From 478ca220540ddad75cba4f204e4ff68c1fb535ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= <flashcode@flashtux.org>
Date: Sat, 3 Aug 2019 10:18:25 +0200
Subject: [PATCH] irc: return NULL in function
 irc_message_get_address_from_host if the received host is NULL

---
 src/plugins/irc/irc-message.c  | 3 +++
 src/plugins/irc/irc-protocol.c | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/plugins/irc/irc-message.c b/src/plugins/irc/irc-message.c
index 8899bee53..afa999281 100644
--- a/src/plugins/irc/irc-message.c
+++ b/src/plugins/irc/irc-message.c
@@ -495,6 +495,9 @@ irc_message_get_address_from_host (const char *host)
     char host2[256], *pos_space, *pos;
     const char *ptr_host;
 
+    if (!host)
+        return NULL;
+
     address[0] = '\0';
     if (host)
     {
diff --git a/src/plugins/irc/irc-protocol.c b/src/plugins/irc/irc-protocol.c
index a68534cbc..b869e59d6 100644
--- a/src/plugins/irc/irc-protocol.c
+++ b/src/plugins/irc/irc-protocol.c
@@ -914,7 +914,7 @@ IRC_PROTOCOL_CALLBACK(chghost)
                     nick,
                     IRC_COLOR_CHAT_DELIMITERS,
                     IRC_COLOR_CHAT_HOST,
-                    address,
+                    (address) ? address : "",
                     IRC_COLOR_CHAT_DELIMITERS,
                     IRC_COLOR_MESSAGE_CHGHOST,
                     IRC_COLOR_CHAT_HOST,