xref: /illumos-gate/usr/src/lib/libcurses/screen/vwscanw.c (revision ddb365bfc9e868ad24ccdcb0dc91af18b10df082)
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 /*
43  * scanw and friends
44  *
45  */
46 #include	<sys/types.h>
47 #include	"curses_inc.h"
48 #include	<stdarg.h>
49 
50 /*
51  *	This routine actually executes the scanf from the window.
52  *
53  *	This code calls _vsscanf, which is like sscanf except
54  * 	that it takes a va_list as an argument pointer instead
55  *	of the argument list itself.  We provide one until
56  *	such a routine becomes available.
57  */
58 
59 /*VARARGS2*/
60 int
61 vwscanw(WINDOW *win, char *fmt, va_list ap)
62 {
63 	wchar_t code[256];
64 	char	*buf;
65 	int	n;
66 
67 	if (wgetwstr(win, code) == ERR)
68 		n = ERR;
69 	else	{
70 		buf = _strcode2byte(code, NULL, -1);
71 		n = _vsscanf(buf, fmt, ap);
72 	}
73 
74 	va_end(ap);
75 	return (n);
76 }
77