From efe3d87cf80447d58b0379b9ec9020a432db8c4e Mon Sep 17 00:00:00 2001
From: helixhorned <helixhorned@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Sun, 7 Jun 2015 09:55:41 +0000
Subject: [PATCH] Mapster32: fix an oob write in test_map().

git-svn-id: https://svn.eduke32.com/eduke32@5265 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/build.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/polymer/eduke32/build/src/build.c b/polymer/eduke32/build/src/build.c
index a431aa303..74bbd55d0 100644
--- a/polymer/eduke32/build/src/build.c
+++ b/polymer/eduke32/build/src/build.c
@@ -10757,8 +10757,7 @@ void test_map(int32_t mode)
             {
                 slen = fullparam-mapster32_fullpath+1;
                 Bstrncpy(game_executable, mapster32_fullpath, slen);
-                // game_executable is now expected to not be NULL-terminated!
-                Bstrncpy(game_executable+slen, DefaultGameExec, sizeof(game_executable));
+                Bstrncpy(game_executable+slen, DefaultGameExec, sizeof(game_executable)-slen);
             }
             else
                 Bstrncpy(game_executable, DefaultGameLocalExec, sizeof(game_executable));