From b23c8babedfc61dc75032596c1e3d425cb9276ad Mon Sep 17 00:00:00 2001
From: Itamar Haber <itamar@redislabs.com>
Date: Tue, 5 Dec 2017 18:17:14 +0200
Subject: [PATCH] Uses an offset in addReplyHelp

---
 src/networking.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/src/networking.c b/src/networking.c
index 8fba0a66..4dff9d71 100644
--- a/src/networking.c
+++ b/src/networking.c
@@ -604,19 +604,17 @@ void addReplyHelp(client *c, const char **help) {
     sds cmd = sdsnew((char*) c->argv[0]->ptr);
     void *blenp = addDeferredMultiBulkLength(c);
     int blen = 0;
-    int hlen = 0;
 
     sdstoupper(cmd);
     addReplyStatusFormat(c,
         "%s <subcommand> arg arg ... arg. Subcommands are:",cmd);
-    blen++;
     sdsfree(cmd);
     
-    while (help[hlen]) {
-        addReplyStatus(c,help[hlen++]);
-        blen++;
+    while (help[blen]) {
+        addReplyStatus(c,help[blen++]);
     }
 
+    blen += 1;  /* Account for the header line(s). */
     setDeferredMultiBulkLength(c,blenp,blen);
 }