Added default blocksize to Net::FTP#getbinaryfile

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@897 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/ftp.rb

@@ -25,6 +25,8 @@ class FTP
 
     FTP_PORT = 21
     CRLF = "\r\n"
+
+    DEFAULT_BLOCKSIZE = 4096
 
     attr_accessor :passive, :return_code, :debug_mode, :resume
     attr_reader :welcome, :lastresp
@@ -338,7 +340,8 @@ def storlines(cmd, file, callback = nil)
       end
     end
 
-    def getbinaryfile(remotefile, localfile, blocksize, callback = nil)
+    def getbinaryfile(remotefile, localfile,
+		      blocksize = DEFAULT_BLOCKSIZE, callback = nil)
       if iterator?
 	callback = Proc.new
       end
@@ -378,7 +381,8 @@ def gettextfile(remotefile, localfile, callback = nil)
       end
     end
 
-    def putbinaryfile(localfile, remotefile, blocksize = 4096, callback = nil)
+    def putbinaryfile(localfile, remotefile,
+		      blocksize = DEFAULT_BLOCKSIZE, callback = nil)
       if iterator?
 	callback = Proc.new
       end