From: Pasi Kallinen <paxed@alt.org>
Date: Thu, 4 Aug 2022 17:08:19 +0000 (+0300)
Subject: Simple options: guard against boolean being null
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c8bd39c74866b4c1316ca4b4b7eae0e60f7c72ad;p=nethack

Simple options: guard against boolean being null
---

diff --git a/src/options.c b/src/options.c
index 235d48894..9e173aca0 100644
--- a/src/options.c
+++ b/src/options.c
@@ -7789,6 +7789,8 @@ rerun:
             switch (allopt[i].opttyp) {
             case BoolOpt:
                 bool_p = allopt[i].addr;
+                if (!bool_p)
+                    continue;
                 Sprintf(buf, fmtstr_doset, "",
                         name, *bool_p ? "X" : " ");
                 break;