GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: lib/libcurses/base/lib_delwin.c Lines: 0 15 0.0 %
Date: 2017-11-07 Branches: 0 20 0.0 %

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/* $OpenBSD: lib_delwin.c,v 1.3 2010/01/12 23:22:05 nicm Exp $ */
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/****************************************************************************
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 * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
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 *                                                                          *
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 * Permission is hereby granted, free of charge, to any person obtaining a  *
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 * copy of this software and associated documentation files (the            *
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 * "Software"), to deal in the Software without restriction, including      *
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 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * distribute, distribute with modifications, sublicense, and/or sell       *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * furnished to do so, subject to the following conditions:                 *
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 *                                                                          *
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 * The above copyright notice and this permission notice shall be included  *
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 * in all copies or substantial portions of the Software.                   *
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 *                                                                          *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
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 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
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 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
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 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
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 *                                                                          *
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 * Except as contained in this notice, the name(s) of the above copyright   *
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 * holders shall not be used in advertising or otherwise to promote the     *
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 * sale, use or other dealings in this Software without prior written       *
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 * authorization.                                                           *
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 ****************************************************************************/
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/****************************************************************************
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 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
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 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
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 ****************************************************************************/
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/*
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**	lib_delwin.c
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**
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**	The routine delwin().
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**
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*/
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#include <curses.priv.h>
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MODULE_ID("$Id: lib_delwin.c,v 1.3 2010/01/12 23:22:05 nicm Exp $")
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static bool
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cannot_delete(WINDOW *win)
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{
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    WINDOWLIST *p;
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    bool result = TRUE;
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    for (each_window(p)) {
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	if (&(p->win) == win) {
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	    result = FALSE;
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	} else if ((p->win._flags & _SUBWIN) != 0
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		   && p->win._parent == win) {
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	    result = TRUE;
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	    break;
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	}
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    }
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    return result;
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}
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NCURSES_EXPORT(int)
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delwin(WINDOW *win)
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{
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    int result = ERR;
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    T((T_CALLED("delwin(%p)"), win));
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    if (_nc_try_global(curses) == 0) {
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	if (win == 0
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	    || cannot_delete(win)) {
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	    result = ERR;
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	} else {
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	    if (win->_flags & _SUBWIN)
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		touchwin(win->_parent);
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	    else if (curscr != 0)
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		touchwin(curscr);
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	    result = _nc_freewin(win);
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	}
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	_nc_unlock_global(curses);
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    }
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    returnCode(result);
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}