ftp://ftp.krokus.ru/pub/OpenBSD/distfiles/xscreensaver-5.01.tar.gz

[xscreensaver] / hacks / twang.c

diff --git a/hacks/twang.c b/hacks/twang.c
index ce22944fca1c22b38cceacb54a1030f856961813..79bbd8f735b6b10cfef31bdc595e2e96a001c9a0 100644 (file)
--- a/hacks/twang.c
+++ b/hacks/twang.c
@@ -554,8 +554,8 @@ static void setupModel (struct state *st)
        st->tileSize = st->windowHeight / 2;
     }
 
-    st->columns = st->windowWidth / st->tileSize;
-    st->rows = st->windowHeight / st->tileSize;
+    st->columns = st->tileSize ? st->windowWidth / st->tileSize : 0;
+    st->rows = st->tileSize ? st->windowHeight / st->tileSize : 0;
 
     if ((st->maxColumns != 0) && (st->columns > st->maxColumns))
     {