From 8e53db927af3735d5c628a7830b587a651bb803f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
Date: Sat, 17 Sep 2022 18:03:46 +0200
Subject: [PATCH] lib: use memzero where applicable

Use memzero when operating in a buffer of known size to clear all bytes
and avoid leaking the size of the stored data.
---
 src/sulogin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sulogin.c b/src/sulogin.c
index 08feade2..2c5e0943 100644
--- a/src/sulogin.c
+++ b/src/sulogin.c
@@ -216,7 +216,7 @@ static void catch_signals (unused int sig)
 		sleep (2);
 		(void) puts (_("Login incorrect"));
 	}
-	strzero (pass);
+	memzero (pass, sizeof pass);
 	(void) alarm (0);
 	(void) signal (SIGALRM, SIG_DFL);
 	environ = newenvp;	/* make new environment active */