From 4e69e1d0724772c66286479b43624abfc323f48d Mon Sep 17 00:00:00 2001
From: Ray Bellis <ray@isc.org>
Date: Tue, 4 Jul 2017 12:12:11 +0100
Subject: [PATCH] fixed new warning with previous iOS patch

(cherry picked from commit 70676a01eb16a8221fd5adec6aefaf36590edada)
---
 bin/dig/dighost.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index 4aa5eb009d..19939ed74c 100644
--- a/bin/dig/dighost.c
+++ b/bin/dig/dighost.c
@@ -459,7 +459,7 @@ hex_dump(isc_buffer_t *b) {
  */
 static isc_result_t
 append(const char *text, size_t len, char **p, char *end) {
-	if (len > end - *p)
+	if (*p + len > end)
 		return (ISC_R_NOSPACE);
 	memmove(*p, text, len);
 	*p += len;