project_files/frontlib/util/refcounter.c
author Medo <smaxein@googlemail.com>
Thu, 05 Jul 2012 00:33:24 +0200
changeset 7316 f7b49b2c5d84
parent 7314 6171f0bad318
permissions -rw-r--r--
frontlib: Improved and unified parameter checking, moved the cmdlineClient out of the frontlib code.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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#include "refcounter.h"
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#include "logging.h"
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void flib_retain(int *referenceCountPtr, const char *objName) {
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	if(!log_badargs_if2(referenceCountPtr==NULL, objName==NULL)) {
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		if((*referenceCountPtr)  >= 0) {
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			(*referenceCountPtr)++;
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			flib_log_d("retaining %s, now %i references", objName, (*referenceCountPtr));
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		}
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		if((*referenceCountPtr) < 0) {
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			flib_log_e("Memory leak: Reference count overflow in %s object!", objName);
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		}
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	}
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}
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/**
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 * Returns true if the struct should be freed.
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 */
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bool flib_release(int *referenceCountPtr, const char *objName) {
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	bool result = false;
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	if(!log_badargs_if2(referenceCountPtr==NULL, objName==NULL)) {
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		if((*referenceCountPtr) > 0) {
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			if(--(*referenceCountPtr) == 0) {
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				flib_log_d("releasing and destroying %s", objName);
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				result = true;
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			} else {
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				flib_log_d("releasing %s, now %i references", objName, *referenceCountPtr);
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			}
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		} else if((*referenceCountPtr) == 0) {
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			flib_log_e("Attempt to release a %s with zero references!", objName);
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		}
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	}
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	return result;
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}