-/* $Id: curses.wide,v 1.42 2010/03/30 00:39:41 tom Exp $ */
+/* $Id: curses.wide,v 1.44 2011/10/29 20:08:19 tom Exp $ */
/*
* vile:cmode:
* This file is part of ncurses, designed to be appended after curses.h.in
*/
#define _XOPEN_CURSES 1
-#ifdef NCURSES_WIDECHAR
+#if NCURSES_WIDECHAR
extern NCURSES_EXPORT_VAR(cchar_t *) _nc_wacs;
#define wins_wstr(w,t) wins_nwstr(w,t,-1)
#if !NCURSES_OPAQUE
-#define wgetbkgrnd(win,wch) (*wch = win->_bkgrnd, OK)
+#define wgetbkgrnd(win,wch) ((win) ? (*(wch) = (win)->_bkgrnd) : *(wch), OK)
#endif
#define mvadd_wch(y,x,c) mvwadd_wch(stdscr,y,x,c)