xref: /illumos-gate/usr/src/lib/libxcurses2/src/libc/xcurses/waddnws.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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) 1995-1999 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /* LINTLIBRARY */
30 
31 /*
32  * waddnws.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/waddnws.c 1.5 1998/05/26 20:00:57 "
45 "cbates Exp $";
46 #endif
47 #endif
48 
49 #include <private.h>
50 #include <limits.h>
51 
52 int
53 waddnwstr(WINDOW *w, const wchar_t *wcs, int n)
54 {
55 	cchar_t	cc;
56 	short	oflags;
57 
58 	if (n < 0)
59 		n = INT_MAX;
60 
61 	/*
62 	 * Disable window flushing until the entire string has
63 	 * been written into the window.
64 	 */
65 	oflags = w->_flags & (W_FLUSH | W_SYNC_UP);
66 	w->_flags &= ~(W_FLUSH | W_SYNC_UP);
67 
68 	for (; *wcs != '\0' && 0 < n; wcs++, n--) {
69 		if (__m_wc_cc(*wcs, &cc) < 0)
70 			return (ERR);
71 		cc._at = w->_bg._at;
72 		if (__m_wadd_wch(w, &cc) == ERR)
73 			return (ERR);
74 	}
75 	w->_flags |= oflags;
76 
77 	WSYNC(w);
78 
79 	return (WFLUSH(w));
80 }
81