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Diffstat (limited to 'lib/libcurses/delwin.c')
| -rw-r--r-- | lib/libcurses/delwin.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/libcurses/delwin.c b/lib/libcurses/delwin.c new file mode 100644 index 000000000000..3f6848a56b62 --- /dev/null +++ b/lib/libcurses/delwin.c @@ -0,0 +1,79 @@ +/* + * Copyright (c) 1981, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef lint +static char sccsid[] = "@(#)delwin.c 8.1 (Berkeley) 6/4/93"; +#endif /* not lint */ + +#include <curses.h> +#include <stdlib.h> + +/* + * delwin -- + * Delete a window and release it back to the system. + */ +int +delwin(win) + register WINDOW *win; +{ + + register WINDOW *wp, *np; + + if (win->orig == NULL) { + /* + * If we are the original window, delete the space for all + * the subwindows, the line space and the window space. + */ + free(win->lspace); + free(win->wspace); + free(win->lines); + wp = win->nextp; + while (wp != win) { + np = wp->nextp; + delwin(wp); + wp = np; + } + } else { + /* + * If we are a subwindow, take ourselves out of the list. + * NOTE: if we are a subwindow, the minimum list is orig + * followed by this subwindow, so there are always at least + * two windows in the list. + */ + for (wp = win->nextp; wp->nextp != win; wp = wp->nextp) + continue; + wp->nextp = win->nextp; + } + free(win); + return (OK); +} |