From baab4442224fb82318891b29a4bb320d9e8ba6fb Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Tue, 16 Nov 2010 00:42:35 +0000
Subject: [PATCH] isc_sockaddr_format() check for sies equal 0

---
 lib/isc/sockaddr.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/isc/sockaddr.c b/lib/isc/sockaddr.c
index 62975df34d..a3bb53afd4 100644
--- a/lib/isc/sockaddr.c
+++ b/lib/isc/sockaddr.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: sockaddr.c,v 1.70 2007/06/19 23:47:17 tbox Exp $ */
+/* $Id: sockaddr.c,v 1.71 2010/11/16 00:42:35 marka Exp $ */
 
 /*! \file */
 
@@ -182,6 +182,9 @@ isc_sockaddr_format(const isc_sockaddr_t *sa, char *array, unsigned int size) {
 	isc_result_t result;
 	isc_buffer_t buf;
 
+	if (size == 0U)
+		return;
+
 	isc_buffer_init(&buf, array, size);
 	result = isc_sockaddr_totext(sa, &buf);
 	if (result != ISC_R_SUCCESS) {