1 /* $OpenBSD: lib_clrbot.c,v 1.5 2023/10/17 09:52:08 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright 2020 Thomas E. Dickey * 5 * Copyright 1998-2006,2009 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32 /**************************************************************************** 33 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 34 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 35 ****************************************************************************/ 36 37 /* 38 ** lib_clrbot.c 39 ** 40 ** The routine wclrtobot(). 41 ** 42 */ 43 44 #include <curses.priv.h> 45 46 MODULE_ID("$Id: lib_clrbot.c,v 1.5 2023/10/17 09:52:08 nicm Exp $") 47 48 NCURSES_EXPORT(int) 49 wclrtobot(WINDOW *win) 50 { 51 int code = ERR; 52 53 T((T_CALLED("wclrtobot(%p)"), (void *) win)); 54 55 if (win) { 56 NCURSES_SIZE_T y; 57 NCURSES_SIZE_T startx = win->_curx; 58 NCURSES_CH_T blank = win->_nc_bkgd; 59 60 T(("clearing from y = %ld to y = %ld with maxx = %ld", 61 (long) win->_cury, (long) win->_maxy, (long) win->_maxx)); 62 63 for (y = win->_cury; y <= win->_maxy; y++) { 64 struct ldat *line = &(win->_line[y]); 65 NCURSES_CH_T *ptr = &(line->text[startx]); 66 NCURSES_CH_T *end = &(line->text[win->_maxx]); 67 68 CHANGED_TO_EOL(line, startx, win->_maxx); 69 70 while (ptr <= end) 71 *ptr++ = blank; 72 73 startx = 0; 74 } 75 _nc_synchook(win); 76 code = OK; 77 } 78 returnCode(code); 79 } 80