usr/src/lib/libcurses/scanw.c

/*
 * Copyright (c) 1981 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)scanw.c     5.4 (Berkeley) %G%";
#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);
}