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Consider leap years, as per PR 5830 by Joseph Myers <jsm28@cam.ac.uk>

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This commit is contained in:
hubertf 1998-07-24 23:18:07 +00:00
parent 9c30da9453
commit c81bbf322f
1 changed files with 6 additions and 4 deletions
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10
games/adventure/wizard.c
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@ -1,4 +1,4 @@
/* $NetBSD: wizard.c,v 1.6 1997/10/11 01:53:40 lukem Exp $ */
/* $NetBSD: wizard.c,v 1.7 1998/07/24 23:18:07 hubertf Exp $ */
/*-
* Copyright (c) 1991, 1993
@ -43,7 +43,7 @@
#if 0
static char sccsid[] = "@(#)wizard.c 8.1 (Berkeley) 6/2/93";
#else
__RCSID("$NetBSD: wizard.c,v 1.6 1997/10/11 01:53:40 lukem Exp $");
__RCSID("$NetBSD: wizard.c,v 1.7 1998/07/24 23:18:07 hubertf Exp $");
#endif
#endif /* not lint */
@ -66,8 +66,10 @@ datime(d, t)
time(&tvec);
tptr = localtime(&tvec);
/* day since 1977 (mod leap) */
*d = tptr->tm_yday + 365 * (tptr->tm_year - 77);
/* bug: this will overflow in the year 2066 AD */
*d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
+ (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
+ (tptr->tm_year + 299) / 400);
/* bug: this will overflow in the year 2066 AD (with 16 bit int) */
/* it will be attributed to Wm the C's millenial celebration */
/* and minutes since midnite */
*t = tptr->tm_hour * 60 + tptr->tm_min;