4.3BSD-Reno/src/lib/libcurses/scanw.c

/*
 * Copyright (c) 1981 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)scanw.c	5.4 (Berkeley) 6/1/90";
#endif /* not lint */

/*
 * scanw and friends
 *
 */

# include	"curses.ext"

/*
 *	This routine implements a scanf on the standard screen.
 */
scanw(fmt, args)
char	*fmt;
int	args; {

	return _sscans(stdscr, fmt, &args);
}
/*
 *	This routine implements a scanf on the given window.
 */
wscanw(win, fmt, args)
WINDOW	*win;
char	*fmt;
int	args; {

	return _sscans(win, fmt, &args);
}
/*
 *	This routine actually executes the scanf from the window.
 *
 *	This is really a modified version of "sscanf".  As such,
 * it assumes that sscanf interfaces with the other scanf functions
 * in a certain way.  If this is not how your system works, you
 * will have to modify this routine to use the interface that your
 * "sscanf" uses.
 */
_sscans(win, fmt, args)
WINDOW	*win;
char	*fmt;
int	*args; {

	char	buf[100];
	FILE	junk;

	junk._flag = _IOREAD|_IOSTRG;
	junk._base = junk._ptr = buf;
	if (wgetstr(win, buf) == ERR)
		return ERR;
	junk._cnt = strlen(buf);
	return _doscan(&junk, fmt, args);
}