From 030f0b70132519503a8023d6ee7bae6fb3ebf8f6 Mon Sep 17 00:00:00 2001
From: terminx <terminx@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Tue, 9 Apr 2019 19:21:33 +0000
Subject: [PATCH] Fix crash when passing updatesectorz() an invalid sector
 number > numsectors and < MAXSECTORS

git-svn-id: https://svn.eduke32.com/eduke32@7549 1a8010ca-5511-0410-912e-c29ae57300e0
---
 source/build/src/engine.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/build/src/engine.cpp b/source/build/src/engine.cpp
index 764352042..759d1b47e 100644
--- a/source/build/src/engine.cpp
+++ b/source/build/src/engine.cpp
@@ -11057,7 +11057,7 @@ void updatesectorz(int32_t const x, int32_t const y, int32_t const z, int16_t *
 
     if ((unsigned)*sectnum >= (unsigned)numsectors)
     {
-        if ((unsigned)*sectnum < (unsigned)numsectors + MAXSECTORS)
+        if (*sectnum >= MAXSECTORS && (unsigned)*sectnum < (unsigned)numsectors + MAXSECTORS)
         {
             *sectnum -= MAXSECTORS;
             nofirstzcheck = true;