From fedfcd81e31aec66f2630869175e75c223385ee1 Mon Sep 17 00:00:00 2001
From: hendricks266 <hendricks266@1a8010ca-5511-0410-912e-c29ae57300e0>
Date: Mon, 27 Jan 2014 10:29:29 +0000
Subject: [PATCH] MapArt: Fix a harmless C++ warning. (malloc casting, for
 those interested)

EDuke32 has me so accustomed to straight C... using a template and pass-by-reference makes my day.

git-svn-id: https://svn.eduke32.com/eduke32@4267 1a8010ca-5511-0410-912e-c29ae57300e0
---
 polymer/eduke32/build/src/engine.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/polymer/eduke32/build/src/engine.c b/polymer/eduke32/build/src/engine.c
index 30667499e..4e36e9f4a 100644
--- a/polymer/eduke32/build/src/engine.c
+++ b/polymer/eduke32/build/src/engine.c
@@ -9857,6 +9857,20 @@ static void E_RecalcPicSiz(void)
 } while (0)
 
 // Allocate per-map ART backup array and back up the original!
+#ifdef __cplusplus
+template <typename origar_t, typename bakar_t>
+static inline void ALLOC_MAPART_ARRAY(origar_t &origar, bakar_t &bakar)
+{
+    bakar = (bakar_t) Bmalloc(MAXUSERTILES*sizeof(origar[0]));
+    if (bakar == NULL)
+    {
+        initprintf("OUT OF MEMORY allocating per-map ART backup arrays!\n");
+        uninitengine();
+        exit(12);
+    }
+    Bmemcpy(bakar, origar, MAXUSERTILES*sizeof(origar[0]));
+}
+#else
 #define ALLOC_MAPART_ARRAY(origar, bakar) do { \
     bakar = Bmalloc(MAXUSERTILES*sizeof(origar[0])); \
     if (bakar == NULL) \
@@ -9867,6 +9881,7 @@ static void E_RecalcPicSiz(void)
     } \
     Bmemcpy(bakar, origar, MAXUSERTILES*sizeof(origar[0])); \
 } while (0)
+#endif
 
 void E_MapArt_Clear(void)
 {