From 4ce37bde9d9e7f0954363a38042550c004535531 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thibaut=20VAR=C3=88NE?= <hacks@slashdirt.org>
Date: Sat, 27 Jul 2024 20:59:40 +0200
Subject: [PATCH] netout: add minimal sanity checks

---
 netout.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/netout.c b/netout.c
index 4cc85b5..60b6b93 100644
--- a/netout.c
+++ b/netout.c
@@ -93,6 +93,9 @@ void Netoutpp(acarsmsg_t *msg)
 	char *pstr;
 	int res;
 
+	if (!msg)
+		return;
+
 	char *txt = strdup(msg->txt);
 	for (pstr = txt; *pstr != 0; pstr++)
 		if (*pstr == '\n' || *pstr == '\r')
@@ -112,6 +115,9 @@ void Netoutsv(acarsmsg_t *msg, char *idstation, int chn, struct timeval tv)
 	struct tm tmp;
 	int res;
 
+	if (!msg)
+		return;
+
 	gmtime_r(&(tv.tv_sec), &tmp);
 
 	res = snprintf(pkt, sizeof(pkt),
@@ -126,5 +132,6 @@ void Netoutsv(acarsmsg_t *msg, char *idstation, int chn, struct timeval tv)
 
 void Netoutjson(char *jsonbuf)
 {
-	Netwrite(jsonbuf, strlen(jsonbuf));
+	if (jsonbuf)
+		Netwrite(jsonbuf, strlen(jsonbuf));
 }