From a83c7764f5b464b8eb40f20bd4b6c46dae45e5d0 Mon Sep 17 00:00:00 2001
From: Wouter Wijngaards <wouter@nlnetlabs.nl>
Date: Thu, 16 Mar 2017 15:07:34 +0000
Subject: [PATCH] fix comparison, unsigned does not become negative.

git-svn-id: file:///svn/unbound/trunk@4057 be551aaa-1e26-0410-a405-d3ace91eadb9
---
 validator/val_anchor.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/validator/val_anchor.c b/validator/val_anchor.c
index bd6a0da85..2d88d4459 100644
--- a/validator/val_anchor.c
+++ b/validator/val_anchor.c
@@ -1277,7 +1277,11 @@ anchors_delete_insecure(struct val_anchors* anchors, uint16_t c,
 static int
 keytag_compare(const void* x, const void* y)
 {
-	return *(uint16_t*)x - *(uint16_t*)y;
+	if(*(uint16_t*)x == *(uint16_t*)y)
+		return 0;
+	if(*(uint16_t*)x > *(uint16_t*)y)
+		return 1;
+	return -1;
 }
 
 int