X-Git-Url: https://git.p6c8.net/selfforum.git/blobdiff_plain/7b4499e347dfca2b50bfa1d8a0c6ca1419976fbc..f3e4ec2c7444625d5881d373ef0cfa9b405b771b:/selfforum-cgi/shared/CheckRFC.pm

diff --git a/selfforum-cgi/shared/CheckRFC.pm b/selfforum-cgi/shared/CheckRFC.pm
index d1731d2..b43d723 100644
--- a/selfforum-cgi/shared/CheckRFC.pm
+++ b/selfforum-cgi/shared/CheckRFC.pm
@@ -4,7 +4,7 @@ package CheckRFC;
 #                                                                              #
 # File:        shared/CheckRFC.pm                                              #
 #                                                                              #
-# Authors:     Andre Malo       <nd@o3media.de>, 2001-04-14                    #
+# Authors:     André Malo <nd@o3media.de>                                      #
 #                                                                              #
 # Description: implement several string checks on RFC correctness              #
 #                                                                              #
@@ -17,7 +17,6 @@ use vars qw(
   @email
   @EXPORT
   @ISA
-  $VERSION
 );
 
 $v56 = eval q[
@@ -27,9 +26,15 @@ $v56 = eval q[
 
 use Carp qw(croak);
 
+################################################################################
+#
 # Version check
 #
-$VERSION = do { my @r =(q$Revision$ =~ /\d+/g); sprintf "%d."."%02d" x $#r, @r };
+# last modified:
+#    $Date$ (GMT)
+# by $Author$
+#
+sub VERSION {(q$Revision$ =~ /([\d.]+)\s*$/)[0] or '0.0'}
 
 ################################################################################
 #
@@ -56,8 +61,9 @@ require Exporter;
 #
 # Return: Status code (Bool)
 #
-sub is_URL ($@) {
+sub is_URL (;$@) {
   my ($string, @schemes) = @_;
+  $string = $_ unless defined $string;
   my $scheme;
 
   return unless (defined ($string) and length ($string));
@@ -96,8 +102,11 @@ sub is_URL ($@) {
 #
 # Return: Status code (Bool)
 #
-sub is_email ($;$) {
+sub is_email (;$$) {
   my $string = shift;
+  $string = $_ unless defined $string;
+  return unless defined $string;
+
   my $strict = shift;
 
   # false if any non-ascii chars
@@ -106,8 +115,6 @@ sub is_email ($;$) {
 
   # remove nested comments
   1 while ($string =~ s/\([^()]*\)//g);
-  #$string =~ s/^\s+//;
-  #$string =~ s/\s+$//;
 
   return ($string =~ /^$email[0]$/) unless $strict;
 
@@ -307,7 +314,7 @@ BEGIN {
   }
 }
 
-# keeping require happy
+# keep 'require' happy
 1;
 
 #