From 42ac4858f9a8d9550733ca6f647ef375fb33c4b8 Mon Sep 17 00:00:00 2001
From: "Jay Freeman (saurik)" <saurik@saurik.com>
Date: Sat, 2 Mar 2013 00:46:39 +0000
Subject: [PATCH] Avoid iOS-6+WinterBoard+Substrate-400x vnode leak.

---
 Library.mm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Library.mm b/Library.mm
index b40f67e..9202ca3 100644
--- a/Library.mm
+++ b/Library.mm
@@ -2359,9 +2359,13 @@ MSInitialize {
     if (imageio == NULL)
         imageio = MSGetImageByName("/System/Library/PrivateFrameworks/ImageIO.framework/ImageIO");
     if (MSImageRef image = imageio) {
-        void *(*CGImageReadCreateWithFile)(NSString *, int);
-        msset(CGImageReadCreateWithFile, image, "_CGImageReadCreateWithFile");
-        MSHookFunction(CGImageReadCreateWithFile, MSHake(CGImageReadCreateWithFile));
+        void *(*CGImageReadCreateWithFile)(NSString *, int) = NULL;
+        if (kCFCoreFoundationVersionNumber > 700) // XXX: iOS 6.x
+            CGImageReadCreateWithFile = NULL;
+        else {
+            msset(CGImageReadCreateWithFile, image, "_CGImageReadCreateWithFile");
+            MSHookFunction(CGImageReadCreateWithFile, MSHake(CGImageReadCreateWithFile));
+        }
 
         if (CGImageReadCreateWithFile == NULL) {
             void *(*CGImageSourceCreateWithFile)(NSString *, NSDictionary *);
-- 
2.45.2