xref: /original-bsd/lib/libcurses/scanw.c (revision 5848352c)
1 /*
2  * Copyright (c) 1981 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 static char sccsid[] = "@(#)scanw.c	5.3 (Berkeley) 06/30/88";
20 #endif /* not lint */
21 
22 /*
23  * scanw and friends
24  *
25  */
26 
27 # include	"curses.ext"
28 
29 /*
30  *	This routine implements a scanf on the standard screen.
31  */
32 scanw(fmt, args)
33 char	*fmt;
34 int	args; {
35 
36 	return _sscans(stdscr, fmt, &args);
37 }
38 /*
39  *	This routine implements a scanf on the given window.
40  */
41 wscanw(win, fmt, args)
42 WINDOW	*win;
43 char	*fmt;
44 int	args; {
45 
46 	return _sscans(win, fmt, &args);
47 }
48 /*
49  *	This routine actually executes the scanf from the window.
50  *
51  *	This is really a modified version of "sscanf".  As such,
52  * it assumes that sscanf interfaces with the other scanf functions
53  * in a certain way.  If this is not how your system works, you
54  * will have to modify this routine to use the interface that your
55  * "sscanf" uses.
56  */
57 _sscans(win, fmt, args)
58 WINDOW	*win;
59 char	*fmt;
60 int	*args; {
61 
62 	char	buf[100];
63 	FILE	junk;
64 
65 	junk._flag = _IOREAD|_IOSTRG;
66 	junk._base = junk._ptr = buf;
67 	if (wgetstr(win, buf) == ERR)
68 		return ERR;
69 	junk._cnt = strlen(buf);
70 	return _doscan(&junk, fmt, args);
71 }
72