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/* This file is part of Eclat.
   Copyright (C) 2012 Sergey Poznyakoff.
 
   Eclat is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.
 
   Eclat is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with Eclat.  If not, see <http://www.gnu.org/licenses/>. */

#include "libeclat.h"
#include <sysexits.h>

int eclat_confirm_mode = -1;

int
eclat_confirm(const char *prompt, ...)
{
	int rc;
	va_list ap;
	
	if (!isatty(0) || eclat_confirm_mode >= 0) {
		if (eclat_confirm_mode == -1)
			die(EX_USAGE, "stdin not a terminal and no default response provided; use -Y or -N option to override");
		return eclat_confirm_mode;
	}
	
	va_start(ap, prompt);
	rc = eclat_vgetyn(!!eclat_confirm_mode, prompt, ap);
	va_end(ap);
	
	return rc;
}

		

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