From f21ca8f56c955a495a8122d743d4912f8ad77ac7 Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: Sat, 11 Jun 2022 12:29:52 +0200
Subject: [PATCH] fix for crash when no logfile was selected

---
 log.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/log.cpp b/log.cpp
index 4a49664..977b286 100644
--- a/log.cpp
+++ b/log.cpp
@@ -30,7 +30,7 @@ void setlog(const char *lf, const log_level_t ll_file, const log_level_t ll_scre
 
 	free((void *)logfile);
 
-	logfile = strdup(lf);
+	logfile = lf ? strdup(lf) : nullptr;
 
 	log_level_file = ll_file;
 	log_level_screen = ll_screen;
@@ -51,7 +51,7 @@ void closelog()
 
 void dolog(const log_level_t ll, const char *fmt, ...)
 {
-	if (ll < log_level_file && ll < log_level_screen)
+	if ((ll < log_level_file && ll < log_level_screen) || !logfile)
 		return;
 
 	if (!lfh) {