From: Ray Bellis <ray@isc.org>
Date: Tue, 4 Jul 2017 11:12:11 +0000 (+0100)
Subject: fixed new warning with previous iOS patch
X-Git-Tag: v9.10.6rc1~16
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=4e69e1d0724772c66286479b43624abfc323f48d;p=thirdparty%2Fbind9.git

fixed new warning with previous iOS patch

(cherry picked from commit 70676a01eb16a8221fd5adec6aefaf36590edada)
---

diff --git a/bin/dig/dighost.c b/bin/dig/dighost.c
index 4aa5eb009dc..19939ed74c0 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;