nobu	2015-03-22 23:31:53 +0900 (Sun, 22 Mar 2015)

  New Revision: 50056

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50056

  Log:
    variable.c: escape erred name
    
    * variable.c (rb_path_to_class): escape erred name.  as precision
      delimits the formatted result only, not region of an argument
      string, need to make a substring for the particular region.

  Modified files:
    trunk/variable.c
Index: variable.c
===================================================================
--- variable.c	(revision 50055)
+++ variable.c	(revision 50056)
@@ -387,8 +387,8 @@ rb_path_to_class(VALUE pathname) https://github.com/ruby/ruby/blob/trunk/variable.c#L387
 	}
 	if (!id || !rb_const_defined_at(c, id)) {
 	  undefined_class:
-	    rb_raise(rb_eArgError, "undefined class/module %.*"PRIsVALUE,
-		     (int)(p-path), pathname);
+	    rb_raise(rb_eArgError, "undefined class/module % "PRIsVALUE,
+		     rb_str_subseq(pathname, 0, p-path));
 	}
 	c = rb_const_get_at(c, id);
 	if (!RB_TYPE_P(c, T_MODULE) && !RB_TYPE_P(c, T_CLASS)) {

--
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