xref: /netbsd-src/lib/libcurses/scanw.c (revision 1ca5c1b28139779176bd5c13ad7c5f25c0bcd5f8)
1 /*	$NetBSD: scanw.c,v 1.15 2000/12/30 17:20:55 martin 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 1.15 2000/12/30 17:20:55 martin Exp $");
42 #endif
43 #endif				/* not lint */
44 
45 /*
46  * scanw and friends.
47  */
48 
49 #ifdef __STDC__
50 #include <stdarg.h>
51 #else
52 #include <varargs.h>
53 #endif
54 
55 #include "curses.h"
56 
57 /*
58  * scanw --
59  *	Implement a scanf on the standard screen.
60  */
61 int
62 #ifdef __STDC__
63 scanw(const char *fmt,...)
64 #else
65 scanw(fmt, va_alist)
66 	const char   *fmt;
67 va_dcl
68 #endif
69 {
70 	va_list ap;
71 	int     ret;
72 
73 #ifdef __STDC__
74 	va_start(ap, fmt);
75 #else
76 	va_start(ap);
77 #endif
78 	ret = vwscanw(stdscr, fmt, ap);
79 	va_end(ap);
80 	return (ret);
81 }
82 /*
83  * wscanw --
84  *	Implements a scanf on the given window.
85  */
86 int
87 #ifdef __STDC__
88 wscanw(WINDOW *win, const char *fmt,...)
89 #else
90 wscanw(win, fmt, va_alist)
91 	WINDOW *win;
92 	const char   *fmt;
93 va_dcl
94 #endif
95 {
96 	va_list ap;
97 	int     ret;
98 
99 #ifdef __STDC__
100 	va_start(ap, fmt);
101 #else
102 	va_start(ap);
103 #endif
104 	ret = vwscanw(win, fmt, ap);
105 	va_end(ap);
106 	return (ret);
107 }
108 /*
109  * mvscanw, mvwscanw --
110  *	Implement the mvscanw commands.  Due to the variable number of
111  *	arguments, they cannot be macros.  Another sigh....
112  */
113 int
114 #ifdef __STDC__
115 mvscanw(int y, int x, const char *fmt,...)
116 #else
117 mvscanw(y, x, fmt, va_alist)
118 	int     y, x;
119 	const char   *fmt;
120 va_dcl
121 #endif
122 {
123 	va_list ap;
124 	int     ret;
125 
126 	if (move(y, x) != OK)
127 		return (ERR);
128 #ifdef __STDC__
129 	va_start(ap, fmt);
130 #else
131 	va_start(ap);
132 #endif
133 	ret = vwscanw(stdscr, fmt, ap);
134 	va_end(ap);
135 	return (ret);
136 }
137 
138 int
139 #ifdef __STDC__
140 mvwscanw(WINDOW * win, int y, int x, const char *fmt,...)
141 #else
142 mvwscanw(win, y, x, fmt, va_alist)
143 	WINDOW *win;
144 	int     y, x;
145 	const char   *fmt;
146 va_dcl
147 #endif
148 {
149 	va_list ap;
150 	int     ret;
151 
152 	if (move(y, x) != OK)
153 		return (ERR);
154 #ifdef __STDC__
155 	va_start(ap, fmt);
156 #else
157 	va_start(ap);
158 #endif
159 	ret = vwscanw(win, fmt, ap);
160 	va_end(ap);
161 	return (ret);
162 }
163 /*
164  * vwscanw --
165  *	This routine actually executes the scanf from the window.
166  */
167 int
168 vwscanw(WINDOW *win, const char *fmt, _BSD_VA_LIST_ ap)
169 {
170 
171 	char    buf[1024];
172 
173 	return (wgetstr(win, buf) == OK ?
174 	    vsscanf(buf, fmt, ap) : ERR);
175 }
176