From e05eb1437054286f14714c46099e867a396dac7d Mon Sep 17 00:00:00 2001
From: Simo Sorce <idra@samba.org>
Date: Fri, 19 Mar 2004 11:28:36 +0000
Subject: [PATCH] backport from head

---
 source/lib/replace.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/source/lib/replace.c b/source/lib/replace.c
index cd48b8d160f..fe1cfc04eb1 100644
--- a/source/lib/replace.c
+++ b/source/lib/replace.c
@@ -65,6 +65,9 @@ ftruncate for operating systems that don't have it
 	size_t len2 = strlen(s);
 	size_t ret = len1 + len2;
 
+	if (len1 >= bufsize) {
+		return 0;
+	}
 	if (len1+len2 >= bufsize) {
 		len2 = bufsize - (len1+1);
 	}
-- 
2.11.4.GIT