--- loncom/lonnet/perl/lonnet.pm	2007/05/17 09:25:31	1.878
+++ loncom/lonnet/perl/lonnet.pm	2007/05/22 21:56:32	1.880
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.878 2007/05/17 09:25:31 foxr Exp $
+# $Id: lonnet.pm,v 1.880 2007/05/22 21:56:32 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -770,7 +770,7 @@ sub get_dom {
         }
         return %returnhash;
     } else {
-        &logthis("get_dom failed - no homeserver and/or domain");
+        &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)");
     }
 }
 
@@ -5977,7 +5977,21 @@ sub get_userresdata {
     }
     return $tmp;
 }
-
+#----------------------------------------------- resdata - return resource data
+#  Purpose:
+#    Return resource data for either users or for a course.
+#  Parameters:
+#     $name      - Course/user name.
+#     $domain    - Name of the domain the user/course is registered on.
+#     $type      - Type of thing $name is (must be 'course' or 'user'
+#     @which     - Array of names of resources desired.
+#  Returns:
+#     The value of the first reasource in @which that is found in the
+#     resource hash.
+#  Exceptional Conditions:
+#     If the $type passed in is not valid (not the string 'course' or 
+#     'user', an undefined  reference is returned.
+#     If none of the resources are found, an undef is returned
 sub resdata {
     my ($name,$domain,$type,@which)=@_;
     my $result;