From 71fa9ce0c4e5b9d984b1598c2d2bf57f0c6604dc Mon Sep 17 00:00:00 2001
From: Jason Parker <jparker@digium.com>
Date: Tue, 10 Jul 2007 18:37:23 +0000
Subject: [PATCH] Use res_ndestroy on systems that have it.  Otherwise, use
 res_nclose. This prevents a memleak on NetBSD - and possibly others.

Issue 10133, patch by me, reported and tested by scw


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@74373 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 dns.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dns.c b/dns.c
index 8b26ff3779..d71c76ad7c 100644
--- a/dns.c
+++ b/dns.c
@@ -175,6 +175,9 @@ static int dns_parse_answer(void *context,
 
 #if defined(res_ninit)
 #define HAS_RES_NINIT
+#if defined(res_ndestroy)
+#define HAS_RES_NDESTROY
+#endif
 #else
 AST_MUTEX_DEFINE_STATIC(res_lock);
 #if 0
@@ -217,7 +220,11 @@ int ast_search_dns(void *context,
 			ret = 1;
 	}
 #ifdef HAS_RES_NINIT
+#ifdef HAS_RES_NDESTROY
+	res_ndestroy(&dnsstate);
+#else
 	res_nclose(&dnsstate);
+#endif
 #else
 #ifndef __APPLE__
 	res_close();