1 /*
2 * Copyright 2001 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5
6 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
7 /* All Rights Reserved */
8
9 /*
10 * Copyright (c) 1980 Regents of the University of California.
11 * All rights reserved. The Berkeley software License Agreement
12 * specifies the terms and conditions for redistribution.
13 */
14
15 #pragma ident "%Z%%M% %I% %E% SMI"
16
17 /*LINTLIBRARY*/
18
19 #ifndef lint
20 static char
21 sccsid[] = "@(#)insertln.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22 #endif /* not lint */
23
24 #include "curses.ext"
25 #include <string.h>
26
27 /*
28 * This routine performs an insert-line on the window, leaving
29 * (_cury,_curx) unchanged.
30 */
31
32 int
winsertln(WINDOW * win)33 winsertln(WINDOW *win)
34 {
35 char *temp;
36 int y;
37 char *end;
38
39 #ifdef DEBUG
40 fprintf(outf, "INSERTLN(%0.2o)\n", win);
41 #endif
42 if (win->_orig == NULL)
43 temp = win->_y[win->_maxy - 1];
44 for (y = win->_maxy - 1; y > win->_cury; --y) {
45 if (win->_orig == NULL)
46 win->_y[y] = win->_y[y - 1];
47 else
48 (void) memmove(win->_y[y], win->_y[y-1], win->_maxx);
49 (void) touchline(win, y, 0, win->_maxx - 1);
50 }
51 if (win->_orig == NULL)
52 win->_y[y] = temp;
53 else
54 temp = win->_y[y];
55 for (end = &temp[win->_maxx]; temp < end; )
56 *temp++ = ' ';
57 (void) touchline(win, y, 0, win->_maxx - 1);
58 if (win->_orig == NULL)
59 _id_subwins(win);
60 return (OK);
61 }
62