project_files/frontlib/util/refcounter.c
author Medo <smaxein@googlemail.com>
Mon, 25 Jun 2012 00:42:07 +0200
changeset 7271 5608ac657362
child 7314 6171f0bad318
permissions -rw-r--r--
frontlib: Intermittent commit. Things are still in flux but we're getting there :)
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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(!referenceCountPtr || !objName) {
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		flib_log_e("null parameter to flib_retain");
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	} else {
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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(!referenceCountPtr) {
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		flib_log_e("null parameter to flib_release");
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	} else 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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	return result;
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}