274 lines
7.3 KiB
C
274 lines
7.3 KiB
C
/* $NetBSD: addbytes.c,v 1.19 2000/04/18 22:45:23 jdc Exp $ */
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/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)addbytes.c 8.4 (Berkeley) 5/4/94";
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#else
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__RCSID("$NetBSD: addbytes.c,v 1.19 2000/04/18 22:45:23 jdc Exp $");
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#endif
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#endif /* not lint */
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#include "curses.h"
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#include "curses_private.h"
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#define SYNCH_IN {y = win->cury; x = win->curx;}
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#define SYNCH_OUT {win->cury = y; win->curx = x;}
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#ifndef _CURSES_USE_MACROS
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/*
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* addbytes --
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* Add the character to the current position in stdscr.
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*/
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int
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addbytes(const char *bytes, int count)
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{
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return __waddbytes(stdscr, bytes, count, 0);
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}
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/*
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* waddbytes --
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* Add the character to the current position in the given window.
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*/
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int
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waddbytes(WINDOW *win, const char *bytes, int count)
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{
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return __waddbytes(win, bytes, count, 0);
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}
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/*
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* mvaddbytes --
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* Add the characters to stdscr at the location given.
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*/
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int
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mvaddbytes(int y, int x, const char *bytes, int count)
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{
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return mvwaddbytes(stdscr, y, x, bytes, count);
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}
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/*
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* mvwaddbytes --
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* Add the characters to the given window at the location given.
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*/
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int
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mvwaddbytes(WINDOW *win, int y, int x, const char *bytes, int count)
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{
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if (wmove(win, y, x) == ERR)
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return ERR;
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return __waddbytes(win, bytes, count, 0);
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}
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#endif
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/*
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* waddbytes --
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* Add the character to the current position in the given window.
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*/
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int
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__waddbytes(WINDOW *win, const char *bytes, int count, attr_t attr)
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{
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static char blanks[] = " ";
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int c, newx, x, y;
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attr_t attributes;
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__LINE *lp;
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SYNCH_IN;
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while (count--) {
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c = *bytes++;
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#ifdef DEBUG
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__CTRACE("ADDBYTES('%c', %x) at (%d, %d)\n", c, attr, y, x);
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#endif
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switch (c) {
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case '\t':
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SYNCH_OUT;
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if (waddbytes(win, blanks, 8 - (x % 8)) == ERR)
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return (ERR);
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SYNCH_IN;
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break;
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default:
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#ifdef DEBUG
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__CTRACE("ADDBYTES(%0.2o, %d, %d)\n", win, y, x);
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#endif
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lp = win->lines[y];
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if (lp->flags & __ISPASTEOL) {
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lp->flags &= ~__ISPASTEOL;
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newline: if (y == win->maxy - 1) {
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if (win->flags & __SCROLLOK) {
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SYNCH_OUT;
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scroll(win);
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SYNCH_IN;
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lp = win->lines[y];
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x = 0;
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} else
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return (ERR);
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} else {
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y++;
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lp = win->lines[y];
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x = 0;
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}
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if (c == '\n')
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break;
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}
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attributes = '\0';
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if (win->wattr & __STANDOUT || attr & __STANDOUT)
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attributes |= __STANDOUT;
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if (win->wattr & __UNDERSCORE || attr & __UNDERSCORE)
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attributes |= __UNDERSCORE;
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if (win->wattr & __REVERSE || attr & __REVERSE)
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attributes |= __REVERSE;
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if (win->wattr & __BLINK || attr & __BLINK)
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attributes |= __BLINK;
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if (win->wattr & __DIM || attr & __DIM)
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attributes |= __DIM;
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if (win->wattr & __BOLD || attr & __BOLD)
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attributes |= __BOLD;
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if (win->wattr & __BLANK || attr & __BLANK)
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attributes |= __BLANK;
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if (win->wattr & __PROTECT || attr & __PROTECT)
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attributes |= __PROTECT;
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if (win->wattr & __ALTCHARSET || attr & __ALTCHARSET)
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attributes |= __ALTCHARSET;
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if (attr & __COLOR)
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attributes |= attr & __COLOR;
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else if (win->wattr & __COLOR)
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attributes |= win->wattr & __COLOR;
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#ifdef DEBUG
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__CTRACE("ADDBYTES: 1: y = %d, x = %d, firstch = %d, lastch = %d\n",
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y, x, *win->lines[y]->firstchp,
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*win->lines[y]->lastchp);
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#endif
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if (lp->line[x].ch != c ||
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lp->line[x].attr != attributes ||
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lp->line[x].bch != win->bch ||
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lp->line[x].battr != win->battr) {
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newx = x + win->ch_off;
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if (!(lp->flags & __ISDIRTY))
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lp->flags |= __ISDIRTY;
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/*
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* firstchp/lastchp are shared between
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* parent window and sub-window.
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*/
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if (newx < *lp->firstchp)
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*lp->firstchp = newx;
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if (newx > *lp->lastchp)
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*lp->lastchp = newx;
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#ifdef DEBUG
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__CTRACE("ADDBYTES: change gives f/l: %d/%d [%d/%d]\n",
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*lp->firstchp, *lp->lastchp,
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*lp->firstchp - win->ch_off,
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*lp->lastchp - win->ch_off);
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#endif
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}
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lp->line[x].ch = c;
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lp->line[x].bch = win->bch;
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if (attributes & __STANDOUT)
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lp->line[x].attr |= __STANDOUT;
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else
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lp->line[x].attr &= ~__STANDOUT;
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if (attributes & __UNDERSCORE)
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lp->line[x].attr |= __UNDERSCORE;
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else
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lp->line[x].attr &= ~__UNDERSCORE;
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if (attributes & __REVERSE)
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lp->line[x].attr |= __REVERSE;
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else
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lp->line[x].attr &= ~__REVERSE;
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if (attributes & __BLINK)
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lp->line[x].attr |= __BLINK;
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else
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lp->line[x].attr &= ~__BLINK;
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if (attributes & __DIM)
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lp->line[x].attr |= __DIM;
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else
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lp->line[x].attr &= ~__DIM;
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if (attributes & __BOLD)
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lp->line[x].attr |= __BOLD;
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else
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lp->line[x].attr &= ~__BOLD;
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if (attributes & __BLANK)
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lp->line[x].attr |= __BLANK;
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else
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lp->line[x].attr &= ~__BLANK;
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if (attributes & __PROTECT)
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lp->line[x].attr |= __PROTECT;
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else
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lp->line[x].attr &= ~__PROTECT;
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if (attributes & __ALTCHARSET)
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lp->line[x].attr |= __ALTCHARSET;
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else
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lp->line[x].attr &= ~__ALTCHARSET;
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if (attributes & __COLOR) {
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lp->line[x].attr &= ~__COLOR;
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lp->line[x].attr |= attributes & __COLOR;
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} else
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lp->line[x].attr &= ~__COLOR;
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lp->line[x].battr = win->battr;
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if (x == win->maxx - 1)
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lp->flags |= __ISPASTEOL;
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else
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x++;
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#ifdef DEBUG
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__CTRACE("ADDBYTES: 2: y = %d, x = %d, firstch = %d, lastch = %d\n",
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y, x, *win->lines[y]->firstchp,
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*win->lines[y]->lastchp);
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#endif
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break;
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case '\n':
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SYNCH_OUT;
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wclrtoeol(win);
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SYNCH_IN;
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if (!NONL)
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x = 0;
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goto newline;
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case '\r':
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x = 0;
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break;
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case '\b':
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if (--x < 0)
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x = 0;
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break;
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}
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}
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SYNCH_OUT;
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return (OK);
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}
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