xref: /netbsd/lib/libcurses/scanw.c (revision c4a72b64)
1 /*	$NetBSD: scanw.c,v 1.17 2002/06/26 18:14:06 christos Exp $	*/
2 
3 /*
4  * Copyright (c) 1981, 1993, 1994
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)scanw.c	8.3 (Berkeley) 5/4/94";
40 #else
41 __RCSID("$NetBSD: scanw.c,v 1.17 2002/06/26 18:14:06 christos Exp $");
42 #endif
43 #endif				/* not lint */
44 
45 /*
46  * scanw and friends.
47  */
48 
49 #include <stdarg.h>
50 
51 #include "curses.h"
52 
53 /*
54  * scanw --
55  *	Implement a scanf on the standard screen.
56  */
57 int
58 scanw(const char *fmt,...)
59 {
60 	va_list ap;
61 	int     ret;
62 
63 	va_start(ap, fmt);
64 	ret = vwscanw(stdscr, fmt, ap);
65 	va_end(ap);
66 	return (ret);
67 }
68 /*
69  * wscanw --
70  *	Implements a scanf on the given window.
71  */
72 int
73 wscanw(WINDOW *win, const char *fmt,...)
74 {
75 	va_list ap;
76 	int     ret;
77 
78 	va_start(ap, fmt);
79 	ret = vwscanw(win, fmt, ap);
80 	va_end(ap);
81 	return (ret);
82 }
83 /*
84  * mvscanw, mvwscanw --
85  *	Implement the mvscanw commands.  Due to the variable number of
86  *	arguments, they cannot be macros.  Another sigh....
87  */
88 int
89 mvscanw(int y, int x, const char *fmt,...)
90 {
91 	va_list ap;
92 	int     ret;
93 
94 	if (move(y, x) != OK)
95 		return (ERR);
96 	va_start(ap, fmt);
97 	ret = vwscanw(stdscr, fmt, ap);
98 	va_end(ap);
99 	return (ret);
100 }
101 
102 int
103 mvwscanw(WINDOW * win, int y, int x, const char *fmt,...)
104 {
105 	va_list ap;
106 	int     ret;
107 
108 	if (move(y, x) != OK)
109 		return (ERR);
110 	va_start(ap, fmt);
111 	ret = vwscanw(win, fmt, ap);
112 	va_end(ap);
113 	return (ret);
114 }
115 /*
116  * vwscanw --
117  *	This routine actually executes the scanf from the window.
118  */
119 int
120 vwscanw(WINDOW *win, const char *fmt, _BSD_VA_LIST_ ap)
121 {
122 
123 	char    buf[1024];
124 
125 	return (wgetnstr(win, buf, sizeof(buf)) == OK ?
126 	    vsscanf(buf, fmt, ap) : ERR);
127 }
128