From 937d8a83610ac4a642d52412e94bebda3ed6b138 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20Andr=C3=A9=20Tanner?= <mat@brain-dump.org>
Date: Tue, 21 Mar 2017 08:21:49 +0100
Subject: vis: reject invalid option names

This should fix the ressource leak as found by CID 142510.
---
 vis-cmds.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'vis-cmds.c')

diff --git a/vis-cmds.c b/vis-cmds.c
index 3ee782d..551c912 100644
--- a/vis-cmds.c
+++ b/vis-cmds.c
@@ -78,6 +78,10 @@ static void option_free(OptionDef *opt) {
 
 bool vis_option_register(Vis *vis, const char *names[], enum VisOption flags,
                          VisOptionFunction *func, void *context, const char *help) {
+
+	if (!names || !names[0])
+		return false;
+
 	for (const char **name = names; *name; name++) {
 		if (map_get(vis->options, *name))
 			return false;
-- 
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