From: Hiltjo Posthuma <hiltjo@codemadness.org>
Date: Wed, 5 May 2021 23:04:35 +0000 (+0200)
Subject: fix an out-of-bounds read if the input is ""
X-Git-Url: https://git.armaanb.net/?p=sic.git;a=commitdiff_plain;h=df4c0611366bf361fa263fbc57009cbe68456855

fix an out-of-bounds read if the input is ""

Notified by Guilherme Janczak <guilherme.janczak@yandex.com>, thanks!
---

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';
 }