From 328b651c087b1e7a2de922c863ad70bbfb8d8608 Mon Sep 17 00:00:00 2001
From: Markus Uhlin <markus@nifty-networks.net>
Date: Thu, 19 Mar 2026 22:39:49 +0100
Subject: list_print: added null check

---
 FICS/lists.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/FICS/lists.c b/FICS/lists.c
index 3c98256..9734cd7 100644
--- a/FICS/lists.c
+++ b/FICS/lists.c
@@ -174,6 +174,11 @@ list_print(FILE *fp, int p, enum ListWhich l)
 {
 	List *gl;
 
+	if (fp == NULL) {
+		warnx("%s: invalid argument: null pointer detected", __func__);
+		return;
+	}
+
 	if ((gl = list_find(p, l)) != NULL) {
 		for (int i = 0; i < gl->numMembers; i++) {
 			if (fprintf(fp, "%s\n", gl->member[i]) < 0)
-- 
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