From: Florian Forster <octo@collectd.org>
Date: Fri, 16 Dec 2016 17:38:34 +0000 (+0100)
Subject: set target: Avoid casting negative int to size_t.
X-Git-Tag: collectd-5.7.1~12^2
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=55c1bf4105459ff39906f108aa8ad3f99cc0504b;p=collectd.git

set target: Avoid casting negative int to size_t.

CID: 157643
---

diff --git a/src/target_set.c b/src/target_set.c
index 7d54c93b..a40273c0 100644
--- a/src/target_set.c
+++ b/src/target_set.c
@@ -183,8 +183,11 @@ static void ts_subst(char *dest, size_t size, const char *string, /* {{{ */
   REPLACE_FIELD("%{type_instance}", vl->type_instance);
 
   if (vl->meta != NULL) {
-    char **meta_toc;
+    char **meta_toc = NULL;
     int meta_entries = meta_data_toc(vl->meta, &meta_toc);
+    if (meta_entries <= 0)
+      return;
+
     for (int i = 0; i < meta_entries; i++) {
       char meta_name[DATA_MAX_NAME_LEN];
       char *value_str;