net/imap: Fix ArgumentError in send_string_data

Thanks to ShockwaveNN (Pavel Lobashov) for reporting the bug.
[ruby-core:86990] [Bug #14750]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 7 deletions

diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index b42186dce0..61ce520177 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -1325,11 +1325,11 @@ module Net
       when nil
         put_string("NIL")
       when String
-        send_string_data(data)
+        send_string_data(data, tag)
       when Integer
         send_number_data(data)
       when Array
-        send_list_data(data)
+        send_list_data(data, tag)
       when Time
         send_time_data(data)
       when Symbol
@@ -1339,13 +1339,13 @@ module Net
       end
     end
 
-    def send_string_data(str)
+    def send_string_data(str, tag = nil)
       case str
       when ""
         put_string('""')
       when /[\x80-\xff\r\n]/n
         # literal
-        send_literal(str)
+        send_literal(str, tag)
       when /[(){ \x00-\x1f\x7f%*"\\]/n
         # quoted string
         send_quoted_string(str)
@@ -1358,7 +1358,7 @@ module Net
       put_string('"' + str.gsub(/["\\]/n, "\\\\\\&") + '"')
     end
 
-    def send_literal(str, tag)
+    def send_literal(str, tag = nil)
       synchronize do
         put_string("{" + str.bytesize.to_s + "}" + CRLF)
         @continued_command_tag = tag
@@ -1379,7 +1379,7 @@ module Net
       put_string(num.to_s)
     end
 
-    def send_list_data(list)
+    def send_list_data(list, tag = nil)
       put_string("(")
       first = true
       list.each do |i|
@@ -1388,7 +1388,7 @@ module Net
         else
           put_string(" ")
         end
-        send_data(i)
+        send_data(i, tag)
       end
       put_string(")")
     end