hedgewars: project_files/frontlib/util/refcounter.c@6171f0bad318 (annotated)

7314 6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	1	/*
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	2	* Hedgewars, a free turn based strategy game
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	3	* Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	4	*
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	5	* This program is free software; you can redistribute it and/or
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	6	* modify it under the terms of the GNU General Public License
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	7	* as published by the Free Software Foundation; either version 2
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	8	* of the License, or (at your option) any later version.
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	9	*
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	10	* This program is distributed in the hope that it will be useful,
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	13	* GNU General Public License for more details.
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	14	*
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	15	* You should have received a copy of the GNU General Public License
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	16	* along with this program; if not, write to the Free Software
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	17	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	18	*/
6171f0bad318 frontlib: Fixes and improvements. Added a GPLv2+ license header to all frontlib Medo <smaxein@googlemail.com> parents: 7271 diff changeset	19
7271 5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	20	#include "refcounter.h"
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	21
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	22	#include "logging.h"
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	23
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	24	void flib_retain(int referenceCountPtr, const char objName) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	25	if(!referenceCountPtr \|\| !objName) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	26	flib_log_e("null parameter to flib_retain");
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	27	} else {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	28	if((*referenceCountPtr) >= 0) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	29	(*referenceCountPtr)++;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	30	flib_log_d("retaining %s, now %i references", objName, (*referenceCountPtr));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	31	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	32	if((*referenceCountPtr) < 0) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	33	flib_log_e("Memory leak: Reference count overflow in %s object!", objName);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	34	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	35	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	36	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	37
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	38	/**
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	39	* Returns true if the struct should be freed.
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	40	*/
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	41	bool flib_release(int referenceCountPtr, const char objName) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	42	bool result = false;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	43	if(!referenceCountPtr) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	44	flib_log_e("null parameter to flib_release");
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	45	} else if((*referenceCountPtr) > 0) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	46	if(--(*referenceCountPtr) == 0) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	47	flib_log_d("releasing and destroying %s", objName);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	48	result = true;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	49	} else {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	50	flib_log_d("releasing %s, now %i references", objName, (*referenceCountPtr));
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	51	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	52	} else if((*referenceCountPtr) == 0) {
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	53	flib_log_e("Attempt to release a %s with zero references!", objName);
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	54	}
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	55	return result;
5608ac657362 frontlib: Intermittent commit. Things are still in flux but we're getting there :) Medo <smaxein@googlemail.com> parents: diff changeset	56	}

author	Medo <smaxein@googlemail.com>
	Wed, 27 Jun 2012 22:52:19 +0200
changeset 7314	6171f0bad318
parent 7271	5608ac657362
child 7316	f7b49b2c5d84
permissions	-rw-r--r--