From 7e7cbad17eb6fc3b22f65ed98ea1c4d28afd2904 Mon Sep 17 00:00:00 2001
From: knu <knu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 3 Jun 2008 10:34:45 +0000
Subject: [PATCH] * enumerator.c (enumerator_init_copy): Take care of  
 initialize_copy as well as initialize.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog    | 5 +++++
 enumerator.c | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index c535b529ca..427ee4b4e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Jun  3 19:33:22 2008  Akinori MUSHA  <knu@iDaemons.org>
+
+	* enumerator.c (enumerator_init_copy): Take care of
+	  initialize_copy as well as initialize.
+
 Tue Jun  3 16:06:09 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* file.c (file_expand_path): fix for non-existent files and SFN of
diff --git a/enumerator.c b/enumerator.c
index 0801517657..13c9bebeca 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -276,7 +276,12 @@ enumerator_init_copy(VALUE obj, VALUE orig)
 	/* Fibers cannot be copied */
 	rb_raise(rb_eTypeError, "can't copy execution context");
     }
-    ptr1 = enumerator_ptr(obj);
+
+    Data_Get_Struct(obj, struct enumerator, ptr1);
+
+    if (!ptr1) {
+	rb_raise(rb_eArgError, "unallocated enumerator");
+    }
 
     ptr1->obj  = ptr0->obj;
     ptr1->meth = ptr0->meth;