dt.c.patch

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File	+	−
dt.c	58	19

*** dt.c.orig	Mon Jan  4 17:43:25 1999
--- dt.c	Sat Jan  9 18:24:29 1999
***************
*** 2839,2850 ****
  			case DTK_NUMBER:
  				flen = strlen(field[i]);
  
! 				if (flen > 4)
  				{
  					if (DecodeNumberField(flen, field[i], fmask, &tmask, tm, fsec) != 0)
  						return -1;
  
  				}
  				else
  				{
  					if (DecodeNumber(flen, field[i], fmask, &tmask, tm, fsec) != 0)
--- 2839,2853 ----
  			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... */
! 				if ((flen > 4) && !((fmask & DTK_DATE_M) && (fmask & DTK_TIME_M)))
  				{
  					if (DecodeNumberField(flen, field[i], fmask, &tmask, tm, fsec) != 0)
  						return -1;
  
  				}
+ 				/* otherwise it is a single date/time field... */
  				else
  				{
  					if (DecodeNumber(flen, field[i], fmask, &tmask, tm, fsec) != 0)
***************
*** 3000,3006 ****
  
  	/* there is no year zero in AD/BC notation; i.e. "1 BC" == year 0 */
  	if (bc)
! 		tm->tm_year = -(tm->tm_year - 1);
  
  	if ((mer != HR24) && (tm->tm_hour > 12))
  		return -1;
--- 3003,3014 ----
  
  	/* there is no year zero in AD/BC notation; i.e. "1 BC" == year 0 */
  	if (bc)
! 	{
! 		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);
! 	}
  
  	if ((mer != HR24) && (tm->tm_hour > 12))
  		return -1;
***************
*** 3375,3382 ****
  	printf("DecodeNumber- %s is %d fmask=%08x tmask=%08x\n", str, val, fmask, *tmask);
  #endif
  
! 	/* enough digits to be unequivocal year? */
! 	if (flen == 4)
  	{
  #ifdef DATEDEBUG
  		printf("DecodeNumber- match %d (%s) as year\n", val, str);
--- 3383,3405 ----
  	printf("DecodeNumber- %s is %d fmask=%08x tmask=%08x\n", str, val, fmask, *tmask);
  #endif
  
! 	/* Special case day of year? */
! 	if ((flen == 3) && (fmask & DTK_M(YEAR))
! 		&& ((val >= 1) && (val <= 366)))
! 	{
! 		*tmask = (DTK_M(DOY) | DTK_M(MONTH) | DTK_M(DAY));
! 		tm->tm_yday = val;
! 		j2date((date2j(tm->tm_year, 1, 1) + tm->tm_yday - 1),
! 			   &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
! 	 */
! 	else if (flen > 2)
  	{
  #ifdef DATEDEBUG
  		printf("DecodeNumber- match %d (%s) as year\n", val, str);
***************
*** 3399,3416 ****
  
  		tm->tm_year = val;
  
- 		/* special case day of year? */
- 	}
- 	else if ((flen == 3) && (fmask & DTK_M(YEAR))
- 			 && ((val >= 1) && (val <= 366)))
- 	{
- 		*tmask = (DTK_M(DOY) | DTK_M(MONTH) | DTK_M(DAY));
- 		tm->tm_yday = val;
- 		j2date((date2j(tm->tm_year, 1, 1) + tm->tm_yday - 1),
- 			   &tm->tm_year, &tm->tm_mon, &tm->tm_mday);
- 
- 		/* already have year? then could be month */
  	}
  	else if ((fmask & DTK_M(YEAR)) && (!(fmask & DTK_M(MONTH)))
  			 && ((val >= 1) && (val <= 12)))
  	{
--- 3422,3429 ----
  
  		tm->tm_year = val;
  
  	}
+ 	/* already have year? then could be month */
  	else if ((fmask & DTK_M(YEAR)) && (!(fmask & DTK_M(MONTH)))
  			 && ((val >= 1) && (val <= 12)))
  	{
***************
*** 3460,3469 ****
  #endif
  		*tmask = DTK_M(YEAR);
  		tm->tm_year = val;
! 		if (tm->tm_year < 70)
! 			tm->tm_year += 2000;
! 		else if (tm->tm_year < 100)
! 			tm->tm_year += 1900;
  
  	}
  	else
--- 3473,3487 ----
  #endif
  		*tmask = DTK_M(YEAR);
  		tm->tm_year = val;
! 
! 		/* adjust ONLY if exactly two digits... */
! 		if (flen == 2)
! 		{
! 			if (tm->tm_year < 70)
! 				tm->tm_year += 2000;
! 			else if (tm->tm_year < 100)
! 				tm->tm_year += 1900;
! 		}
  
  	}
  	else
***************
*** 3527,3534 ****
--- 3545,3573 ----
  			tm->tm_mon = atoi(str + 2);
  			*(str + 2) = '\0';
  			tm->tm_year = atoi(str + 0);
+ 
+ 			if (tm->tm_year < 70)
+ 				tm->tm_year += 2000;
+ 			else if (tm->tm_year < 100)
+ 				tm->tm_year += 1900;
  		}
  
+ 	}
+ 	else if ((len == 5) && !(fmask & DTK_DATE_M))
+ 	{
+ #ifdef DATEDEBUG
+ 		printf("DecodeNumberField- %s is 5 characters fmask=%08x tmask=%08x\n", str, fmask, *tmask);
+ #endif
+ 		*tmask = DTK_DATE_M;
+ 		tm->tm_mday = atoi(str + 2);
+ 		*(str + 2) = '\0';
+ 		tm->tm_mon = 1;
+ 		tm->tm_year = atoi(str + 0);
+ 
+ 		if (tm->tm_year < 70)
+ 			tm->tm_year += 2000;
+ 		else if (tm->tm_year < 100)
+ 			tm->tm_year += 1900;
  	}
  	else if (strchr(str, '.') != NULL)
  	{