/* * Copyright (c) 1981, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static char sccsid[] = "@(#)clrtoeol.c 8.1 (Berkeley) 6/4/93"; #endif /* not lint */ #include /* * wclrtoeol -- * Clear up to the end of line. */ int wclrtoeol(win) register WINDOW *win; { register int minx, x, y; register __LDATA *end, *maxx, *sp; y = win->cury; x = win->curx; if (win->lines[y]->flags & __ISPASTEOL) { if (y < win->maxy - 1) { y++; x = 0; } else return (OK); } end = &win->lines[y]->line[win->maxx]; minx = -1; maxx = &win->lines[y]->line[x]; for (sp = maxx; sp < end; sp++) if (sp->ch != ' ' || sp->attr != 0) { maxx = sp; if (minx == -1) minx = sp - win->lines[y]->line; sp->ch = ' '; sp->attr = 0; } #ifdef DEBUG __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n", minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp, *win->lines[y]->lastchp); #endif /* Update firstch and lastch for the line. */ return (__touchline(win, y, x, win->maxx - 1, 0)); }