/*

 * Hedgewars, a free turn based strategy game

 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>

 *

 * 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 2

 * 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, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 */

#include "refcounter.h"

#include "logging.h"

void flib_retain(int *referenceCountPtr, const char *objName) {

	if(!log_badargs_if2(referenceCountPtr==NULL, objName==NULL)) {

		if((*referenceCountPtr)  >= 0) {

			(*referenceCountPtr)++;

			flib_log_d("retaining %s, now %i references", objName, (*referenceCountPtr));

		}

		if((*referenceCountPtr) < 0) {

			flib_log_e("Memory leak: Reference count overflow in %s object!", objName);

		}

	}

}

/**

 * Returns true if the struct should be freed.

 */

bool flib_release(int *referenceCountPtr, const char *objName) {

	bool result = false;

	if(!log_badargs_if2(referenceCountPtr==NULL, objName==NULL)) {

		if((*referenceCountPtr) > 0) {

			if(--(*referenceCountPtr) == 0) {

				flib_log_d("releasing and destroying %s", objName);

				result = true;

			} else {

				flib_log_d("releasing %s, now %i references", objName, *referenceCountPtr);

			}

		} else if((*referenceCountPtr) == 0) {

			flib_log_e("Attempt to release a %s with zero references!", objName);

		}

	}

	return result;

}