# HG changeset patch
# User peter1138 <peter1138@openttd.org>
# Date 1172264637 0
# Node ID f47815f367a20df84408538a05031e0c94ee4daa
# Parent  a8303346cd9cf0b24ab6c710bd778e3d340ae306
(svn r8865) -Codechange: (NewGRF) Ignore 1 byte action 0s during safety check

diff --git a/src/newgrf.cpp b/src/newgrf.cpp
--- a/src/newgrf.cpp
+++ b/src/newgrf.cpp
@@ -1480,6 +1480,11 @@
 	uint8 numinfo;
 	uint8 index;
 
+	if (len == 1) {
+		grfmsg(8, "Silently ignoring one-byte special sprite 0x00");
+		return;
+	}
+
 	if (!check_length(len, 6, "SafeChangeInfo")) return;
 	buf++;
 	feature  = grf_load_byte(&buf);