lib_clreol.c revision 97050
18281Sjkh/**************************************************************************** 28281Sjkh * Copyright (c) 1998,1999,2000,2001 Free Software Foundation, Inc. * 38281Sjkh * * 48281Sjkh * Permission is hereby granted, free of charge, to any person obtaining a * 58281Sjkh * copy of this software and associated documentation files (the * 68281Sjkh * "Software"), to deal in the Software without restriction, including * 721673Sjkh * without limitation the rights to use, copy, modify, merge, publish, * 88281Sjkh * distribute, distribute with modifications, sublicense, and/or sell * 98281Sjkh * copies of the Software, and to permit persons to whom the Software is * 108281Sjkh * furnished to do so, subject to the following conditions: * 118281Sjkh * * 128281Sjkh * The above copyright notice and this permission notice shall be included * 138281Sjkh * in all copies or substantial portions of the Software. * 148281Sjkh * * 158281Sjkh * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 168881Srgrimes * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 178881Srgrimes * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 188281Sjkh * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 198281Sjkh * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 208281Sjkh * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 218281Sjkh * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 228281Sjkh * * 238281Sjkh * Except as contained in this notice, the name(s) of the above copyright * 248281Sjkh * holders shall not be used in advertising or otherwise to promote the * 258281Sjkh * sale, use or other dealings in this Software without prior written * 268281Sjkh * authorization. * 278281Sjkh ****************************************************************************/ 288281Sjkh 298281Sjkh/**************************************************************************** 308281Sjkh * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 318281Sjkh * and: Eric S. Raymond <esr@snark.thyrsus.com> * 328281Sjkh ****************************************************************************/ 338281Sjkh 348281Sjkh/* 358281Sjkh** lib_clreol.c 368281Sjkh** 378281Sjkh** The routine wclrtoeol(). 388302Sjkh** 398307Sjkh*/ 408281Sjkh 418549Sjkh#include <curses.priv.h> 428549Sjkh 438302SjkhMODULE_ID("$Id: lib_clreol.c,v 1.21 2001/12/19 01:06:04 tom Exp $") 448549Sjkh 4512661SpeterNCURSES_EXPORT(int) 468302Sjkhwclrtoeol(WINDOW *win) 478302Sjkh{ 488549Sjkh int code = ERR; 498549Sjkh 508302Sjkh T((T_CALLED("wclrtoeol(%p)"), win)); 5118650Sjkh 528549Sjkh if (win) { 538549Sjkh NCURSES_CH_T blank; 5418650Sjkh NCURSES_CH_T *ptr, *end; 558549Sjkh struct ldat *line; 568549Sjkh NCURSES_SIZE_T y = win->_cury; 5718650Sjkh NCURSES_SIZE_T x = win->_curx; 5812661Speter 598549Sjkh /* 608549Sjkh * If we have just wrapped the cursor, the clear applies to the 618549Sjkh * new line, unless we are at the lower right corner. 628549Sjkh */ 638549Sjkh if ((win->_flags & _WRAPPED) != 0 648302Sjkh && y < win->_maxy) { 658549Sjkh win->_flags &= ~_WRAPPED; 6618744Sjkh } 6718744Sjkh 688302Sjkh /* 698302Sjkh * There's no point in clearing if we're not on a legal 7018744Sjkh * position, either. 7118744Sjkh */ 728302Sjkh if ((win->_flags & _WRAPPED) != 0 738549Sjkh || y > win->_maxy 748302Sjkh || x > win->_maxx) 758549Sjkh returnCode(ERR); 7618744Sjkh 778302Sjkh blank = win->_nc_bkgd; 7818744Sjkh line = &win->_line[y]; 7918744Sjkh CHANGED_TO_EOL(line, x, win->_maxx); 8019992Sphk 8117404Sjkh ptr = &(line->text[x]); 8217362Sjkh end = &(line->text[win->_maxx]); 8319992Sphk 8419992Sphk while (ptr <= end) 8519992Sphk *ptr++ = blank; 8619992Sphk 8719992Sphk _nc_synchook(win); 8819992Sphk code = OK; 8912661Speter } 908302Sjkh returnCode(code); 918549Sjkh} 928668Sphk