/*
 * Program output functions
 *
 * Copyright (C) 2019  Patrick McDermott
 *
 * This file is part of fbcon2png.
 *
 * fbcon2png 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 2 of the License, or
 * (at your option) any later version.
 *
 * fbcon2png 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 fbcon2png.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "output.h"

#include <assert.h>
#include <stdarg.h>
#include <stdio.h>

#include "i18n.h"

static const char *_program_name;

void
set_program_name(const char *name)
{
	assert(name && *name);

	_program_name = name;
}

void
error(const char *format, ...)
{
	va_list ap;

	assert(format);

	fprintf(stderr, _("%s: Error: "), _program_name);
	va_start(ap, format);
	vfprintf(stderr, format, ap);
	va_end(ap);
	fputs("\n", stderr);
}