From d68c64e669a4676570086f0c55e52bbb93cf23d0 Mon Sep 17 00:00:00 2001
From: Jiuyang liu <liujiuyang1994@gmail.com>
Date: Mon, 10 Feb 2020 20:50:00 +0000
Subject: [PATCH] bug fix for user is NULL

---
 vncviewer/UserDialog.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vncviewer/UserDialog.cxx b/vncviewer/UserDialog.cxx
index 8fa26cf3..1d90cc50 100644
--- a/vncviewer/UserDialog.cxx
+++ b/vncviewer/UserDialog.cxx
@@ -78,7 +78,7 @@ void UserDialog::getUserPasswd(bool secure, char** user, char** password)
   char *envUsername = getenv("VNC_USERNAME");
   char *envPassword = getenv("VNC_PASSWORD");
 
-  if(envUsername && envPassword) {
+  if(user && envUsername && envPassword) {
     *user = strdup(envUsername);
     *password = strdup(envPassword);
     return;
-- 
2.39.5