X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=test%2Fmovewindow.c;h=612cb8823cb75cbabb200f2f9701654a5a72d1e2;hp=11521a0722388bc06fd9bbe728eb9d5d7915a3ce;hb=1385381954c39dc95558adc87fad457046959cc1;hpb=91fa4688e82518794fcf0c32a36f3fcca5e4c2d5

diff --git a/test/movewindow.c b/test/movewindow.c
index 11521a07..612cb882 100644
--- 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.