From 9e67da61b668f9091ec8de1910e925475f3343c9 Mon Sep 17 00:00:00 2001
From: viulian <viulian@gmail.com>
Date: Wed, 28 Mar 2018 00:00:57 +0200
Subject: [PATCH] fix the case where libmosquitto doesn't have the second
 argument in mosquitto_loop call

---
 src/mqtt.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/mqtt.c b/src/mqtt.c
index 09060dfa7..5c1ff1909 100644
--- a/src/mqtt.c
+++ b/src/mqtt.c
@@ -445,9 +445,13 @@ static int publish(mqtt_client_conf_t *conf, char const *topic,
     return -1;
   }
 
-  // -1 means default timeout, 1000ms
-  // second argument is unused, set to 1 for future compatibility
-  status = mosquitto_loop(conf->mosq, -1, 1);
+  #if LIBMOSQUITTO_MAJOR == 0
+    status = mosquitto_loop(conf->mosq, /* timeout = */ 1000 /* ms */);
+  #else
+    status = mosquitto_loop(conf->mosq,
+                            /* timeout[ms] = */ 1000,
+                            /* max_packets = */ 1);
+  #endif
 
   if (status != MOSQ_ERR_SUCCESS) {
     c_complain(LOG_ERR, &conf->complaint_cantpublish,
-- 
2.47.2