Commit791822e

Thomas G. Lockhart

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Clean up leap year support and date/time validation.

Move declarations to allow sharing between modules.

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+24

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+24

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Lines changed: 24 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`* Copyright (c) 1994, Regents of the University of California`
`10`	`10`	`*`
`11`		`- * $Id: dt.h,v 1.33 1998/10/08 18:30:50 momjian Exp $`
	`11`	`+ * $Id: dt.h,v 1.34 1999/01/20 16:26:45 thomas Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -261,6 +261,29 @@ extern intdatetime_is_epoch(double j);`
`261`	`261`	`#defineTIME_PREC_INV 1000000.0`
`262`	`262`	`#defineJROUND(j) (rint(((double) (j))*TIME_PREC_INV)/TIME_PREC_INV)`
`263`	`263`
	`264`	`+`
	`265`	`+/*`
	`266`	`+ * Date/time validation`
	`267`	`+ * Include check for leap year.`
	`268`	`+ */`
	`269`	`+`
	`270`	`+externintday_tab[2][13];`
	`271`	`+`
	`272`	`+#defineisleap(y) (((y % 4) == 0 && (y % 100) != 0) \|\| (y % 400) == 0)`
	`273`	`+`
	`274`	`+/* Julian date support for date2j() and j2date()`
	`275`	`+ * Set the minimum year to one greater than the year of the first valid day`
	`276`	`+ * to avoid having to check year and day both. - tgl 97/05/08`
	`277`	`+ */`
	`278`	`+`
	`279`	`+#defineJULIAN_MINYEAR (-4713)`
	`280`	`+#defineJULIAN_MINMONTH (11)`
	`281`	`+#defineJULIAN_MINDAY (23)`
	`282`	`+`
	`283`	`+#defineIS_VALID_JULIAN(y,m,d) ((y > JULIAN_MINYEAR) \`
	`284`	`+ \|\| ((y == JULIAN_MINYEAR) && ((m > JULIAN_MINMONTH) \`
	`285`	`+ \|\| ((m == JULIAN_MINMONTH) && (d >= JULIAN_MINDAY)))))`
	`286`	`+`
`264`	`287`	`/*`
`265`	`288`	`* dt.c prototypes`
`266`	`289`	`*/`

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