* lib/resolv-replace.rb: suppress warning.

* lib/open-uri.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29633 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 3 insertions, 4 deletions

diff --git a/lib/open-uri.rb b/lib/open-uri.rb
index 6706068300..c8393fa437 100644
--- a/lib/open-uri.rb
+++ b/lib/open-uri.rb
@@ -126,7 +126,7 @@ module OpenURI
 
   def OpenURI.open_uri(name, *rest) # :nodoc:
     uri = URI::Generic === name ? name : URI.parse(name)
-    mode, perm, rest = OpenURI.scan_open_optional_arguments(*rest)
+    mode, _, rest = OpenURI.scan_open_optional_arguments(*rest)
     options = rest.shift if !rest.empty? && Hash === rest.first
     raise ArgumentError.new("extra arguments") if !rest.empty?
     options ||= {}
@@ -480,7 +480,7 @@ module OpenURI
     # It is downcased for canonicalization.
     # Content-Type parameters are stripped.
     def content_type
-      type, *parameters = content_type_parse
+      type, *_ = content_type_parse
       type || 'application/octet-stream'
     end
 
@@ -712,7 +712,7 @@ module URI
         when 0 # no proxy setting anyway.
           proxy_uri = nil
         when 1
-          k, v = pairs.shift
+          k, _ = pairs.shift
           if k == 'http_proxy' && ENV[k.upcase] == nil
             # http_proxy is safe to use because ENV is case sensitive.
             proxy_uri = ENV[name]
diff --git a/lib/resolv-replace.rb b/lib/resolv-replace.rb
index b63eae8f02..ff34f90db4 100644
--- a/lib/resolv-replace.rb
+++ b/lib/resolv-replace.rb
@@ -51,7 +51,6 @@ class UDPSocket < IPSocket
       rescue Resolv::ResolvError
         raise SocketError, "Hostname not known: #{host}"
       end
-      err = nil
       addrs[0...-1].each {|addr|
         begin
           return original_resolv_send(mesg, flags, addr, port)