added extra validation to the year. need my own routine.

[spider.git] / perl / DXUtil.pm

diff --git a/perl/DXUtil.pm b/perl/DXUtil.pm
index 994cdd981a735c4753aeedbedac8c46d08b1ea82..fe82721e16c04e5bdf0095eb56f347b5a3e6609d 100644 (file)
--- a/perl/DXUtil.pm
+++ b/perl/DXUtil.pm
@@ -64,8 +64,13 @@ sub cltounix
 {
        my $date = shift;
        my $time = shift;
-       $date =~ s/^\s*(\d+)-(\w\w\w)-(19\d\d)$/$1 $2 $3/;
-       $time =~ s/^(\d\d)(\d\d)Z$/$1:$2 +0000/;
+       my ($thisyear) = (gmtime)[5] + 1900;
+
+       return 0 unless $date =~ /^\s*(\d+)-(\w\w\w)-([12][90]\d\d)$/;
+       return 0 unless abs($thisyear-$3) <= 1;
+       $date = "$1 $2 $3";
+       return 0 unless $time =~ /^([012]\d)([012345]\d)Z$/;
+       $time = "$1:$2 +0000";
        return str2time("$date $time");
 }