1 /* $NetBSD: clrtoeol.c,v 1.8 1997/07/22 07:36:29 mikel Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)clrtoeol.c 8.2 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: clrtoeol.c,v 1.8 1997/07/22 07:36:29 mikel Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include "curses.h" 46 47 /* 48 * wclrtoeol -- 49 * Clear up to the end of line. 50 */ 51 int 52 wclrtoeol(win) 53 register WINDOW *win; 54 { 55 register int minx, x, y; 56 register __LDATA *end, *maxx, *sp; 57 58 y = win->cury; 59 x = win->curx; 60 if (win->lines[y]->flags & __ISPASTEOL) { 61 if (y < win->maxy - 1) { 62 y++; 63 x = 0; 64 } else 65 return (OK); 66 } 67 end = &win->lines[y]->line[win->maxx]; 68 minx = -1; 69 maxx = &win->lines[y]->line[x]; 70 for (sp = maxx; sp < end; sp++) 71 if (sp->ch != ' ' || sp->attr != 0) { 72 maxx = sp; 73 if (minx == -1) 74 minx = sp - win->lines[y]->line; 75 sp->ch = ' '; 76 sp->attr = 0; 77 } 78 #ifdef DEBUG 79 __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", 80 minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp, 81 *win->lines[y]->lastchp); 82 #endif 83 /* Update firstch and lastch for the line. */ 84 return (__touchline(win, y, x, win->maxx - 1, 0)); 85 } 86 87 88 89 90 91