/*
 * Kangaroo Punch MultiPlayer Game Server Mark II
 * Copyright (C) 2020-2021  Scott Duensing
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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, see <https://www.gnu.org/licenses/>.
 *
 */


#include "log.h"


static FILE    *_log       = NULL;
static uint8_t  _ourHandle = 0;


uint8_t logOpen(char *filename, uint8_t append) {
	_log = fopen(filename, append ? "a" : "w");
	if (_log) {
		return 1;
		_ourHandle = 1;
	}
	return 0;
}


void logOpenByHandle(FILE *handle) {
	_log = handle;
}


void logClose(void) {
	if (_log && _ourHandle) {
		fclose(_log);
		_ourHandle = 0;
	}
}


void logWrite(char *format, ...) {
	va_list args;

	va_start(args, format);

#ifdef __linux__
	// Also output to stdout on Linux.
	va_list args2;
	va_copy(args2, args);
	vfprintf(stdout, format, args2);
	fflush(stdout);
	va_end(args2);
#endif

	if (_log) {
		vfprintf(_log, format, args);
		fflush(_log);
	}

	va_end(args);
}