ncurses 6.2 - patch 20200502
[ncurses.git] / ncurses / base / lib_delwin.c
index ba5f180d5f3c9e488103b2c8c550a8d63d209d60..2f0621cf856c94673636cfc7c6a306ad827c9e84 100644 (file)
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ * Copyright 2020 Thomas E. Dickey                                          *
+ * Copyright 1998-2008,2009 Free Software Foundation, Inc.                  *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,6 +30,8 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996-on                 *
+ *     and: Juergen Pfeifer                         2008                    *
  ****************************************************************************/
 
 /*
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_delwin.c,v 1.16 2008/05/03 14:13:51 tom Exp $")
+MODULE_ID("$Id: lib_delwin.c,v 1.21 2020/02/02 23:34:34 tom Exp $")
 
 static bool
 cannot_delete(WINDOW *win)
 {
     WINDOWLIST *p;
     bool result = TRUE;
+#ifdef USE_SP_WINDOWLIST
+    SCREEN *sp = _nc_screen_of(win);
+#endif
 
-    for (each_window(p)) {
+    for (each_window(SP_PARM, p)) {
        if (&(p->win) == win) {
            result = FALSE;
        } else if ((p->win._flags & _SUBWIN) != 0
@@ -65,25 +71,24 @@ delwin(WINDOW *win)
 {
     int result = ERR;
 
-    T((T_CALLED("delwin(%p)"), win));
+    T((T_CALLED("delwin(%p)"), (void *) win));
 
-    if (_nc_try_global(windowlist) == 0) {
-       _nc_lock_window(win);
+    if (_nc_try_global(curses) == 0) {
        if (win == 0
            || cannot_delete(win)) {
            result = ERR;
-           _nc_unlock_window(win);
        } else {
-
+#if NCURSES_SP_FUNCS
+           SCREEN *sp = _nc_screen_of(win);
+#endif
            if (win->_flags & _SUBWIN)
                touchwin(win->_parent);
-           else if (curscr != 0)
-               touchwin(curscr);
+           else if (CurScreen(SP_PARM) != 0)
+               touchwin(CurScreen(SP_PARM));
 
-           _nc_unlock_window(win);
            result = _nc_freewin(win);
        }
-       _nc_unlock_global(windowlist);
+       _nc_unlock_global(curses);
     }
     returnCode(result);
 }