From a16f196903d4d609206e2ab0c4c34d95777688db Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@openldap.org>
Date: Mon, 1 Dec 2025 15:18:54 +0000
Subject: [PATCH] ITS#10410 lutil_strncopy: fix off by one

---
 libraries/liblutil/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/liblutil/utils.c b/libraries/liblutil/utils.c
index df9a8b0bc7..6b2ba549d3 100644
--- a/libraries/liblutil/utils.c
+++ b/libraries/liblutil/utils.c
@@ -399,7 +399,7 @@ lutil_strncopy(
 	if (!a || !b || n == 0)
 		return a;
 	
-	while ((*a++ = *b++) && n-- > 0) ;
+	while ((*a++ = *b++) && --n > 0) ;
 	return a-1;
 }