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/****************************************************************************
* Copyright (c) 1998,2000 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 *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
****************************************************************************/
/*
** lib_delwin.c
**
** The routine delwin().
**
*/
#include <curses.priv.h>
MODULE_ID("$Id: lib_delwin.c,v 1.12 2000/12/10 02:43:27 tom Exp $")
static bool
cannot_delete(WINDOW *win)
{
WINDOWLIST *p;
bool result = TRUE;
for (p = _nc_windows; p != 0; p = p->next) {
if (p->win == win) {
result = FALSE;
} else if ((p->win->_flags & _SUBWIN) != 0
&& p->win->_parent == win) {
result = TRUE;
break;
}
}
return result;
}
NCURSES_EXPORT(int)
delwin(WINDOW *win)
{
T((T_CALLED("delwin(%p)"), win));
if (win == 0
|| cannot_delete(win))
returnCode(ERR);
if (win->_flags & _SUBWIN)
touchwin(win->_parent);
else if (curscr != 0)
touchwin(curscr);
returnCode(_nc_freewin(win));
}
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