From 3e86d316c4bb406ed813aa5256615c8a95cac6d8 Mon Sep 17 00:00:00 2001
From: Simon Kelley <simon@thekelleys.org.uk>
Date: Sun, 20 Dec 2015 20:50:05 +0000
Subject: [PATCH] Nasty, rare and obscure off-by-one in DNSSEC hostname_cmp().

---
 src/dnssec.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/dnssec.c b/src/dnssec.c
index e09f304..29848e1 100644
--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -1394,8 +1394,8 @@ static int hostname_cmp(const char *a, const char *b)
       if (sb == b)
 	return 1;
       
-      ea = sa--;
-      eb = sb--;
+      ea = --sa;
+      eb = --sb;
     }
 }