From 633c3da4016f2810ae5a8f98ee8ea0979a28d9ea Mon Sep 17 00:00:00 2001
From: jacksonmj <mj-pt@jacksonmj.co.uk>
Date: Fri, 14 Oct 2011 06:54:50 +0800
Subject: [PATCH] Fix crash with abnormal ICE ctype

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

diff --git a/src/powder.c b/src/powder.c
index 8da1bbfcb..a427acc22 100644
--- a/src/powder.c
+++ b/src/powder.c
@@ -1847,7 +1847,7 @@ void update_particles_i(pixel *vid, int start, int inc)
 						if (ptransitions[t].tht!=PT_NUM)
 							t = ptransitions[t].tht;
 						else if (t==PT_ICEI) {
-							if (parts[i].ctype&&parts[i].ctype!=PT_ICEI) {
+							if (parts[i].ctype>0&&parts[i].ctype<PT_NUM&&parts[i].ctype!=PT_ICEI) {
 								if (ptransitions[parts[i].ctype].tlt==PT_ICEI&&pt<=ptransitions[parts[i].ctype].tlv) s = 0;
 								else {
 									t = parts[i].ctype;