From df5844ffeae9f3f6958c720f5088f4fabb7954cc Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Sun, 15 Mar 2026 09:20:09 +0100
Subject: Added null check

---
 FICS/playerdb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/FICS/playerdb.c b/FICS/playerdb.c
index b3f0dfe..2c3002a 100644
--- a/FICS/playerdb.c
+++ b/FICS/playerdb.c
@@ -1274,7 +1274,10 @@ WritePlayerFile(FILE *fp, int p)
 	int	 ret;
 	player	*pp = &parray[p];
 
-	if (fprintf(fp, "v %d\n", PLAYER_VERSION) < 0) {
+	if (fp == NULL) {
+		warnx("%s: invalid argument: null pointer detected", __func__);
+		return;
+	} else if (fprintf(fp, "v %d\n", PLAYER_VERSION) < 0) {
 		warnx("%s: error writing to file! returning...", __func__);
 		return;
 	}
-- 
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