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[selfforum.git] / selfforum-cgi / shared / Id.pm

diff --git a/selfforum-cgi/shared/Id.pm b/selfforum-cgi/shared/Id.pm
index 480a57e2da7ff21179a7f10ca9482e4f3736ff2b..4d0914332a6a106a9f95e2611d6daf7da44be668 100644 (file)
--- a/selfforum-cgi/shared/Id.pm
+++ b/selfforum-cgi/shared/Id.pm
@@ -4,7 +4,7 @@ package Id;
 #                                                                              #
 # File:        shared/Id.pm                                                    #
 #                                                                              #
 #                                                                              #
 # File:        shared/Id.pm                                                    #
 #                                                                              #

-# Authors:     André Malo <nd@o3media.de>, 2001-05-03                          #
+# Authors:     André Malo <nd@o3media.de>                                      #

 #                                                                              #
 # Description: compose an unique ID (in CGI context)                           #
 #                                                                              #
 #                                                                              #
 # Description: compose an unique ID (in CGI context)                           #
 #                                                                              #


@@ -16,6 +16,16 @@ use vars qw(
   @EXPORT
 );
 
   @EXPORT
 );
 

+################################################################################
+#
+# Version check
+#
+# last modified:
+#    $Date$ (GMT)
+# by $Author$
+#
+sub VERSION {(q$Revision$ =~ /([\d.]+)\s*$/)[0] or '0.0'}
+

 ################################################################################
 #
 # Export
 ################################################################################
 #
 # Export


@@ -59,6 +69,8 @@ sub unique_id () {
 #
 sub to_base64 ($) {
   my $x = shift;
 #
 sub to_base64 ($) {
   my $x = shift;

+  return '' unless defined $x;
+

   my $y = $table[$x % 64];
 
   $y = $table[$x % 64].$y while ($x = int ($x/64));
   my $y = $table[$x % 64];
 
   $y = $table[$x % 64].$y while ($x = int ($x/64));


@@ -79,7 +91,7 @@ BEGIN {
   );
 }
 
   );
 }
 

-# keep require happy
+# keep 'require' happy

 1;
 
 #
 1;
 
 #