* eval.c (proc_invoke): copy arguments to frame.argv.

[ruby-core:03861]

* object.c (convert_type): use rb_respond_to() again.
  [ruby-dev:25021]

* eval.c (rb_respond_to): funcall respond_to? if it's redefined.
  [ruby-dev:25021]

* io.c (rb_file_initialize): [ruby-dev:25032]

* lib/ostruct.rb (OpenStruct::Marshaler): OpenStruct can be
  marshaled again.  [ruby-core:03862]

* io.c (rb_io_ctl): [ruby-dev:25019]

* io.c (io_fread): need not to null terminate.  [ruby-dev:24998]

* io.c (read_all): remove unnecessary rb_str_resize().
  [ruby-dev:24996]

* io.c (io_read): ditto.

* io.c (rb_io_sysread): use temporary lock.  [ruby-dev:24992]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7447 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/ostruct.rb

@@ -48,15 +48,36 @@ class OpenStruct
     if hash
       for k,v in hash
 	@table[k.to_sym] = v
+        new_ostruct_member(k)
       end
     end
   end
 
+  # Duplicate an OpenStruct object members. 
+  def initialize_copy(orig)
+    super
+    @table = @table.dup
+  end
+
+  module Marshaler
+    def marshal_dump
+      table = @table
+      OpenStruct.new.instance_eval{@table=table; self}
+    end
+    def marshal_load(x)
+      @table = x.instance_variable_get("@table")
+      @table.each_key{|key| new_ostruct_member(key)}
+    end
+  end
+
   def new_ostruct_member(name)
-    self.instance_eval %{
-      def #{name}; @table[:#{name}]; end
-      def #{name}=(x); @table[:#{name}] = x; end
-    }
+    unless self.respond_to?(name)
+      self.instance_eval %{
+        extend OpenStruct::Marshaler
+        def #{name}; @table[:#{name}]; end
+        def #{name}=(x); @table[:#{name}] = x; end
+      }
+    end
   end
 
   def method_missing(mid, *args) # :nodoc: