From a8e0a835ab1f62d03ad6391760e3e8b7732d24f8 Mon Sep 17 00:00:00 2001
From: Zachary Waldowski <zach@waldowski.me>
Date: Mon, 30 Dec 2013 15:26:20 -0500
Subject: [PATCH] Darwin/ARM: Assert on NULL dereference

This inhibits an analyzer warning by Clang on all platforms.
---
 src/arm/ffi.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/arm/ffi.c b/src/arm/ffi.c
index 9f238e14..3b39056e 100644
--- a/src/arm/ffi.c
+++ b/src/arm/ffi.c
@@ -350,9 +350,17 @@ void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
       break;
     }
   if (small_struct)
-    memcpy (rvalue, &temp, cif->rtype->size);
+    {
+      FFI_ASSERT(rvalue != NULL);
+      memcpy (rvalue, &temp, cif->rtype->size);
+    }
+    
   else if (vfp_struct)
-    memcpy (rvalue, ecif.rvalue, cif->rtype->size);
+    {
+      FFI_ASSERT(rvalue != NULL);
+      memcpy (rvalue, ecif.rvalue, cif->rtype->size);
+    }
+    
 }
 
 /** private members **/