From fc731419c5a602315d52cf234c05204a371cf227 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 30 Mar 2022 15:10:18 -0600
Subject: [PATCH] fix potentially incorrect use of strncpy(3) when copying URI
 for ladspa preset

---
 libs/ardour/ladspa_plugin.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/ardour/ladspa_plugin.cc b/libs/ardour/ladspa_plugin.cc
index 5c19f0cfff..8a835f2e82 100644
--- a/libs/ardour/ladspa_plugin.cc
+++ b/libs/ardour/ladspa_plugin.cc
@@ -796,7 +796,8 @@ lrdf_remove_preset (const char* /*source*/, const char *setting_uri)
 	char setting_uri_copy[64];
 	char buf[64];
 
-	strncpy(setting_uri_copy, setting_uri, sizeof(setting_uri_copy));
+	strncpy(setting_uri_copy, setting_uri, sizeof(setting_uri_copy) - 1);
+	setting_uri_copy[sizeof (setting_uri_copy) - 1] = '\0';
 
 	p.subject = setting_uri_copy;
 	strncpy(buf, LADSPA_BASE "hasPortValue", sizeof(buf));