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Allow --newer and friends to handle dates beyond 1999/12/31

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This commit is contained in:
danny 1999-01-12 18:43:38 +00:00
parent a0cb59d569
commit c4e1dcd27e
1 changed files with 10 additions and 5 deletions
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15
gnu/usr.bin/tar/getdate.y
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@ -1,5 +1,5 @@
%{
/* $Revision: 1.2 $
/* $Revision: 1.3 $
**
** Originally written by Steven M. Bellovin <smb@research.att.com> while
** at the University of North Carolina at Chapel Hill. Later tweaked by
@ -98,7 +98,7 @@ extern struct tm *localtime();
#if !defined(lint) && !defined(SABER)
static char RCS[] =
"$Header: /home/ncvs/src/gnu/usr.bin/tar/getdate.y,v 1.2 1994/11/04 02:12:22 jkh Exp $";
"$Header: /home/ncvs/src/gnu/usr.bin/tar/getdate.y,v 1.3 1998/01/05 11:32:38 danny Exp $";
#endif /* !defined(lint) && !defined(SABER) */
@ -613,11 +613,16 @@ Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode)
if (Year < 0)
Year = -Year;
if (Year < 100)
/* Real horrible stuff here. Think of something better by 2037 */
if (Year > 37 && Year < 100)
Year += 1900;
else if (Year < 38)
Year += 2000;
DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
? 29 : 28;
if (Year < EPOCH || Year > 1999
if (Year < EPOCH || Year > 2037 /* Code not valid past 2037 */
|| Month < 1 || Month > 12
/* Lint fluff: "conversion from long may lose accuracy" */
|| Day < 1 || Day > DaysInMonth[(int)--Month])
@ -626,7 +631,7 @@ Convert(Month, Day, Year, Hours, Minutes, Seconds, Meridian, DSTmode)
for (Julian = Day - 1, i = 0; i < Month; i++)
Julian += DaysInMonth[i];
for (i = EPOCH; i < Year; i++)
Julian += 365 + (i % 4 == 0);
Julian += 365 + (i % 4 == 0); /* Code not valid in 2100 */
Julian *= SECSPERDAY;
Julian += yyTimezone * 60L;
if ((tod = ToSeconds(Hours, Minutes, Seconds, Meridian)) < 0)