From 23308603c5317c03a092c14f37272a9657b2eb49 Mon Sep 17 00:00:00 2001
From: terminx <terminx@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sun, 18 Nov 2018 18:11:56 +0000
Subject: [PATCH] Prevent crash in the editor if newnumwalls and numwalls are
 both somehow -1

git-svn-id: https://svn.eduke32.com/eduke32@7207 1a8010ca-5511-0410-912e-c29ae57300e0
---
 source/build/src/build.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/build/src/build.cpp b/source/build/src/build.cpp
index 36114ecc2..9f9ebd075 100644
--- a/source/build/src/build.cpp
+++ b/source/build/src/build.cpp
@@ -3490,7 +3490,7 @@ void overheadeditor(void)
             linehighlight2 = getlinehighlight(mousxplc, mousyplc, linehighlight, 1);
         }
 
-        if (newnumwalls >= numwalls)
+        if ((unsigned)newnumwalls < MAXWALLS && newnumwalls >= numwalls)
         {
             // if we're in the process of drawing a wall, set the end point's coordinates
             dax = mousxplc;