From a8a04565b15548678c79eb67f0bfd63a188ff1fb Mon Sep 17 00:00:00 2001
From: wenyg <42307321+wenyg@users.noreply.github.com>
Date: Thu, 30 May 2019 17:38:49 +0800
Subject: [PATCH] https-client: correction error checking

When connecting to a non-existent HTTPS service, the "req" is not null
but the "evhttp_request_get_response_code(req)" is zero.

Closes: #822 (cherry-picked)
(cherry picked from commit 891dd1880fed8c5e1e98f122daeb1ae8414f6b1c)
---
 sample/https-client.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sample/https-client.c b/sample/https-client.c
index 5869974f..58e449b1 100644
--- a/sample/https-client.c
+++ b/sample/https-client.c
@@ -53,7 +53,7 @@ http_request_done(struct evhttp_request *req, void *ctx)
 	char buffer[256];
 	int nread;
 
-	if (req == NULL) {
+	if (!req || !evhttp_request_get_response_code(req)) {
 		/* If req is NULL, it means an error occurred, but
 		 * sadly we are mostly left guessing what the error
 		 * might have been.  We'll do our best... */