1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 #pragma ident "%Z%%M% %I% %E% SMI"
41
42 /*LINTLIBRARY*/
43
44 #include <sys/types.h>
45 #include "curses_inc.h"
46
47 /*
48 * Add ncols worth of data to win, using string as input.
49 * Return the number of chtypes copied.
50 */
51 int
waddchnstr(WINDOW * win,chtype * string,int ncols)52 waddchnstr(WINDOW *win, chtype *string, int ncols)
53 {
54 short my_x = win->_curx;
55 short my_y = win->_cury;
56 int remcols;
57 int b;
58 int sw;
59 int ew;
60
61 if (ncols < 0) {
62 remcols = win->_maxx - my_x;
63 while (*string && remcols) {
64 sw = mbscrw((int)(_CHAR(*string)));
65 ew = mbeucw((int)(_CHAR(*string)));
66 if (remcols < sw)
67 break;
68 for (b = 0; b < ew; b++) {
69 if (waddch(win, *string++) == ERR)
70 goto out;
71 }
72 remcols -= sw;
73 }
74 } else {
75 remcols = win->_maxx - my_x;
76 while ((*string) && (remcols > 0) && (ncols > 0)) {
77 sw = mbscrw((int)(_CHAR(*string)));
78 ew = mbeucw((int)(_CHAR(*string)));
79 if ((remcols < sw) || (ncols < ew))
80 break;
81 for (b = 0; b < ew; b++) {
82 if (waddch(win, *string++) == ERR)
83 goto out;
84 }
85 remcols -= sw;
86 ncols -= ew;
87 }
88 }
89 out:
90 /* restore cursor position */
91 win->_curx = my_x;
92 win->_cury = my_y;
93
94 win->_flags |= _WINCHANGED;
95
96 /* sync with ancestor structures */
97 if (win->_sync)
98 wsyncup(win);
99
100 return (win->_immed ? wrefresh(win) : OK);
101 }
102