From 338c358a75fed510c6e4b0f726c513d3739bb925 Mon Sep 17 00:00:00 2001
From: Joachim Nilsson <troglobit@gmail.com>
Date: Tue, 7 Jan 2020 01:07:56 +0100
Subject: [PATCH] Defensive programming, check bounds of loop variable first

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
---
 src/util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/util.c b/src/util.c
index e6689152..9e95e8f8 100644
--- a/src/util.c
+++ b/src/util.c
@@ -170,7 +170,7 @@ char *sanitize(char *arg, size_t len)
 {
 	size_t i = 0;
 
-	while (isallowed(arg[i]) && i < len)
+	while (i < len && isallowed(arg[i]))
 		i++;
 
 	if (i + 1 < len) {