1 /* 2 * Copyright (c) 1981, 1993, 1994 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 static char sccsid[] = "@(#)clrtoeol.c 8.2 (Berkeley) 5/4/94"; 36 #endif /* not lint */ 37 38 #include "curses.h" 39 40 /* 41 * wclrtoeol -- 42 * Clear up to the end of line. 43 */ 44 int 45 wclrtoeol(win) 46 register WINDOW *win; 47 { 48 register int minx, x, y; 49 register __LDATA *end, *maxx, *sp; 50 51 y = win->cury; 52 x = win->curx; 53 if (win->lines[y]->flags & __ISPASTEOL) { 54 if (y < win->maxy - 1) { 55 y++; 56 x = 0; 57 } else 58 return (OK); 59 } 60 end = &win->lines[y]->line[win->maxx]; 61 minx = -1; 62 maxx = &win->lines[y]->line[x]; 63 for (sp = maxx; sp < end; sp++) 64 if (sp->ch != ' ' || sp->attr != 0) { 65 maxx = sp; 66 if (minx == -1) 67 minx = sp - win->lines[y]->line; 68 sp->ch = ' '; 69 sp->attr = 0; 70 } 71 #ifdef DEBUG 72 __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", 73 minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp, 74 *win->lines[y]->lastchp); 75 #endif 76 /* Update firstch and lastch for the line. */ 77 return (__touchline(win, y, x, win->maxx - 1, 0)); 78 } 79 80 81 82 83 84