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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-05-16 13:28:59 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2005-05-16 13:28:59 +0000
commit297cb521c1a39189da99d23b6a24c8558204992b (patch)
tree830c971a75f5b935ca841a51011db87549585586 /class.c
parent73cc4a2cd7e1245d82125d233498999b108a1d7d (diff)
* class.c (rb_class_init_copy): singleton class is disallowed to copy,
from its definition. fixed: [ruby-talk:142749] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8469 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'class.c')
-rw-r--r--class.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/class.c b/class.c
index 8addef7..b7f05dd 100644
--- a/class.c
+++ b/class.c
@@ -92,6 +92,9 @@ rb_class_init_copy(clone, orig)
if (RCLASS(clone)->super != 0) {
rb_raise(rb_eTypeError, "already initialized class");
}
+ if (FL_TEST(orig, FL_SINGLETON)) {
+ rb_raise(rb_eTypeError, "can't copy singleton class");
+ }
return rb_mod_init_copy(clone, orig);
}