1 /*
2 * Copyright (c) 1981, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
4 *
5 * %sccs.include.redist.c%
6 */
7
8 #ifndef lint
9 static char sccsid[] = "@(#)clrtoeol.c 8.2 (Berkeley) 05/04/94";
10 #endif /* not lint */
11
12 #include "curses.h"
13
14 /*
15 * wclrtoeol --
16 * Clear up to the end of line.
17 */
18 int
wclrtoeol(win)19 wclrtoeol(win)
20 register WINDOW *win;
21 {
22 register int minx, x, y;
23 register __LDATA *end, *maxx, *sp;
24
25 y = win->cury;
26 x = win->curx;
27 if (win->lines[y]->flags & __ISPASTEOL) {
28 if (y < win->maxy - 1) {
29 y++;
30 x = 0;
31 } else
32 return (OK);
33 }
34 end = &win->lines[y]->line[win->maxx];
35 minx = -1;
36 maxx = &win->lines[y]->line[x];
37 for (sp = maxx; sp < end; sp++)
38 if (sp->ch != ' ' || sp->attr != 0) {
39 maxx = sp;
40 if (minx == -1)
41 minx = sp - win->lines[y]->line;
42 sp->ch = ' ';
43 sp->attr = 0;
44 }
45 #ifdef DEBUG
46 __CTRACE("CLRTOEOL: minx = %d, maxx = %d, firstch = %d, lastch = %d\n",
47 minx, maxx - win->lines[y]->line, *win->lines[y]->firstchp,
48 *win->lines[y]->lastchp);
49 #endif
50 /* Update firstch and lastch for the line. */
51 return (__touchline(win, y, x, win->maxx - 1, 0));
52 }
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