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, by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 /*
28  * wins_nws.c
29  *
30  * XCurses Library
31  *
32  * Copyright 1990, 1994 by Mortice Kern Systems Inc.  All rights reserved.
33  *
34  */
35 
36 #ifdef M_RCSID
37 #ifndef lint
38 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/winsnstr.c 1.2 1995/06/21 20:31:02 ant Exp $";
39 #endif
40 #endif
41 
42 #include <private.h>
43 
44 int
winsnstr(w,mbs,n)45 winsnstr(w, mbs, n)
46 WINDOW *w;
47 const char *mbs;
48 int n;
49 {
50 	cchar_t cc;
51 	int i, y, x;
52 	short oflags;
53 
54 #ifdef M_CURSES_TRACE
55 	__m_trace("winsnstr(%p, %p, n)", w, mbs, n);
56 #endif
57 
58 	y = w->_cury;
59 	x = w->_curx;
60 
61 	if (n < 0)
62 		n = INT_MAX;
63 
64 	/* Disable window flushing until the entire string has
65 	 * been written into the window.
66 	 */
67 	oflags = w->_flags & (W_FLUSH | W_SYNC_UP);
68 	w->_flags &= ~(W_FLUSH | W_SYNC_UP);
69 
70 	for ( ; *mbs != '\0' && 0 < n; n -= i, mbs += i) {
71 		if ((i = __m_mbs_cc(mbs, w->_bg._at, w->_bg._co, &cc)) < 0
72 		|| __m_wins_wch(w, y, x, &cc, &y, &x) == ERR)
73 			return __m_return_code("winsnstr", ERR);
74 	}
75 
76 	w->_flags |= oflags;
77 
78 	WSYNC(w);
79 
80 	return __m_return_code("winsnstr", WFLUSH(w));
81 }
82