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: http://svn.digium.com/svn/asterisk/branches/1.2@74373 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 7 insertions, 0 deletions

diff --git a/dns.c b/dns.c
index 8b26ff377..d71c76ad7 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();