From 02fc845a723effa6a40797cd5c6bbead9b0bae3a Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Fri, 14 Dec 2018 18:01:18 +0000
Subject: [PATCH] Make sure nptfront is explicitly > 0, so we don't alloc a
 poly for negative number points at all

---
 src/hardware/hw_bsp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hardware/hw_bsp.c b/src/hardware/hw_bsp.c
index 271d832a..c75d0b48 100644
--- a/src/hardware/hw_bsp.c
+++ b/src/hardware/hw_bsp.c
@@ -387,7 +387,7 @@ static void SplitPoly (fdivline_t *bsp,         //splitting parametric line
 		*backpoly = HWR_AllocPoly(2 + nptback);
 	else
 		*backpoly = NULL;
-	if (nptfront)
+	if (nptfront > 0)
 		*frontpoly = HWR_AllocPoly(2 + nptfront);
 	else
 		*frontpoly = NULL;