- $SEC = 1;
- $MIN = 60 * $SEC;
- $HR = 60 * $MIN;
- $DAYS = 24 * $HR;
- $YearFix = ((gmtime(946684800))[5] == 100) ? 100 : 0;
- 1;
-}
-
-sub timegm {
- package timelocal;
-
- local($[) = 0;
- $ym = pack(C2, @_[5,4]);
- $cheat = $cheat{$ym} || &cheat;
- return -1 if $cheat<0;
- $cheat + $_[0] * $SEC + $_[1] * $MIN + $_[2] * $HR + ($_[3]-1) * $DAYS;
-}
-
-sub timelocal {
- package timelocal;
-
- local($[) = 0;
- $time = &main'timegm + $tzmin*$MIN;
- return -1 if $cheat<0;
- @test = localtime($time);
- $time -= $HR if $test[2] != $_[2];
- $time;
-}
-
-package timelocal;
-
-sub cheat {
- $year = $_[5];
- $month = $_[4];
- die "Month out of range 0..11 in timelocal.pl\n"
- if $month > 11 || $month < 0;
- die "Day out of range 1..31 in timelocal.pl\n"
- if $_[3] > 31 || $_[3] < 1;
- die "Hour out of range 0..23 in timelocal.pl\n"
- if $_[2] > 23 || $_[2] < 0;
- die "Minute out of range 0..59 in timelocal.pl\n"
- if $_[1] > 59 || $_[1] < 0;
- die "Second out of range 0..59 in timelocal.pl\n"
- if $_[0] > 59 || $_[0] < 0;
- $guess = $^T;
- @g = gmtime($guess);
- $year += $YearFix if $year < $epoch[5];
- $lastguess = "";
- while ($diff = $year - $g[5]) {
- $guess += $diff * (363 * $DAYS);
- @g = gmtime($guess);
- if (($thisguess = "@g") eq $lastguess){
- return -1; #date beyond this machine's integer limit
- }
- $lastguess = $thisguess;
- }
- while ($diff = $month - $g[4]) {
- $guess += $diff * (27 * $DAYS);
- @g = gmtime($guess);
- if (($thisguess = "@g") eq $lastguess){
- return -1; #date beyond this machine's integer limit
- }
- $lastguess = $thisguess;
- }
- @gfake = gmtime($guess-1); #still being sceptic
- if ("@gfake" eq $lastguess){
- return -1; #date beyond this machine's integer limit
- }
- $g[3]--;
- $guess -= $g[0] * $SEC + $g[1] * $MIN + $g[2] * $HR + $g[3] * $DAYS;
- $cheat{$ym} = $guess;
-}