[src/trunk]: src/gnu/usr.bin/tar Fix Y2K bug in date parser reported by Trevi...

[tron <tron%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5129be99fb10
branches:  trunk
changeset: 480167:5129be99fb10
user:      tron <tron%NetBSD.org@localhost>
date:      Wed Jan 05 21:34:11 2000 +0000

description:
Fix Y2K bug in date parser reported by Trevin Beattie in PR y2k/9123.

diffstat:

 gnu/usr.bin/tar/getdate.y |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (36 lines):

diff -r a31206914680 -r 5129be99fb10 gnu/usr.bin/tar/getdate.y
--- a/gnu/usr.bin/tar/getdate.y Wed Jan 05 19:50:05 2000 +0000
+++ b/gnu/usr.bin/tar/getdate.y Wed Jan 05 21:34:11 2000 +0000
@@ -1,5 +1,5 @@
 %{
-/*  $NetBSD: getdate.y,v 1.4 1998/01/05 04:54:16 perry Exp $
+/*  $NetBSD: getdate.y,v 1.5 2000/01/05 21:34:11 tron Exp $
 **
 **  Originally written by Steven M. Bellovin <smb%research.att.com@localhost> while
 **  at the University of North Carolina at Chapel Hill.  Later tweaked by
@@ -98,7 +98,7 @@
 
 #if    !defined(lint) && !defined(SABER)
 static char RCS[] =
-       "$NetBSD: getdate.y,v 1.4 1998/01/05 04:54:16 perry Exp $";
+       "$NetBSD: getdate.y,v 1.5 2000/01/05 21:34:11 tron Exp $";
 #endif /* !defined(lint) && !defined(SABER) */
 
 
@@ -612,11 +612,14 @@
 
     if (Year < 0)
        Year = -Year;
-    if (Year < 100)
+    if (Year < 100) {
        Year += 1900;
+       if (Year < EPOCH)
+           Year += 100;
+    }
     DaysInMonth[1] = Year % 4 == 0 && (Year % 100 != 0 || Year % 400 == 0)
                    ? 29 : 28;
-    if (Year < EPOCH || Year > 1999
+    if (Year < EPOCH || Year > 9999
      || Month < 1 || Month > 12
      /* Lint fluff:  "conversion from long may lose accuracy" */
      || Day < 1 || Day > DaysInMonth[(int)--Month])