/*      $NetBSD: scanw.c,v 1.24 2024/12/23 02:58:04 blymn Exp $ */

/*
* Copyright (c) 1981, 1993, 1994
*      The 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. 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.
*/

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)scanw.c     8.3 (Berkeley) 5/4/94";
#else
__RCSID("$NetBSD: scanw.c,v 1.24 2024/12/23 02:58:04 blymn Exp $");
#endif
#endif                          /* not lint */

/*
* scanw and friends.
*/

#include <stdarg.h>

#include "curses.h"

/*
* scanw --
*      Implement a scanf on the standard screen.
*/
int
scanw(const char *fmt,...)
{
       va_list ap;
       int     ret;

       va_start(ap, fmt);
       ret = vw_scanw(stdscr, fmt, ap);
       va_end(ap);
       return ret;
}
/*
* wscanw --
*      Implements a scanf on the given window.
*/
int
wscanw(WINDOW *win, const char *fmt,...)
{
       va_list ap;
       int     ret;

       if (__predict_false(win == NULL))
               return ERR;

       va_start(ap, fmt);
       ret = vw_scanw(win, fmt, ap);
       va_end(ap);
       return ret;
}
/*
* mvscanw, mvwscanw --
*      Implement the mvscanw commands.  Due to the variable number of
*      arguments, they cannot be macros.  Another sigh....
*/
int
mvscanw(int y, int x, const char *fmt,...)
{
       va_list ap;
       int     ret;

       if (move(y, x) != OK)
               return ERR;
       va_start(ap, fmt);
       ret = vw_scanw(stdscr, fmt, ap);
       va_end(ap);
       return ret;
}

int
mvwscanw(WINDOW * win, int y, int x, const char *fmt,...)
{
       va_list ap;
       int     ret;

       if (move(y, x) != OK)
               return ERR;
       va_start(ap, fmt);
       ret = vw_scanw(win, fmt, ap);
       va_end(ap);
       return ret;
}
/*
* vwscanw --
*      This routine actually executes the scanf from the window.
*/
int
vw_scanw(WINDOW *win, const char *fmt, va_list ap)
{
       char    buf[1024];
       int     ret;

       if (__predict_false(win == NULL))
               return ERR;

       ret = ERR;
       if (wgetnstr(win, buf, (int) sizeof(buf)) == OK) {
               if (vsscanf(buf, fmt, ap) > 0) {
                       ret = OK;
               }
       }

       return ret;
}

__strong_alias(vwscanw, vw_scanw)