* transcode.c (econv_opts): don't use to_sym.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19363 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Mon Sep 15 23:37:15 2008  Tanaka Akira  <akr@fsij.org>
+
+	* transcode.c (econv_opts): don't use to_sym.
+
 Mon Sep 15 23:28:28 2008  Tanaka Akira  <akr@fsij.org>
 
 	* encoding.c (rb_enc_get_index): don't return -1.

transcode.c

@@ -2287,16 +2287,18 @@ econv_opts(VALUE opt)
 
     v = rb_hash_aref(opt, sym_xml);
     if (!NIL_P(v)) {
-        v = rb_convert_type(v, T_SYMBOL, "Symbol", "to_sym");
         if (v==sym_text) {
             ecflags |= ECONV_XML_TEXT_DECORATOR|ECONV_UNDEF_HEX_CHARREF;
         }
         else if (v==sym_attr) {
             ecflags |= ECONV_XML_ATTR_CONTENT_DECORATOR|ECONV_XML_ATTR_QUOTE_DECORATOR|ECONV_UNDEF_HEX_CHARREF;
         }
-        else {
+        else if (TYPE(v) == T_SYMBOL) {
             rb_raise(rb_eArgError, "unexpected value for xml option: %s", rb_id2name(SYM2ID(v)));
         }
+        else {
+            rb_raise(rb_eArgError, "unexpected value for xml option");
+        }
     }
 
     v = rb_hash_aref(opt, sym_universal_newline);