Added NULL checks to class_respondsToSelector()

15 years ago · 63c2c0ce73
parent e76143d006
commit 63c2c0ce73
1 changed files with 2 additions and 0 deletions
--- a/sendmsg2.c
+++ b/sendmsg2.c
@ -288,6 +288,8 @@ Slot_t objc_get_slot(Class cls, SEL selector)

 BOOL class_respondsToSelector(Class cls, SEL selector)
 {
+	if (0 == selector || 0 == cls) { return NO; }
+
 	return NULL != objc_get_slot(cls, selector);
 }