/*
 * debug.c
 * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
 *
 * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
 *
 * mpeg2dec 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.
 *
 * mpeg2dec 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 this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdlib.h>
#include "debug.h"

static int debug_level = -1;

// Determine is debug output is required.
// We could potentially have multiple levels of debug info
int debug_is_on (void)
{
    char * env_var;
	
    if (debug_level < 0) {
	env_var = getenv ("MPEG2_DEBUG");

	if (env_var)
	    debug_level = 1;
	else
	    debug_level = 0;
    }
	
    return debug_level;
}

//If you don't have gcc, then ya don't get debug output
#ifndef __GNUC__
void dprintf (char fmt[],...)
{
    int foo = 0;
}
#endif