xref: /netbsd-src/lib/libcurses/scanw.c (revision dc306354b0b29af51801a7632f1e95265a68cd81)
1 /*	$NetBSD: scanw.c,v 1.9 1998/02/03 19:12:33 perry 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 1.9 1998/02/03 19:12:33 perry 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 	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 /*
84  * wscanw --
85  *	Implements a scanf on the given window.
86  */
87 int
88 #ifdef __STDC__
89 wscanw(WINDOW *win, const char *fmt, ...)
90 #else
91 wscanw(win, fmt, va_alist)
92 	WINDOW *win;
93 	char *fmt;
94 	va_dcl
95 #endif
96 {
97 	va_list ap;
98 	int ret;
99 
100 #ifdef __STDC__
101 	va_start(ap, fmt);
102 #else
103 	va_start(ap);
104 #endif
105 	ret = vwscanw(win, fmt, ap);
106 	va_end(ap);
107 	return (ret);
108 }
109 
110 /*
111  * mvscanw, mvwscanw --
112  *	Implement the mvscanw commands.  Due to the variable number of
113  *	arguments, they cannot be macros.  Another sigh....
114  */
115 int
116 #ifdef __STDC__
117 mvscanw(int y, int x, const char *fmt,...)
118 #else
119 mvscanw(y, x, fmt, va_alist)
120 	int y, x;
121 	char *fmt;
122 	va_dcl
123 #endif
124 {
125 	va_list ap;
126 	int ret;
127 
128 	if (move(y, x) != OK)
129 		return (ERR);
130 #ifdef __STDC__
131 	va_start(ap, fmt);
132 #else
133 	va_start(ap);
134 #endif
135 	ret = vwscanw(stdscr, fmt, ap);
136 	va_end(ap);
137 	return (ret);
138 }
139 
140 int
141 #ifdef __STDC__
142 mvwscanw(WINDOW * win, int y, int x,
143     const char *fmt, ...)
144 #else
145 mvwscanw(win, y, x, fmt, va_alist)
146 	WINDOW *win;
147 	int y, x;
148 	char *fmt;
149 	va_dcl
150 #endif
151 {
152 	va_list ap;
153 	int ret;
154 
155 	if (move(y, x) != OK)
156 		return (ERR);
157 #ifdef __STDC__
158 	va_start(ap, fmt);
159 #else
160 	va_start(ap);
161 #endif
162 	ret = vwscanw(win, fmt, ap);
163 	va_end(ap);
164 	return (ret);
165 }
166 
167 /*
168  * vwscanw --
169  *	This routine actually executes the scanf from the window.
170  */
171 int
172 vwscanw(win, fmt, ap)
173 	WINDOW *win;
174 	const char *fmt;
175 	va_list ap;
176 {
177 
178 	char buf[1024];
179 
180 	return (wgetstr(win, buf) == OK ?
181 	    vsscanf(buf, fmt, ap) : ERR);
182 }
183