1 /****************************************************************************
2  * Copyright 2018-2019,2020 Thomas E. Dickey                                *
3  * Copyright 1998-2009,2011 Free Software Foundation, Inc.                  *
4  *                                                                          *
5  * Permission is hereby granted, free of charge, to any person obtaining a  *
6  * copy of this software and associated documentation files (the            *
7  * "Software"), to deal in the Software without restriction, including      *
8  * without limitation the rights to use, copy, modify, merge, publish,      *
9  * distribute, distribute with modifications, sublicense, and/or sell       *
10  * copies of the Software, and to permit persons to whom the Software is    *
11  * furnished to do so, subject to the following conditions:                 *
12  *                                                                          *
13  * The above copyright notice and this permission notice shall be included  *
14  * in all copies or substantial portions of the Software.                   *
15  *                                                                          *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
19  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
23  *                                                                          *
24  * Except as contained in this notice, the name(s) of the above copyright   *
25  * holders shall not be used in advertising or otherwise to promote the     *
26  * sale, use or other dealings in this Software without prior written       *
27  * authorization.                                                           *
28  ****************************************************************************/
29 
30 /****************************************************************************
31  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
32  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
33  ****************************************************************************/
34 
35 /*
36 **	lib_scanw.c
37 **
38 **	The routines scanw(), wscanw() and friends.
39 **
40 */
41 
42 #include <curses.priv.h>
43 
44 MODULE_ID("$Id: lib_scanw.c,v 1.19 2020/02/02 23:34:34 tom Exp $")
45 
46 NCURSES_EXPORT(int)
47 vwscanw(WINDOW *win, const char *fmt, va_list argp)
48 {
49     char buf[BUFSIZ];
50     int code = ERR;
51 
52     if (wgetnstr(win, buf, (int) sizeof(buf) - 1) != ERR) {
53 	if ((code = vsscanf(buf, fmt, argp)) == EOF) {
54 	    code = ERR;
55 	}
56     }
57 
58     return code;
59 }
60 
61 NCURSES_EXPORT(int)
62 vw_scanw(WINDOW *win, const char *fmt, va_list argp)
63 {
64     char buf[BUFSIZ];
65     int code = ERR;
66 
67     if (wgetnstr(win, buf, (int) sizeof(buf) - 1) != ERR) {
68 	if ((code = vsscanf(buf, fmt, argp)) == EOF) {
69 	    code = ERR;
70 	}
71     }
72 
73     return code;
74 }
75 
76 NCURSES_EXPORT(int)
77 scanw(const char *fmt, ...)
78 {
79     int code;
80     va_list ap;
81 
82     T(("scanw(\"%s\",...) called", fmt));
83 
84     va_start(ap, fmt);
85     code = vw_scanw(stdscr, fmt, ap);
86     va_end(ap);
87     return (code);
88 }
89 
90 NCURSES_EXPORT(int)
91 wscanw(WINDOW *win, const char *fmt, ...)
92 {
93     int code;
94     va_list ap;
95 
96     T(("wscanw(%p,\"%s\",...) called", (void *) win, fmt));
97 
98     va_start(ap, fmt);
99     code = vw_scanw(win, fmt, ap);
100     va_end(ap);
101     return (code);
102 }
103 
104 NCURSES_EXPORT(int)
105 mvscanw(int y, int x, const char *fmt, ...)
106 {
107     int code;
108     va_list ap;
109 
110     va_start(ap, fmt);
111     code = (move(y, x) == OK) ? vw_scanw(stdscr, fmt, ap) : ERR;
112     va_end(ap);
113     return (code);
114 }
115 
116 NCURSES_EXPORT(int)
117 mvwscanw(WINDOW *win, int y, int x, const char *fmt, ...)
118 {
119     int code;
120     va_list ap;
121 
122     va_start(ap, fmt);
123     code = (wmove(win, y, x) == OK) ? vw_scanw(win, fmt, ap) : ERR;
124     va_end(ap);
125     return (code);
126 }
127