xref: /onnv-gate/usr/src/ucblib/libcurses/scanw.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
3*0Sstevel@tonic-gate  * Use is subject to license terms.
4*0Sstevel@tonic-gate  */
5*0Sstevel@tonic-gate 
6*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
7*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
8*0Sstevel@tonic-gate 
9*0Sstevel@tonic-gate /*
10*0Sstevel@tonic-gate  * Copyright (c) 1980 Regents of the University of California.
11*0Sstevel@tonic-gate  * All rights reserved.  The Berkeley software License Agreement
12*0Sstevel@tonic-gate  * specifies the terms and conditions for redistribution.
13*0Sstevel@tonic-gate  */
14*0Sstevel@tonic-gate 
15*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
16*0Sstevel@tonic-gate 
17*0Sstevel@tonic-gate /*LINTLIBRARY*/
18*0Sstevel@tonic-gate 
19*0Sstevel@tonic-gate #ifndef lint
20*0Sstevel@tonic-gate static char
21*0Sstevel@tonic-gate sccsid[] = "@(#)scanw.c 1.8 88/02/08 SMI"; /* from UCB 5.1 85/06/07 */
22*0Sstevel@tonic-gate #endif	/* not lint */
23*0Sstevel@tonic-gate 
24*0Sstevel@tonic-gate #include	<stdarg.h>
25*0Sstevel@tonic-gate #include	<string.h>
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*
28*0Sstevel@tonic-gate  * scanw and friends
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #include	"curses.ext"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*
34*0Sstevel@tonic-gate  *	This routine implements a scanf on the standard screen.
35*0Sstevel@tonic-gate  */
36*0Sstevel@tonic-gate 
37*0Sstevel@tonic-gate int
scanw(char * fmt,...)38*0Sstevel@tonic-gate scanw(char *fmt, ...)
39*0Sstevel@tonic-gate {	int j;
40*0Sstevel@tonic-gate 	va_list ap;
41*0Sstevel@tonic-gate 
42*0Sstevel@tonic-gate 	va_start(ap, fmt);
43*0Sstevel@tonic-gate 	j = _sscans(stdscr, fmt, ap);
44*0Sstevel@tonic-gate 	va_end(ap);
45*0Sstevel@tonic-gate 	return (j);
46*0Sstevel@tonic-gate }
47*0Sstevel@tonic-gate 
48*0Sstevel@tonic-gate /*
49*0Sstevel@tonic-gate  *	This routine implements a scanf on the given window.
50*0Sstevel@tonic-gate  */
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate int
wscanw(WINDOW * win,char * fmt,...)53*0Sstevel@tonic-gate wscanw(WINDOW *win, char *fmt, ...)
54*0Sstevel@tonic-gate {
55*0Sstevel@tonic-gate 	va_list ap;
56*0Sstevel@tonic-gate 	int j;
57*0Sstevel@tonic-gate 
58*0Sstevel@tonic-gate 	va_start(ap, fmt);
59*0Sstevel@tonic-gate 	j = _sscans(win, fmt, ap);
60*0Sstevel@tonic-gate 	va_end(ap);
61*0Sstevel@tonic-gate 	return (j);
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate /*
64*0Sstevel@tonic-gate  *	This routine actually executes the scanf from the window.
65*0Sstevel@tonic-gate  *
66*0Sstevel@tonic-gate  *	This is really a modified version of "sscanf".  As such,
67*0Sstevel@tonic-gate  * it assumes that sscanf interfaces with the other scanf functions
68*0Sstevel@tonic-gate  * in a certain way.  If this is not how your system works, you
69*0Sstevel@tonic-gate  * will have to modify this routine to use the interface that your
70*0Sstevel@tonic-gate  * "sscanf" uses.
71*0Sstevel@tonic-gate  */
72*0Sstevel@tonic-gate 
73*0Sstevel@tonic-gate int
_sscans(WINDOW * win,char * fmt,va_list ap)74*0Sstevel@tonic-gate _sscans(WINDOW *win, char *fmt, va_list	ap)
75*0Sstevel@tonic-gate {
76*0Sstevel@tonic-gate 	char	buf[100];
77*0Sstevel@tonic-gate 	FILE	junk;
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate 	junk._flag = _IOREAD|_IOWRT;
80*0Sstevel@tonic-gate 	junk._base = junk._ptr = (unsigned char *)buf;
81*0Sstevel@tonic-gate 	if (wgetstr(win, buf) == ERR)
82*0Sstevel@tonic-gate 		return (ERR);
83*0Sstevel@tonic-gate 	junk._cnt = (ssize_t)strlen(buf);
84*0Sstevel@tonic-gate 	return (_doscan(&junk, fmt, ap));
85*0Sstevel@tonic-gate }
86