From 4b75b904d0ea8b472ecabd1f35a0810ed395a9b3 Mon Sep 17 00:00:00 2001
From: Fabian Greffrath <fabian@greffrath.com>
Date: Tue, 17 Mar 2020 13:25:51 +0100
Subject: [PATCH] add a -nooptions parameter to avoid loading OPTIONS lumps
 embedded into WAD files

---
 Source/m_misc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Source/m_misc.c b/Source/m_misc.c
index 9b46a7c5..9d43a8df 100644
--- a/Source/m_misc.c
+++ b/Source/m_misc.c
@@ -2023,6 +2023,12 @@ void M_LoadOptions(void)
 {
   int lump;
 
+  // [FG] avoid loading OPTIONS lumps embedded into WAD files
+  if (M_CheckParm("-nooptions"))
+  {
+    return;
+  }
+
   if ((lump = W_CheckNumForName("OPTIONS")) != -1)
     {
       int size = W_LumpLength(lump), buflen = 0;