net/protocol.rb: kwargs

* lib/net/protocol.rb (Net::BufferedIO#initialize): add keyword
  arguments for initial attributes.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56779 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/ftp.rb

@@ -446,8 +446,7 @@ module Net
           if !resp.start_with?("1")
             raise FTPReplyError, resp
           end
-          conn = BufferedSocket.new(sock.accept)
+          conn = BufferedSocket.new(sock.accept, read_timeout: @read_timeout)
-          conn.read_timeout = @read_timeout
           sock.shutdown(Socket::SHUT_WR) rescue nil
           sock.read rescue nil
         ensure

lib/net/http.rb

@@ -925,10 +925,9 @@ module Net   #:nodoc:
         s.sync_close = true
         D "SSL established"
       end
-      @socket = BufferedIO.new(s)
+      @socket = BufferedIO.new(s, read_timeout: @read_timeout,
-      @socket.read_timeout = @read_timeout
+                               continue_timeout: @continue_timeout,
-      @socket.continue_timeout = @continue_timeout
+                               debug_output: @debug_output)
-      @socket.debug_output = @debug_output
       if use_ssl?
         begin
           if proxy?

lib/net/pop.rb

@@ -555,10 +555,10 @@ module Net
           s.post_connection_check(@address)
         end
       end
-      @socket = InternetMessageIO.new(s)
+      @socket = InternetMessageIO.new(s,
+                                      read_timeout: @read_timeout,
+                                      debug_output: @debug_output)
       logging "POP session started: #{@address}:#{@port} (#{@apop ? 'APOP' : 'POP'})"
-      @socket.read_timeout = @read_timeout
-      @socket.debug_output = @debug_output
       on_connect
       @command = POP3Command.new(@socket)
       if apop?

lib/net/protocol.rb

@@ -79,11 +79,11 @@ module Net # :nodoc:
 
 
   class BufferedIO   #:nodoc: internal use only
-    def initialize(io)
+    def initialize(io, read_timeout: 60, continue_timeout: nil, debug_output: nil)
       @io = io
-      @read_timeout = 60
+      @read_timeout = read_timeout
-      @continue_timeout = nil
+      @continue_timeout = continue_timeout
-      @debug_output = nil
+      @debug_output = debug_output
       @rbuf = ''
     end
 
@@ -254,7 +254,7 @@ module Net # :nodoc:
 
 
   class InternetMessageIO < BufferedIO   #:nodoc: internal use only
-    def initialize(io)
+    def initialize(*)
       super
       @wbuf = nil
     end

lib/net/smtp.rb

@@ -592,10 +592,8 @@ module Net
     end
 
     def new_internet_message_io(s)
-      io = InternetMessageIO.new(s)
+      InternetMessageIO.new(s, read_timeout: @read_timeout,
-      io.read_timeout = @read_timeout
+                            debug_output: @debug_output)
-      io.debug_output = @debug_output
-      io
     end
 
     def do_helo(helo_domain)