clrtoeol.c revision 1.7.2.2 1 1.7.2.2 cgd /*
2 1.7.2.2 cgd * Copyright (c) 1981, 1993, 1994
3 1.7.2.2 cgd * The Regents of the University of California. All rights reserved.
4 1.7.2.2 cgd *
5 1.7.2.2 cgd * Redistribution and use in source and binary forms, with or without
6 1.7.2.2 cgd * modification, are permitted provided that the following conditions
7 1.7.2.2 cgd * are met:
8 1.7.2.2 cgd * 1. Redistributions of source code must retain the above copyright
9 1.7.2.2 cgd * notice, this list of conditions and the following disclaimer.
10 1.7.2.2 cgd * 2. Redistributions in binary form must reproduce the above copyright
11 1.7.2.2 cgd * notice, this list of conditions and the following disclaimer in the
12 1.7.2.2 cgd * documentation and/or other materials provided with the distribution.
13 1.7.2.2 cgd * 3. All advertising materials mentioning features or use of this software
14 1.7.2.2 cgd * must display the following acknowledgement:
15 1.7.2.2 cgd * This product includes software developed by the University of
16 1.7.2.2 cgd * California, Berkeley and its contributors.
17 1.7.2.2 cgd * 4. Neither the name of the University nor the names of its contributors
18 1.7.2.2 cgd * may be used to endorse or promote products derived from this software
19 1.7.2.2 cgd * without specific prior written permission.
20 1.7.2.2 cgd *
21 1.7.2.2 cgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 1.7.2.2 cgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 1.7.2.2 cgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 1.7.2.2 cgd * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 1.7.2.2 cgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 1.7.2.2 cgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 1.7.2.2 cgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 1.7.2.2 cgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 1.7.2.2 cgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 1.7.2.2 cgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 1.7.2.2 cgd * SUCH DAMAGE.
32 1.7.2.2 cgd */
33 1.7.2.2 cgd
34 1.7.2.2 cgd #ifndef lint
35 1.7.2.2 cgd static char sccsid[] = "@(#)clrtoeol.c 8.2 (Berkeley) 5/4/94";
36 1.7.2.2 cgd #endif /* not lint */
37 1.7.2.2 cgd
38 1.7.2.2 cgd #include "curses.h"
39 1.7.2.2 cgd
40 1.7.2.2 cgd /*
41 1.7.2.2 cgd * wclrtoeol --
42 1.7.2.2 cgd * Clear up to the end of line.
43 1.7.2.2 cgd */
44 1.7.2.2 cgd int
45 1.7.2.2 cgd wclrtoeol(win)
46 1.7.2.2 cgd register WINDOW *win;
47 1.7.2.2 cgd {
48 1.7.2.2 cgd register int minx, x, y;
49 1.7.2.2 cgd register __LDATA *end, *maxx, *sp;
50 1.7.2.2 cgd
51 1.7.2.2 cgd y = win->cury;
52 1.7.2.2 cgd x = win->curx;
53 1.7.2.2 cgd if (win->lines[y]->flags & __ISPASTEOL) {
54 1.7.2.2 cgd if (y < win->maxy - 1) {
55 1.7.2.2 cgd y++;
56 1.7.2.2 cgd x = 0;
57 1.7.2.2 cgd } else
58 1.7.2.2 cgd return (OK);
59 1.7.2.2 cgd }
60 1.7.2.2 cgd end = &win->lines[y]->line[win->maxx];
61 1.7.2.2 cgd minx = -1;
62 1.7.2.2 cgd maxx = &win->lines[y]->line[x];
63 1.7.2.2 cgd for (sp = maxx; sp < end; sp++)
64 1.7.2.2 cgd if (sp->ch != ' ' || sp->attr != 0) {
65 1.7.2.2 cgd maxx = sp;
66 1.7.2.2 cgd if (minx == -1)
67 1.7.2.2 cgd minx = sp - win->lines[y]->line;
68 1.7.2.2 cgd sp->ch = ' ';
69 1.7.2.2 cgd sp->attr = 0;
70 1.7.2.2 cgd }
71 1.7.2.2 cgd #ifdef DEBUG
72 1.7.2.2 cgd __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n",
73 1.7.2.2 cgd minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp,
74 1.7.2.2 cgd *win->lines[y]->lastchp);
75 1.7.2.2 cgd #endif
76 1.7.2.2 cgd /* Update firstch and lastch for the line. */
77 1.7.2.2 cgd return (__touchline(win, y, x, win->maxx - 1, 0));
78 1.7.2.2 cgd }
79 1.7.2.2 cgd
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