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Use vw_printw() and fix a format print warning.

/*	$OpenBSD: misc.c,v 1.14 2023/10/10 09:42:56 tb Exp $	*/
/*	$NetBSD: misc.c,v 1.4 1995/03/24 05:01:54 cgd Exp $	*/

/*
 * Copyright (c) 1983, 1993
 *	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 <ctype.h>
#include <unistd.h>

#include "mille.h"

/*
 * @(#)misc.c	1.2 (Berkeley) 3/28/83
 */

#define	NUMSAFE	4

bool
error(char *str, ...)
{
	va_list ap;

	va_start(ap, str);
	wmove(Score, ERR_Y, ERR_X);
	vw_printw(Score, str, ap);
	wclrtoeol(Score);
	beep();
	refresh();
	va_end(ap);
	return FALSE;
}

CARD
getcard(void)
{
	int	c, c1;

	for (;;) {
		while ((c = readch()) == '\n' || c == '\r' || c == ' ')
			continue;
		if (islower(c))
			c = toupper(c);
		if (c == killchar() || c == erasechar())
			return -1;
		addstr(unctrl(c));
		clrtoeol();
		switch (c) {
		  case '1':	case '2':	case '3':
		  case '4':	case '5':	case '6':
			c -= '0';
			break;
		  case '0':	case 'P':	case 'p':
			c = 0;
			break;
		  default:
			beep();
			addch('\b');
			if (!isprint(c))
				addch('\b');
			c = -1;
			break;
		}
		refresh();
		if (c >= 0) {
			while ((c1 = readch()) != '\r' && c1 != '\n' && c1 != ' ')
				if (c1 == killchar())
					return -1;
				else if (c1 == erasechar()) {
					addch('\b');
					clrtoeol();
					refresh();
					goto cont;
				}
				else
					beep();
			return c;
		}
cont:		;
	}
}

int
check_ext(bool forcomp)
{
	if (End == 700) {
		if (Play == PLAYER) {
			if (getyn(EXTENSIONPROMPT)) {
extend:
				if (!forcomp)
					End = 1000;
				return TRUE;
			} else {
done:
				if (!forcomp)
					Finished = TRUE;
				return FALSE;
			}
		} else {
			PLAY	*pp, *op;
			int	i, safe, miles;

			pp = &Player[COMP];
			op = &Player[PLAYER];
			for (safe = 0, i = 0; i < NUMSAFE; i++)
				if (pp->safety[i] != S_UNKNOWN)
					safe++;
			if (safe < 2)
				goto done;
			if (op->mileage == 0 || onecard(op)
			    || (op->can_go && op->mileage >= 500))
				goto done;
			for (miles = 0, i = 0; i < NUMSAFE; i++)
				if (op->safety[i] != S_PLAYED
				    && pp->safety[i] == S_UNKNOWN)
					miles++;
			if (miles + safe == NUMSAFE)
				goto extend;
			for (miles = 0, i = 0; i < HAND_SZ; i++)
				if ((safe = pp->hand[i]) <= C_200)
					miles += Value[safe];
			if (miles + (Topcard - Deck) * 3 > 1000)
				goto extend;
			goto done;
		}
	} else
		goto done;
}

/*
 *	Get a yes or no answer to the given question.  Saves are
 * also allowed.  Return TRUE if the answer was yes, FALSE if no.
 */
int
getyn(int promptno)
{
	char	c;

	Saved = FALSE;
	for (;;) {
		leaveok(Board, FALSE);
		prompt(promptno);
		clrtoeol();
		refresh();
		switch (c = readch()) {
		  case 'n':	case 'N':
			addch('N');
			refresh();
			leaveok(Board, TRUE);
			return FALSE;
		  case 'y':	case 'Y':
			addch('Y');
			refresh();
			leaveok(Board, TRUE);
			return TRUE;
		  case 's':	case 'S':
			addch('S');
			refresh();
			Saved = save();
			continue;
		  case CTRL('L'):
			wrefresh(curscr);
			break;
		  default:
			addstr(unctrl(c));
			refresh();
			beep();
			break;
		}
	}
}

/*
 *	Check to see if more games are desired.  If not, and game
 * came from a saved file, make sure that they don't want to restore
 * it.  Exit appropriately.
 */
void
check_more(void)
{
	On_exit = TRUE;
	if (Player[PLAYER].total >= 5000 || Player[COMP].total >= 5000) {
		if (getyn(ANOTHERGAMEPROMPT))
			return;
		else {
			/*
			 * must do accounting normally done in main()
			 */
			if (Player[PLAYER].total > Player[COMP].total)
				Player[PLAYER].games++;
			else if (Player[PLAYER].total < Player[COMP].total)
				Player[COMP].games++;
			Player[COMP].total = 0;
			Player[PLAYER].total = 0;
		}
	} else
		if (getyn(ANOTHERHANDPROMPT))
			return;
	if (!Saved && getyn(SAVEGAMEPROMPT))
		if (!save())
			return;
	die(0);
}

int
readch(void)
{
	int	cnt;
	static char	c;

	for (cnt = 0; read(STDIN_FILENO, &c, 1) <= 0; cnt++)
		if (cnt > 100)
			die(1);
	return c;
}