xref: /openbsd/lib/libcurses/base/lib_scanw.c (revision 404b540a)
1 /*	$OpenBSD: lib_scanw.c,v 1.2 2001/01/22 18:01:43 millert Exp $	*/
2 
3 /****************************************************************************
4  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
26  * holders shall not be used in advertising or otherwise to promote the     *
27  * sale, use or other dealings in this Software without prior written       *
28  * authorization.                                                           *
29  ****************************************************************************/
30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  ****************************************************************************/
35 
36 /*
37 **	lib_scanw.c
38 **
39 **	The routines scanw(), wscanw() and friends.
40 **
41 */
42 
43 #include <curses.priv.h>
44 
45 MODULE_ID("$From: lib_scanw.c,v 1.10 2000/12/10 02:43:27 tom Exp $")
46 
47 #if !HAVE_VSSCANF
48 #if defined(__QNX__)
49 extern int vsscanf(const char *str, const char *format, __va_list __arg);
50 #else
51 extern int vsscanf(const char *str, const char *format,...);
52 #endif
53 #endif
54 
55 NCURSES_EXPORT(int)
56 vwscanw(WINDOW *win, NCURSES_CONST char *fmt, va_list argp)
57 {
58     char buf[BUFSIZ];
59 
60     if (wgetnstr(win, buf, sizeof(buf) - 1) == ERR)
61 	return (ERR);
62 
63     return (vsscanf(buf, fmt, argp));
64 }
65 
66 NCURSES_EXPORT(int)
67 scanw(NCURSES_CONST char *fmt,...)
68 {
69     int code;
70     va_list ap;
71 
72     T(("scanw(\"%s\",...) called", fmt));
73 
74     va_start(ap, fmt);
75     code = vwscanw(stdscr, fmt, ap);
76     va_end(ap);
77     return (code);
78 }
79 
80 NCURSES_EXPORT(int)
81 wscanw(WINDOW *win, NCURSES_CONST char *fmt,...)
82 {
83     int code;
84     va_list ap;
85 
86     T(("wscanw(%p,\"%s\",...) called", win, fmt));
87 
88     va_start(ap, fmt);
89     code = vwscanw(win, fmt, ap);
90     va_end(ap);
91     return (code);
92 }
93 
94 NCURSES_EXPORT(int)
95 mvscanw(int y, int x, NCURSES_CONST char *fmt,...)
96 {
97     int code;
98     va_list ap;
99 
100     va_start(ap, fmt);
101     code = (move(y, x) == OK) ? vwscanw(stdscr, fmt, ap) : ERR;
102     va_end(ap);
103     return (code);
104 }
105 
106 NCURSES_EXPORT(int)
107 mvwscanw(WINDOW *win, int y, int x, NCURSES_CONST char *fmt,...)
108 {
109     int code;
110     va_list ap;
111 
112     va_start(ap, fmt);
113     code = (wmove(win, y, x) == OK) ? vwscanw(win, fmt, ap) : ERR;
114     va_end(ap);
115     return (code);
116 }
117