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 /*LINTLIBRARY*/
41
42 #include <sys/types.h>
43 #include "curses_inc.h"
44
45 /*
46 * Add ncols worth of data to win, using string as input.
47 * Return the number of chtypes copied.
48 */
49 int
waddchnstr(WINDOW * win,chtype * string,int ncols)50 waddchnstr(WINDOW *win, chtype *string, int ncols)
51 {
52 short my_x = win->_curx;
53 short my_y = win->_cury;
54 int remcols;
55 int b;
56 int sw;
57 int ew;
58
59 if (ncols < 0) {
60 remcols = win->_maxx - my_x;
61 while (*string && remcols) {
62 sw = mbscrw((int)(_CHAR(*string)));
63 ew = mbeucw((int)(_CHAR(*string)));
64 if (remcols < sw)
65 break;
66 for (b = 0; b < ew; b++) {
67 if (waddch(win, *string++) == ERR)
68 goto out;
69 }
70 remcols -= sw;
71 }
72 } else {
73 remcols = win->_maxx - my_x;
74 while ((*string) && (remcols > 0) && (ncols > 0)) {
75 sw = mbscrw((int)(_CHAR(*string)));
76 ew = mbeucw((int)(_CHAR(*string)));
77 if ((remcols < sw) || (ncols < ew))
78 break;
79 for (b = 0; b < ew; b++) {
80 if (waddch(win, *string++) == ERR)
81 goto out;
82 }
83 remcols -= sw;
84 ncols -= ew;
85 }
86 }
87 out:
88 /* restore cursor position */
89 win->_curx = my_x;
90 win->_cury = my_y;
91
92 win->_flags |= _WINCHANGED;
93
94 /* sync with ancestor structures */
95 if (win->_sync)
96 wsyncup(win);
97
98 return (win->_immed ? wrefresh(win) : OK);
99 }
100