1 /* $OpenBSD: lib_clreol.c,v 1.4 2010/01/12 23:22:05 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,1999,2000,2001 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 33 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 34 ****************************************************************************/ 35 36 /* 37 ** lib_clreol.c 38 ** 39 ** The routine wclrtoeol(). 40 ** 41 */ 42 43 #include <curses.priv.h> 44 45 MODULE_ID("$Id: lib_clreol.c,v 1.4 2010/01/12 23:22:05 nicm Exp $") 46 47 NCURSES_EXPORT(int) 48 wclrtoeol(WINDOW *win) 49 { 50 int code = ERR; 51 52 T((T_CALLED("wclrtoeol(%p)"), win)); 53 54 if (win) { 55 NCURSES_CH_T blank; 56 NCURSES_CH_T *ptr, *end; 57 struct ldat *line; 58 NCURSES_SIZE_T y = win->_cury; 59 NCURSES_SIZE_T x = win->_curx; 60 61 /* 62 * If we have just wrapped the cursor, the clear applies to the 63 * new line, unless we are at the lower right corner. 64 */ 65 if ((win->_flags & _WRAPPED) != 0 66 && y < win->_maxy) { 67 win->_flags &= ~_WRAPPED; 68 } 69 70 /* 71 * There's no point in clearing if we're not on a legal 72 * position, either. 73 */ 74 if ((win->_flags & _WRAPPED) != 0 75 || y > win->_maxy 76 || x > win->_maxx) 77 returnCode(ERR); 78 79 blank = win->_nc_bkgd; 80 line = &win->_line[y]; 81 CHANGED_TO_EOL(line, x, win->_maxx); 82 83 ptr = &(line->text[x]); 84 end = &(line->text[win->_maxx]); 85 86 while (ptr <= end) 87 *ptr++ = blank; 88 89 _nc_synchook(win); 90 code = OK; 91 } 92 returnCode(code); 93 } 94