From: Barbara Kaczorowska <bkjg@google.com>
Date: Mon, 21 Sep 2020 10:21:27 +0000 (+0000)
Subject: Fix seg fault in format_name
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f3104971dbcb3558da57031f888c2fe9acb397a3;p=thirdparty%2Fcollectd.git

Fix seg fault in format_name
---

diff --git a/src/utils/common/common.c b/src/utils/common/common.c
index 89fe6f52b..cba23fdb5 100644
--- a/src/utils/common/common.c
+++ b/src/utils/common/common.c
@@ -884,7 +884,9 @@ int format_name(char *ret, int ret_len, const char *hostname,
   assert(plugin != NULL);
   assert(type != NULL);
 
-  APPEND(hostname);
+  if (hostname != NULL)
+    APPEND(hostname);
+
   APPEND("/");
   APPEND(plugin);
   if ((plugin_instance != NULL) && (plugin_instance[0] != 0)) {