include and prepend check no args

* eval.c (rb_mod_include, rb_mod_prepend): check if arguments are
  given, as well as Kernel#extend.  [ruby-dev:49854] [Bug #12887]
  [Fix GH-1470]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56631 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/eval.c b/eval.c
index feac81024c..dcba1e16d0 100644
--- a/eval.c
+++ b/eval.c
@@ -1036,6 +1036,7 @@ rb_mod_include(int argc, VALUE *argv, VALUE module)
     CONST_ID(id_append_features, "append_features");
     CONST_ID(id_included, "included");
 
+    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
     for (i = 0; i < argc; i++)
 	Check_Type(argv[i], T_MODULE);
     while (argc--) {
@@ -1083,6 +1084,8 @@ rb_mod_prepend(int argc, VALUE *argv, VALUE module)
 
     CONST_ID(id_prepend_features, "prepend_features");
     CONST_ID(id_prepended, "prepended");
+
+    rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS);
     for (i = 0; i < argc; i++)
 	Check_Type(argv[i], T_MODULE);
     while (argc--) {