1/* $OpenBSD: lib_clreol.c,v 1.5 2023/10/17 09:52:08 nicm Exp $ */ 2 3/**************************************************************************** 4 * Copyright 2020,2021 Thomas E. Dickey * 5 * Copyright 1998-2001,2009 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_clreol.c 39** 40** The routine wclrtoeol(). 41** 42*/ 43 44#include <curses.priv.h> 45 46MODULE_ID("$Id: lib_clreol.c,v 1.5 2023/10/17 09:52:08 nicm Exp $") 47 48NCURSES_EXPORT(int) 49wclrtoeol(WINDOW *win) 50{ 51 int code = ERR; 52 53 T((T_CALLED("wclrtoeol(%p)"), (void *) win)); 54 55 if (win) { 56 NCURSES_CH_T blank; 57 NCURSES_CH_T *ptr, *end; 58 struct ldat *line; 59 NCURSES_SIZE_T y = win->_cury; 60 NCURSES_SIZE_T x = win->_curx; 61 62 /* 63 * If we have just wrapped the cursor, the clear applies to the 64 * new line, unless we are at the lower right corner. 65 */ 66 if (IS_WRAPPED(win) != 0 67 && y < win->_maxy) { 68 win->_flags &= ~_WRAPPED; 69 } 70 71 /* 72 * There's no point in clearing if we're not on a legal 73 * position, either. 74 */ 75 if (IS_WRAPPED(win) 76 || y > win->_maxy 77 || x > win->_maxx) 78 returnCode(ERR); 79 80 blank = win->_nc_bkgd; 81 line = &win->_line[y]; 82 CHANGED_TO_EOL(line, x, win->_maxx); 83 84 ptr = &(line->text[x]); 85 end = &(line->text[win->_maxx]); 86 87 while (ptr <= end) 88 *ptr++ = blank; 89 90 _nc_synchook(win); 91 code = OK; 92 } 93 returnCode(code); 94} 95