From 20da239464cc91e921cbb98d903d29622919fdcd Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 28 Aug 2014 05:55:05 +0000
Subject: io.c: preserve encodings

* io.c (rb_io_s_new): preserve encodings in warning messages.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'io.c')

diff --git a/io.c b/io.c
index 81d35fd862..7dc1c8956c 100644
--- a/io.c
+++ b/io.c
@@ -7618,9 +7618,9 @@ static VALUE
 rb_io_s_new(int argc, VALUE *argv, VALUE klass)
 {
     if (rb_block_given_p()) {
-	const char *cname = rb_class2name(klass);
+	VALUE cname = rb_obj_as_string(klass);
 
-	rb_warn("%s::new() does not take block; use %s::open() instead",
+	rb_warn("%"PRIsVALUE"::new() does not take block; use %"PRIsVALUE"::open() instead",
 		cname, cname);
     }
     return rb_class_new_instance(argc, argv, klass);
-- 
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