xref: /onnv-gate/usr/src/ucblib/libcurses/clrtoeol.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2001 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*0Sstevel@tonic-gate 
9*0Sstevel@tonic-gate /*
10*0Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*0Sstevel@tonic-gate  * All rights reserved.  The Berkeley software License Agreement
12*0Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*0Sstevel@tonic-gate  */
14*0Sstevel@tonic-gate 
15*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*0Sstevel@tonic-gate 
17*0Sstevel@tonic-gate /*LINTLIBRARY*/
18*0Sstevel@tonic-gate 
19*0Sstevel@tonic-gate #ifndef lint
20*0Sstevel@tonic-gate static char
21*0Sstevel@tonic-gate sccsid[] = "@(#)clrtoeol.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22*0Sstevel@tonic-gate #endif /* not lint */
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate #include	<stddef.h>
25*0Sstevel@tonic-gate #include	"curses.ext"
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*
28*0Sstevel@tonic-gate  *	This routine clears up to the end of line
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate int
wclrtoeol(WINDOW * win)32*0Sstevel@tonic-gate wclrtoeol(WINDOW *win)
33*0Sstevel@tonic-gate {
34*0Sstevel@tonic-gate 	char	*sp, *end;
35*0Sstevel@tonic-gate 	int	y, x;
36*0Sstevel@tonic-gate 	char	*maxx;
37*0Sstevel@tonic-gate 	ptrdiff_t	minx;
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate 	y = win->_cury;
40*0Sstevel@tonic-gate 	x = win->_curx;
41*0Sstevel@tonic-gate 	end = &win->_y[y][win->_maxx];
42*0Sstevel@tonic-gate 	minx = _NOCHANGE;
43*0Sstevel@tonic-gate 	maxx = &win->_y[y][x];
44*0Sstevel@tonic-gate 	for (sp = maxx; sp < end; sp++)
45*0Sstevel@tonic-gate 		if (*sp != ' ') {
46*0Sstevel@tonic-gate 			maxx = sp;
47*0Sstevel@tonic-gate 			if (minx == _NOCHANGE)
48*0Sstevel@tonic-gate 				minx = sp - win->_y[y];
49*0Sstevel@tonic-gate 			*sp = ' ';
50*0Sstevel@tonic-gate 		}
51*0Sstevel@tonic-gate 	/*
52*0Sstevel@tonic-gate 	 * update firstch and lastch for the line
53*0Sstevel@tonic-gate 	 */
54*0Sstevel@tonic-gate 	(void) touchline(win, y, win->_curx, win->_maxx - 1);
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate #ifdef DEBUG
57*0Sstevel@tonic-gate 	fprintf(outf, "CLRTOEOL: minx = %d, maxx = %d, firstch = %d,"
58*0Sstevel@tonic-gate 	    " lastch = %d\n", minx, maxx - win->_y[y], win->_firstch[y],
59*0Sstevel@tonic-gate 	    win->_lastch[y]);
60*0Sstevel@tonic-gate #endif
61*0Sstevel@tonic-gate 	return (OK);
62*0Sstevel@tonic-gate }
63