ -3214,8 +3229,8 @@ DecodeTimeOnly(char **field, int *ftype, int nf, int *dtype, struct tm * tm, dou
tm->tm_hour += 12;
if (((tm->tm_hour < 0) || (tm->tm_hour > 23))
- || ((tm->tm_min < 0) || (tm->tm_min > 59))
- || ((tm->tm_sec < 0) || ((tm->tm_sec + *fsec) >= 60)))
+ || ((tm->tm_min < 0) || (tm->tm_min > 59))
+ || ((tm->tm_sec < 0) || ((tm->tm_sec + *fsec) >= 60)))
return -1;
if ((fmask & DTK_TIME_M) != DTK_TIME_M)
@@ -3344,7 +3359,7 @@ DecodeDate(char *str, int fmask, int *tmask, struct tm * tm)
if (tm->tm_year > 0)
tm->tm_year = -(tm->tm_year - 1);
else
- elog(ERROR,"Inconsistant use of year %04d and 'BC'", tm->tm_year);
+ elog(ERROR, "Inconsistant use of year %04d and 'BC'", tm->tm_year);
}
else if (is2digits)
{
@@ -3449,11 +3464,12 @@ DecodeNumber(int flen, char *str, int fmask,
&tm->tm_year, &tm->tm_mon, &tm->tm_mday);
}
- /* Enough digits to be unequivocal year?
- * Used to test for 4 digits or more,
- * but we now test first for a three-digit doy
- * so anything bigger than two digits had better be
- * an explicit year. - thomas 1999-01-09
+
+ /*
+ * Enough digits to be unequivocal year? Used to test for 4 digits or
+ * more, but we now test first for a three-digit doy so anything
+ * bigger than two digits had better be an explicit year. - thomas
+ * 1999-01-09
*/
else if (flen > 2)
{
@@ -3464,7 +3480,7 @@ DecodeNumber(int flen, char *str, int fmask,
/* already have a year? then see if we can substitute... */
if ((fmask & DTK_M(YEAR)) && (!(fmask & DTK_M(DAY)))
- && ((tm->tm_year >= 1) && (tm->tm_year <= 31)))
+ && ((tm->tm_year >= 1) && (tm->tm_year <= 31)))
{
tm->tm_mday = tm->tm_year;
*tmask = DTK_M(DAY);
@@ -3543,7 +3559,7 @@ DecodeNumber(int flen, char *str, int fmask,
*/
static int
DecodeNumberField(int len, char *str, int fmask,
- int *tmask, struct tm * tm, double *fsec, int *is2digits)
+ int *tmask, struct tm * tm, double *fsec, int *is2digits)
{
char *cp;
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-09 05:22:29 +0000