/*
 * Copyright (C) 2002-2007 The Warp Rogue Team
 * Part of the Warp Rogue Project
 *
 * This software is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License.
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY.
 *
 * See the license.txt file for more details.
 */

/*
 * Module Name: Log
 * Description: Log file routines. The log file is used for error reporting
 *              by default, and can be used for debugging purposes if needed.
 */



#include <stdarg.h>

#define Uses_Util
#define Uses_DataFile
#include "mheader.h"

#include "log.h"


/*
 * log file
 */
#define FILE_LOG			"logfile.txt"



/*
 * deletes the log
 */
void log_erase(void)
{

	set_data_path(DIR_USER_DATA, FILE_LOG);

	if (file_exists(data_path())) {

		remove(data_path());
	}
}



/*
 * outputs a log message
 */
void log_output(const char *fmt, ...)
{
	char msg[STRING_BUFFER_SIZE];
	va_list vl;
	FILE *log_file;

	va_start(vl, fmt);
	vsprintf(msg, fmt, vl);
	va_end(vl);

	set_data_path(DIR_USER_DATA, FILE_LOG);

	log_file = open_file(data_path(), "a");

	fprintf(log_file, "%s\n", msg);

	close_file(log_file);
}