/* $OpenBSD: lib_delwin.c,v 1.2 2001/01/22 18:01:38 millert Exp $ */ /**************************************************************************** * 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 1992,1995 * * and: Eric S. Raymond * ****************************************************************************/ /* ** lib_delwin.c ** ** The routine delwin(). ** */ #include MODULE_ID("$From: 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)); }