* lib/resolv.rb: fall back if canonicalization fails.

  Thanks Vit Ondruch for the patch!  [ruby-core:65836]

* test/resolv/test_dns.rb: test for patch

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/resolv.rb b/lib/resolv.rb
index 293e559acf..c19aeacd05 100644
--- a/lib/resolv.rb
+++ b/lib/resolv.rb
@@ -1066,6 +1066,10 @@ class Resolv
             candidates = []
           end
           candidates.concat(@search.map {|domain| Name.new(name.to_a + domain)})
+          fname = Name.create("#{name}.")
+          if !candidates.include?(fname)
+            candidates << fname
+          end
         end
         return candidates
       end