* ext/zlib/zlib.c (zstream_detach_input): resets klass of z->input if

  z->input isn't nil.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 1 deletions

diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 44a9f3ea7b..6dfb4cb4b6 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -638,7 +638,13 @@ zstream_detach_input(z)
 {
     VALUE dst;
 
-    dst = NIL_P(z->input) ? rb_str_new(0, 0) : z->input;
+    if (NIL_P(z->input)) {
+	dst = rb_str_new(0, 0);
+    }
+    else {
+	dst = z->input;
+	RBASIC(dst)->klass = rb_cString;
+    }
     z->input = Qnil;
     return dst;
 }