From df4c0611366bf361fa263fbc57009cbe68456855 Mon Sep 17 00:00:00 2001
From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Thu, 6 May 2021 01:04:35 +0200
Subject: [PATCH] fix an out-of-bounds read if the input is ""

Notified by Guilherme Janczak <guilherme.janczak@yandex.com>, thanks!
---
 util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util.c b/util.c
index bdba718..2567812 100644
--- a/util.c
+++ b/util.c
@@ -61,7 +61,7 @@ trim(char *s) {
 	char *e;
 
 	e = s + strlen(s) - 1;
-	while(isspace(*e) && e > s)
+	while(e > s && isspace(*e))
 		e--;
 	*(e + 1) = '\0';
 }
-- 
2.39.2