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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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} |