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Date: Fri, 19 Sep 1997 18:38:57 +0930
From: Greg Lehey <grog@lemis.com>
To: Graham Wheeler <gram@cdsec.com>
Cc: Terry Lambert <tlambert@primenet.com>, hackers@FreeBSD.ORG
Subject: Re: Bug in malloc/free (was: Memory leak in getservbyXXX?)
References: <199709182114.OAA13613@usr03.primenet.com> <199709190815.KAA01865@cdsec.com>
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In-Reply-To: <199709190815.KAA01865@cdsec.com>; from Graham Wheeler on Fri, Sep 19, 1997 at 10:15:05AM +0200
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On Fri, Sep 19, 1997 at 10:15:05AM +0200, Graham Wheeler wrote:
>>
>> How about:
>>
>> 	heap_ptr p = malloc( 20);
>> 	heap_ptr q, r;
>> 	free(p);
>> 	q = malloc(10)
>> 	r = malloc( 10);
>> 	free(p);
>>
>> ? 8-).
>
> Well, in this case q is typically equal to p. So the call to free(p) is
> not a heap error (even though it is logically an error).
> Would one call this a `Godel error'? ;-)

Would alloca help, possibly?  It allocates memory on the stack.

Greg