Checked for 0 window size in glk_window_move_cursor().

diff --git a/libchimara/window.c b/libchimara/window.c
index 223d7a24a71fca70089dbf43a97b80183bbed6fd..8b695315326629157e1dba292ca3b759818a0578 100644 (file)
--- a/libchimara/window.c
+++ b/libchimara/window.c
@@ -1193,6 +1193,10 @@ glk_window_move_cursor(winid_t win, glui32 xpos, glui32 ypos)
        VALID_WINDOW(win, return);
        g_return_if_fail(win->type == wintype_TextGrid);
        
+       /* Don't do anything if the window is shrunk down to nothing */
+       if(win->width == 0 || win->height == 0)
+               return;
+       
        /* Calculate actual position if cursor is moved past the right edge */
        if(xpos >= win->width)
        {