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 /*LINTLIBRARY*/
16
17 #ifndef lint
18 static char
19 sccsid[] = "@(#)insertln.c 1.6 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
20 #endif /* not lint */
21
22 #include "curses.ext"
23 #include <string.h>
24
25 /*
26 * This routine performs an insert-line on the window, leaving
27 * (_cury,_curx) unchanged.
28 */
29
30 int
winsertln(WINDOW * win)31 winsertln(WINDOW *win)
32 {
33 char *temp;
34 int y;
35 char *end;
36
37 #ifdef DEBUG
38 fprintf(outf, "INSERTLN(%0.2o)\n", win);
39 #endif
40 if (win->_orig == NULL)
41 temp = win->_y[win->_maxy - 1];
42 for (y = win->_maxy - 1; y > win->_cury; --y) {
43 if (win->_orig == NULL)
44 win->_y[y] = win->_y[y - 1];
45 else
46 (void) memmove(win->_y[y], win->_y[y-1], win->_maxx);
47 (void) touchline(win, y, 0, win->_maxx - 1);
48 }
49 if (win->_orig == NULL)
50 win->_y[y] = temp;
51 else
52 temp = win->_y[y];
53 for (end = &temp[win->_maxx]; temp < end; )
54 *temp++ = ' ';
55 (void) touchline(win, y, 0, win->_maxx - 1);
56 if (win->_orig == NULL)
57 _id_subwins(win);
58 return (OK);
59 }
60