From 8d196ebac2554d77c15c38b3e730c8f85bdb26a6 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Thu, 30 Apr 2009 20:15:18 +0200
Subject: [PATCH] zmalloc fix, return NULL or real malloc failure

---
 zmalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/zmalloc.c b/zmalloc.c
index 92285659..c76b2746 100644
--- a/zmalloc.c
+++ b/zmalloc.c
@@ -36,6 +36,7 @@ static size_t used_memory = 0;
 void *zmalloc(size_t size) {
     void *ptr = malloc(size+sizeof(size_t));
 
+    if (!ptr) return NULL;
     *((size_t*)ptr) = size;
     used_memory += size+sizeof(size_t);
     return (char*)ptr+sizeof(size_t);