com32/menu/background.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Copyright 2008 H. Peter Anvin - All Rights Reserved
   4  *
   5  *   This program is free software; you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
   8  *   Boston MA 02110-1301, USA; either version 2 of the License, or
   9  *   (at your option) any later version; incorporated herein by reference.
  10  *
  11  * ----------------------------------------------------------------------- */
  12
  13 #include <consoles.h>
  14 #include <string.h>
  15 #include "menu.h"
  16
  17 const char *current_background = NULL;
  18
  19 void set_background(const char *new_background)
  20 {
  21     if (!current_background || !new_background ||
  22         strcmp(current_background, new_background)) {
  23         draw_background(new_background);
  24         current_background = new_background;
  25     }
  26 }