BSD 4_3_Net_2 release

[unix-history] / usr / 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, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Berkeley and its contributors.
* 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/

#ifndef lint
static char sccsid[] = "@(#)scanw.c     5.7 (Berkeley) 4/15/91";
#endif /* not lint */

/*
* scanw and friends
*
*/

#if __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#include "curses.ext"

/*
*      This routine implements a scanf on the standard screen.
*/
#if __STDC__
scanw(const char *fmt, ...)
#else
scanw(fmt, va_alist)
       char *fmt;
       va_dcl
#endif
{
       va_list ap;
       int ret;

#if __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       ret = _sscans(stdscr, fmt, ap);
       va_end(ap);
       return ret;
}

/*
*      This routine implements a scanf on the given window.
*/
#if __STDC__
wscanw(WINDOW *win, const char *fmt, ...)
#else
wscanw(win, fmt, va_alist)
       WINDOW *win;
       char *fmt;
       va_dcl
#endif
{
       va_list ap;
       int ret;

#if __STDC__
       va_start(ap, fmt);
#else
       va_start(ap);
#endif
       ret = _sscans(win, fmt, ap);
       va_end(ap);
       return ret;
}

/*
*      This routine actually executes the scanf from the window.
*      THIS SHOULD BE RENAMED vwscanw AND EXPORTED
*/
_sscans(win, fmt, ap)
       WINDOW *win;
#if __STDC__
       const char *fmt;
#else
       char *fmt;
#endif
       va_list ap;
{
       char buf[100];

       return wgetstr(win, buf) == OK ? vsscanf(buf, fmt, ap) : ERR;
}