ncurses 5.9 - patch 20130112

[ncurses.git] / test / movewindow.c

diff --git a/test/movewindow.c b/test/movewindow.c
index 11521a0722388bc06fd9bbe728eb9d5d7915a3ce..612cb8823cb75cbabb200f2f9701654a5a72d1e2 100644 (file)
--- a/test/movewindow.c
+++ b/test/movewindow.c
@@ -26,7 +26,7 @@
  * authorization.                                                           *
  ****************************************************************************/
 /*
- * $Id: movewindow.c,v 1.37 2012/10/27 19:37:56 tom Exp $
+ * $Id: movewindow.c,v 1.38 2012/12/15 18:36:40 tom Exp $
  *
  * Demonstrate move functions for windows and derived windows from the curses
  * library.
@@ -218,8 +218,16 @@ selectcell(WINDOW *parent,
            res.x = ulj + j;
            return (&res);
        }
-       i %= si;
-       j %= sj;
+
+       if (si <= 0)
+           i = 0;
+       else
+           i %= si;
+
+       if (sj <= 0)
+           j = 0;
+       else
+           j %= sj;
 
        /*
         * If the caller can handle continuous movement, return the result.