From 7351da3962afed0c46391372373238fdf6e8347c Mon Sep 17 00:00:00 2001
From: Simon Robertshaw <simon@hardwired.org.uk>
Date: Sat, 25 Jun 2011 22:44:07 +0100
Subject: [PATCH] Fix segfault with aray striking particles with abnormal ctype

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

diff --git a/src/elements/aray.c b/src/elements/aray.c
index b1a2e9124..9604fba80 100644
--- a/src/elements/aray.c
+++ b/src/elements/aray.c
@@ -50,7 +50,7 @@ int update_ARAY(UPDATE_FUNC_ARGS) {
 											create_part(-1, x+nxi+nxx, y+nyi+nyy, PT_SPRK);
 										}
 										//if (!(nostop && (ptypes[r&0xFF].properties&PROP_CONDUCTS))) {//don't need to check r&0xFF<PT_NUM here because it should have been excluded by (r>>8)>=NPART //Not sure why you changed checking "ctype" to "type"
-										if (!(nostop && (ptypes[parts[r>>8].ctype].properties&PROP_CONDUCTS))) {
+										if (!(nostop && parts[r>>8].ctype >= 0 && parts[r>>8].ctype < PT_NUM && (ptypes[parts[r>>8].ctype].properties&PROP_CONDUCTS))) {
 											docontinue = 0;
 										} else {
 											docontinue = 1;