File perl-fix2020.patch of Package perl.25784

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File perl-fix2020.patch of Package perl.25784

submitted upstream

Author: Bernhard M. Wiedemann <bwiedemann suse de>
Date: 2018-03-18
Subject: fix calls of timelocal to work after 2019

because year 70 then starts to mean 2070

https://bugzilla.opensuse.org/show_bug.cgi?id=1102840 trackerbug: build fails at
 some time
https://rt.perl.org/Ticket/Display.html?id=132896 perl Net::NNTP
https://rt.perl.org/Ticket/Display.html?id=132898 perl Net::FTP => https://rt.cp
an.org/Public/Bug/Display.html?id=124534
https://rt.perl.org/Ticket/Display.html?id=132897 perl doc

--- ./cpan/Time-Local/t/Local.t.orig	2020-02-05 14:40:00.406521792 +0000
+++ ./cpan/Time-Local/t/Local.t	2020-02-05 15:20:34.648804873 +0000
@@ -96,8 +96,7 @@ SKIP: {
 
         # Test timelocal()
         {
-            my $year_in = $year < 70 ? $year + 1900 : $year;
-            my $time = timelocal( $sec, $min, $hour, $mday, $mon, $year_in );
+            my $time = timelocal( $sec, $min, $hour, $mday, $mon, $year + 1900 );
 
             my ( $s, $m, $h, $D, $M, $Y ) = localtime($time);
 
@@ -111,8 +110,7 @@ SKIP: {
 
         # Test timegm()
         {
-            my $year_in = $year < 70 ? $year + 1900 : $year;
-            my $time = timegm( $sec, $min, $hour, $mday, $mon, $year_in );
+            my $time = timegm( $sec, $min, $hour, $mday, $mon, $year + 1900 );
 
             my ( $s, $m, $h, $D, $M, $Y ) = gmtime($time);
 
@@ -138,19 +136,19 @@ for (@bad_time) {
 
 {
     is(
-        timelocal( 0, 0, 1, 1, 0, 90 ) - timelocal( 0, 0, 0, 1, 0, 90 ), 3600,
+        timelocal( 0, 0, 1, 1, 0, 1990 ) - timelocal( 0, 0, 0, 1, 0, 1990 ), 3600,
         'one hour difference between two calls to timelocal'
     );
 
     is(
-        timelocal( 1, 2, 3, 1, 0, 100 ) - timelocal( 1, 2, 3, 31, 11, 99 ),
+        timelocal( 1, 2, 3, 1, 0, 2000 ) - timelocal( 1, 2, 3, 31, 11, 1999 ),
         24 * 3600,
         'one day difference between two calls to timelocal'
     );
 
     # Diff beween Jan 1, 1980 and Mar 1, 1980 = (31 + 29 = 60 days)
     is(
-        timegm( 0, 0, 0, 1, 2, 80 ) - timegm( 0, 0, 0, 1, 0, 80 ),
+        timegm( 0, 0, 0, 1, 2, 1980 ) - timegm( 0, 0, 0, 1, 0, 1980 ),
         60 * 24 * 3600,
         '60 day difference between two calls to timegm'
     );
@@ -162,7 +160,7 @@ for (@bad_time) {
 # treated like 03:00:00 rather than 01:00:00 - negative zone offsets used
 # to do the latter
 {
-    my $hour = ( localtime( timelocal( 0, 0, 2, 7, 3, 102 ) ) )[2];
+    my $hour = ( localtime( timelocal( 0, 0, 2, 7, 3, 2002 ) ) )[2];
 
     # testers in US/Pacific should get 3,
     # other testers should get 2
--- ./cpan/libnet/lib/Net/FTP.pm.orig	2017-07-18 22:49:51.000000000 +0000
+++ ./cpan/libnet/lib/Net/FTP.pm	2020-02-05 14:40:00.406521792 +0000
@@ -264,7 +264,7 @@ sub mdtm {
 
   $ftp->_MDTM($file)
     && $ftp->message =~ /((\d\d)(\d\d\d?))(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/
-    ? timegm($8, $7, $6, $5, $4 - 1, $2 eq '19' ? $3 : ($1 - 1900))
+    ? timegm($8, $7, $6, $5, $4 - 1, $2 eq '19' ? ($3 + 1900) : $1)
     : undef;
 }
 
--- ./cpan/libnet/lib/Net/NNTP.pm.orig	2017-07-18 22:49:51.000000000 +0000
+++ ./cpan/libnet/lib/Net/NNTP.pm	2020-02-05 14:40:00.406521792 +0000
@@ -598,7 +598,7 @@ sub date {
 
   $nntp->_DATE
     && $nntp->message =~ /(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/
-    ? timegm($6, $5, $4, $3, $2 - 1, $1 - 1900)
+    ? timegm($6, $5, $4, $3, $2 - 1, $1)
     : undef;
 }
 
--- ./pod/perlport.pod.orig	2020-02-05 14:45:01.949813224 +0000
+++ ./pod/perlport.pod	2020-02-05 14:40:00.406521792 +0000
@@ -670,7 +670,7 @@ When calculating specific times, such as
 it may be appropriate to calculate an offset for the epoch.
 
     use Time::Local qw(timegm);
-    my $offset = timegm(0, 0, 0, 1, 0, 70);
+    my $offset = timegm(0, 0, 0, 1, 0, 1970);
 
 The value for C<$offset> in Unix will be C<0>, but in Mac OS Classic
 will be some large number.  C<$offset> can then be added to a Unix time

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