multiple arguments to write

Make write methods of IO-like objects accept multiple arguments,
as well as IO#write.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60383 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/openssl/lib/openssl/buffering.rb

@@ -339,7 +339,8 @@ module OpenSSL::Buffering
   # Writes _s_ to the stream.  If the argument is not a String it will be
   # converted using +.to_s+ method.  Returns the number of bytes written.
 
-  def write(s)
+  def write(*s)
+    s = s.size == 1 ? s[0] : s.join("")
     do_write(s)
     s.bytesize
   end

test/lib/envutil.rb

@@ -160,7 +160,7 @@ module EnvUtil
 
   def verbose_warning
     class << (stderr = "".dup)
-      alias write <<
+      alias write concat
     end
     stderr, $stderr, verbose, $VERBOSE = $stderr, stderr, $VERBOSE, true
     yield stderr

test/logger/test_logdevice.rb

@@ -75,7 +75,7 @@ class TestLogDevice < Test::Unit::TestCase
     #
     logdev = d(LogExcnRaiser.new)
     class << (stderr = '')
-      alias write <<
+      alias write concat
     end
     $stderr, stderr = stderr, $stderr
     begin

test/mkmf/base.rb

@@ -49,11 +49,11 @@ module TestMkmf::Base
     def filter(&block)
       @filter = block
     end
-    def write(s)
+    def write(*s)
       if @out
-        @buffer << s
+        @buffer.concat(*s)
       elsif @origin
-        @origin << s
+        @origin.write(*s)
       end
     end
   end

test/optparse/test_autoconf.rb

@@ -14,7 +14,7 @@ class TestOptionParser::AutoConf < Test::Unit::TestCase
   end
 
   class DummyOutput < String
-    alias write <<
+    alias write concat
   end
   def no_error(*args)
     $stderr, stderr = DummyOutput.new, $stderr

test/optparse/test_kwargs.rb

@@ -14,7 +14,7 @@ class TestOptionParser::KwArg < Test::Unit::TestCase
   end
 
   class DummyOutput < String
-    alias write <<
+    alias write concat
   end
   def assert_no_error(*args)
     $stderr, stderr = DummyOutput.new, $stderr

test/optparse/test_optparse.rb

@@ -9,7 +9,7 @@ class TestOptionParser < Test::Unit::TestCase
   end
 
   class DummyOutput < String
-    alias write <<
+    alias write concat
   end
   def assert_no_error(*args)
     $stderr, stderr = DummyOutput.new, $stderr