1 /* 2 * Copyright (c) 1981, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /* from: static char sccsid[] = "@(#)clrtoeol.c 8.1 (Berkeley) 6/4/93"; */ 36 static char *rcsid = "$Id: clrtoeol.c,v 1.6 1993/11/09 04:07:02 cgd Exp $"; 37 #endif /* not lint */ 38 39 #include <curses.h> 40 41 /* 42 * wclrtoeol -- 43 * Clear up to the end of line. 44 */ 45 int 46 wclrtoeol(win) 47 register WINDOW *win; 48 { 49 register int minx, x, y; 50 register __LDATA *end, *maxx, *sp; 51 52 y = win->cury; 53 x = win->curx; 54 if (win->lines[y]->flags & __ISPASTEOL) { 55 if (y < win->maxy - 1) { 56 y++; 57 x = 0; 58 } else 59 return (OK); 60 } 61 end = &win->lines[y]->line[win->maxx]; 62 minx = -1; 63 maxx = &win->lines[y]->line[x]; 64 for (sp = maxx; sp < end; sp++) 65 if (sp->ch != ' ' || sp->attr != 0) { 66 maxx = sp; 67 if (minx == -1) 68 minx = sp - win->lines[y]->line; 69 sp->ch = ' '; 70 sp->attr = 0; 71 } 72 #ifdef DEBUG 73 __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", 74 minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp, 75 *win->lines[y]->lastchp); 76 #endif 77 /* Update firstch and lastch for the line. */ 78 return (__touchline(win, y, x, win->maxx - 1, 0)); 79 } 80 81 82 83 84 85