encoding.c: encoding at inspect

* encoding.c (enc_inspect): use PRIsVALUE to preserve the result
  encoding.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41965 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,7 @@
-Mon Jul 15 02:21:29 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Mon Jul 15 02:21:33 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* encoding.c (enc_inspect): use PRIsVALUE to preserve the result
+	  encoding.
 
 	* encoding.c (enc_set_index): deal with terminator so that
 	  rb_enc_set_index also works.

encoding.c

@@ -1023,11 +1023,10 @@ rb_enc_tolower(int c, rb_encoding *enc)
 static VALUE
 enc_inspect(VALUE self)
 {
-    VALUE str = rb_sprintf("#<%s:%s%s>", rb_obj_classname(self),
+    return rb_enc_sprintf(rb_usascii_encoding(),
+			  "#<%"PRIsVALUE":%s%s>", rb_obj_class(self),
 			  rb_enc_name((rb_encoding*)DATA_PTR(self)),
 			  (enc_dummy_p(self) ? " (dummy)" : ""));
-    ENCODING_CODERANGE_SET(str, ENCINDEX_US_ASCII, ENC_CODERANGE_7BIT);
-    return str;
 }
 
 /*