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 #pragma ident "%Z%%M% %I% %E% SMI"
28
29 /*
30 * waddnstr.c
31 *
32 * XCurses Library
33 *
34 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved.
35 *
36 */
37
38 #if M_RCSID
39 #ifndef lint
40 static char rcsID[] = "$Header: /rd/src/libc/xcurses/rcs/waddnstr.c 1.3 1995/06/21 20:30:55 ant Exp $";
41 #endif
42 #endif
43
44 #include <private.h>
45 #include <limits.h>
46
47 int
waddnstr(w,str,n)48 waddnstr(w, str, n)
49 WINDOW *w;
50 const char *str;
51 int n;
52 {
53 int i;
54 cchar_t cc;
55 short oflags;
56
57 #ifdef M_CURSES_TRACE
58 __m_trace("waddnstr(%p, %p = \"%s\", %d)", w, str, str, n);
59 #endif
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 ( ; *str != '\0' && 0 < n; n -= i, str += i) {
71 if ((i = __m_mbs_cc(str, w->_bg._at, w->_bg._co, &cc)) < 0
72 || wadd_wch(w, &cc) == ERR)
73 return __m_return_code("waddnstr", ERR);
74 }
75
76 w->_flags |= oflags;
77
78 WSYNC(w);
79
80 return __m_return_code("waddnstr", WFLUSH(w));
81 }
82