* class.c (rb_check_inheritable): new function. [ruby-dev:22316]

* intern.h: add prototype.

* eval.c (superclass): use rb_check_inheritable().

* object.c (rb_class_initialize): check argument validity.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@5236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/intern.h b/intern.h
index 6cdba0840..5d7e9e78f 100644
--- a/intern.h
+++ b/intern.h
@@ -102,6 +102,7 @@ VALUE rb_class_init_copy _((VALUE, VALUE));
 VALUE rb_singleton_class_clone _((VALUE));
 void rb_singleton_class_attached _((VALUE,VALUE));
 VALUE rb_make_metaclass _((VALUE, VALUE));
+void rb_check_inheritable _((VALUE));
 VALUE rb_class_inherited _((VALUE, VALUE));
 VALUE rb_define_class_id _((ID, VALUE));
 VALUE rb_module_new _((void));