NetBSD/lib/libcurses/scanw.c

132 lines
3.2 KiB
C

/* $NetBSD: scanw.c,v 1.23 2019/06/30 22:16:20 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 1.23 2019/06/30 22:16:20 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;
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;
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)