From: Florian Forster <ff@octo.it>
Date: Tue, 13 Sep 2016 18:52:58 +0000 (+0200)
Subject: regex match: snprintf → ssnprintf
X-Git-Tag: collectd-5.7.0~97^2
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=0030d4216cda0062baf7f9047bb524eebfaaf1ad;p=collectd.git

regex match: snprintf → ssnprintf

ssnprintf() ensures null termination, which is especially important when using "%s" in the format.
---

diff --git a/src/match_regex.c b/src/match_regex.c
index 5c75a634..dd8319ea 100644
--- a/src/match_regex.c
+++ b/src/match_regex.c
@@ -250,7 +250,7 @@ static int mr_config_add_meta_regex (llist_t **meta, /* {{{ */
 		llist_append (*meta, entry);
 	}
 
-	snprintf (buffer, sizeof (buffer), "%s `%s'", ci->key, meta_key);
+	ssnprintf (buffer, sizeof (buffer), "%s `%s'", ci->key, meta_key);
 	/* Can't pass &entry->value into mr_add_regex, so copy in/out. */
 	re_head = entry->value;
 	status = mr_add_regex (&re_head, ci->values[1].value.string, buffer);