1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2001,2009 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 32 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 33 ****************************************************************************/ 34 35 /* 36 ** lib_clreol.c 37 ** 38 ** The routine wclrtoeol(). 39 ** 40 */ 41 42 #include <curses.priv.h> 43 44 MODULE_ID("$Id: lib_clreol.c,v 1.23 2020/02/02 23:34:34 tom Exp $") 45 46 NCURSES_EXPORT(int) 47 wclrtoeol(WINDOW *win) 48 { 49 int code = ERR; 50 51 T((T_CALLED("wclrtoeol(%p)"), (void *) win)); 52 53 if (win) { 54 NCURSES_CH_T blank; 55 NCURSES_CH_T *ptr, *end; 56 struct ldat *line; 57 NCURSES_SIZE_T y = win->_cury; 58 NCURSES_SIZE_T x = win->_curx; 59 60 /* 61 * If we have just wrapped the cursor, the clear applies to the 62 * new line, unless we are at the lower right corner. 63 */ 64 if ((win->_flags & _WRAPPED) != 0 65 && y < win->_maxy) { 66 win->_flags &= ~_WRAPPED; 67 } 68 69 /* 70 * There's no point in clearing if we're not on a legal 71 * position, either. 72 */ 73 if ((win->_flags & _WRAPPED) != 0 74 || y > win->_maxy 75 || x > win->_maxx) 76 returnCode(ERR); 77 78 blank = win->_nc_bkgd; 79 line = &win->_line[y]; 80 CHANGED_TO_EOL(line, x, win->_maxx); 81 82 ptr = &(line->text[x]); 83 end = &(line->text[win->_maxx]); 84 85 while (ptr <= end) 86 *ptr++ = blank; 87 88 _nc_synchook(win); 89 code = OK; 90 } 91 returnCode(code); 92 } 93