From 82c31f750d71686f0412085ff35f67b37b407cc6 Mon Sep 17 00:00:00 2001
From: antirez <antirez@gmail.com>
Date: Mon, 14 Apr 2014 09:40:07 +0200
Subject: [PATCH] Fixed memmove() count in hllSparseAdd().

---
 src/hyperloglog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hyperloglog.c b/src/hyperloglog.c
index df79fc97..d4c0a48d 100644
--- a/src/hyperloglog.c
+++ b/src/hyperloglog.c
@@ -802,7 +802,7 @@ int hllSparseAdd(robj *o, unsigned char *ele, size_t elesize) {
      int deltalen = seqlen-oldlen;
 
      if (deltalen > 0 && sdslen(o->ptr)+deltalen > HLL_SPARSE_MAX) goto promote;
-     if (deltalen && next) memmove(next+deltalen,next,next-sparse);
+     if (deltalen && next) memmove(next+deltalen,next,end-next);
      sdsIncrLen(o->ptr,deltalen);
      memcpy(p,seq,seqlen);