From d6d24991bdd894f92681960117aaf0393866434b Mon Sep 17 00:00:00 2001
From: naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 3 Feb 2011 09:35:55 +0000
Subject: * ext/zlib/zlib.c (gzfile_reader_get_unused): use rb_str_new_shared  
 because gz->z.input is hidden string. [ruby-core:35057]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30772 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/zlib/zlib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/zlib')

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index f119a17bf6..43448818d3 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -2471,7 +2471,7 @@ gzfile_reader_get_unused(struct gzfile *gz)
     }
     if (NIL_P(gz->z.input)) return Qnil;
 
-    str = rb_str_dup(gz->z.input);
+    str = rb_str_new_shared(gz->z.input);
     OBJ_TAINT(str);  /* for safe */
     return str;
 }
-- 
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