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Diffstat (limited to 'resolv')
-rw-r--r--resolv/res_init.c3
-rw-r--r--resolv/res_send.c5
-rw-r--r--resolv/resolv.h1
3 files changed, 6 insertions, 3 deletions
diff --git a/resolv/res_init.c b/resolv/res_init.c
index fa60b77c81..1b14f94e76 100644
--- a/resolv/res_init.c
+++ b/resolv/res_init.c
@@ -177,6 +177,7 @@ __res_vinit(res_state statp, int preinit) {
 	statp->_flags = 0;
 	statp->qhook = NULL;
 	statp->rhook = NULL;
+	statp->_u._ext.nsinit = 0;
 	statp->_u._ext.nscount = 0;
 #ifdef _LIBC
 	statp->_u._ext.nscount6 = 0;
@@ -544,5 +545,5 @@ res_nclose(res_state statp) {
 			statp->_u._ext.nssocks[ns] = -1;
 		}
 	}
-	statp->_u._ext.nscount = 0;
+	statp->_u._ext.nsinit = 0;
 }
diff --git a/resolv/res_send.c b/resolv/res_send.c
index cc9fd0070d..751a5506a1 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -394,7 +394,7 @@ res_nsend(res_state statp,
 	 * If the ns_addr_list in the resolver context has changed, then
 	 * invalidate our cached copy and the associated timing data.
 	 */
-	if (EXT(statp).nscount != 0) {
+	if (EXT(statp).nsinit) {
 		int needclose = 0;
 
 		if (EXT(statp).nscount != statp->nscount)
@@ -420,7 +420,7 @@ res_nsend(res_state statp,
 	/*
 	 * Maybe initialize our private copy of the ns_addr_list.
 	 */
-	if (EXT(statp).nscount == 0) {
+	if (EXT(statp).nsinit == 0) {
 #ifdef _LIBC
 		n = 0;
 #endif
@@ -454,6 +454,7 @@ res_nsend(res_state statp,
 #endif
 		}
 		EXT(statp).nscount = statp->nscount;
+		EXT(statp).nsinit = 1;
 #ifdef _LIBC
 		/* If holes left, free memory and set to NULL */
 		while (n < MAXNS) {
diff --git a/resolv/resolv.h b/resolv/resolv.h
index 6677adde3b..bb8c782939 100644
--- a/resolv/resolv.h
+++ b/resolv/resolv.h
@@ -154,6 +154,7 @@ struct __res_state {
 			u_int16_t		nstimes[MAXNS];	/* ms. */
 			int			nssocks[MAXNS];
 			u_int16_t		nscount6;
+			u_int16_t		nsinit;
 			struct sockaddr_in6	*nsaddrs[MAXNS];
 		} _ext;
 	} _u;