From 8e3c2d9af7846c4924d177e5436e59158a194418 Mon Sep 17 00:00:00 2001
From: "Thomas Beckmann (M-Way)" <t.beckmann@mwaysolutions.com>
Date: Thu, 29 Mar 2018 08:44:57 +0200
Subject: [PATCH] _mosquitto_net_read must call WSASetLastError when changing
 errno so that the error code can be picked up by _mosquitto_packet_read

Signed-off-by: Thomas Beckmann (M-Way) <t.beckmann@mwaysolutions.com>
---
 lib/net_mosq.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/net_mosq.c b/lib/net_mosq.c
index d331ef07..06bcec0d 100644
--- a/lib/net_mosq.c
+++ b/lib/net_mosq.c
@@ -697,6 +697,9 @@ ssize_t net__write(struct mosquitto *mosq, void *buf, size_t count)
 				net__print_ssl_error(mosq);
 				errno = EPROTO;
 			}
+#ifdef WIN32
+			WSASetLastError(errno);
+#endif
 		}
 		return (ssize_t )ret;
 	}else{