From 4b0a5fc53921ae2e967df7f5004a40f62c9e2947 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Wed, 6 Mar 2013 12:19:38 +0100
Subject: [PATCH] sdssplitargs(): on error set *argc to 0.

This makes programs not checking the return value for NULL much safer
since with this change:

1) It is still possible to iterate the zero-length result without
crashes.
2) sdssplitargs_free will work against NULL and 0 count.
---
 src/sds.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/sds.c b/src/sds.c
index 74fb274ac..7d1227e71 100644
--- a/src/sds.c
+++ b/src/sds.c
@@ -593,6 +593,7 @@ err:
         sdsfree(vector[*argc]);
     zfree(vector);
     if (current) sdsfree(current);
+    *argc = 0;
     return NULL;
 }