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 (c) 1995-1998 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /* LINTLIBRARY */
30
31 /*
32 * winnwstr.c
33 *
34 * XCurses Library
35 *
36 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
37 *
38 */
39
40 #if M_RCSID
41 #ifndef lint
42 static char rcsID[] =
43 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/"
44 "libxcurses/src/libc/xcurses/rcs/winnwstr.c 1.4 1998/05/27 19:20:06 "
45 "cbates Exp $";
46 #endif
47 #endif
48
49 #include <private.h>
50
51 int
winnwstr(WINDOW * w,wchar_t * wcs,int n)52 winnwstr(WINDOW *w, wchar_t *wcs, int n)
53 {
54 int i, y, x;
55 int j = 0;
56 cchar_t *cp;
57
58 if (n < 0)
59 n = w->_maxx;
60
61 for (x = w->_curx; x < w->_maxx && 0 < n; n -= i) {
62 cp = &w->_line[y = w->_cury][x];
63
64 /* Will entire character fit into buffer? */
65 if (n < cp->_n)
66 break;
67
68 /* Copy only the character portion. */
69 for (i = 0; i < cp->_n; ++i) {
70 *wcs++ = cp->_wc[i];
71 j++;
72 }
73
74 x = __m_cc_next(w, y, x);
75 }
76
77 /* Enough room to null terminate the buffer? */
78 if (0 < n)
79 *wcs = '\0';
80
81 return (j);
82 }
83