From 63c2c0ce73b1014bf84cd8f3f9498ebe462d0413 Mon Sep 17 00:00:00 2001
From: theraven <theraven@72102866-910b-0410-8b05-ffd578937521>
Date: Sat, 12 Feb 2011 11:03:41 +0000
Subject: [PATCH] Added NULL checks to class_respondsToSelector()

---
 sendmsg2.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sendmsg2.c b/sendmsg2.c
index 1b8ea6f..1450e23 100644
--- 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);
 }