From ef3a92a52687cff33d77dc3b1adbee85e213094b Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Wed, 13 Dec 2023 05:43:30 +0000
Subject:  Null-terminate output of s6dns_domain_tostring()

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/libs6dns/s6dns_engine.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/libs6dns/s6dns_engine.c')

diff --git a/src/libs6dns/s6dns_engine.c b/src/libs6dns/s6dns_engine.c
index 75b41cc..7f20d73 100644
--- a/src/libs6dns/s6dns_engine.c
+++ b/src/libs6dns/s6dns_engine.c
@@ -5,6 +5,9 @@
 #include <strings.h>
 #include <stdint.h>
 #include <errno.h>
+#ifdef DEBUG
+#include <stdlib.h>
+#endif
 
 #include <skalibs/posixishard.h>
 #include <skalibs/uint16.h>
@@ -396,6 +399,9 @@ int s6dns_engine_init_r (s6dns_engine_t *dt, s6dns_ip46list_t const *servers, ui
   memcpy(dt->sa.s + 14, q, qlen) ;
   uint16_pack_big(dt->sa.s + 14 + qlen, qtype) ;
   uint16_pack_big(dt->sa.s + 16 + qlen, S6DNS_C_IN) ;
+#ifdef DEBUG
+  if (getenv("S6DNS_FORCE_TCP")) dt->flagtcp = 1 ; else
+#endif
   if (qlen > 496) dt->flagtcp = 1 ;
   else
   {
-- 
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