Date: Thu, 29 Jun 2006 18:09:37 +0200 From: Matthias Andree <matthias.andree@gmx.de> To: freebsd-hackers@freebsd.org Subject: Re: Return value of malloc(0) Message-ID: <m3bqsceyf2.fsf@merlin.emma.line.org> In-Reply-To: <20060629054222.GA92895@leiferikson.flosken.lan> (Johannes Weiner's message of "Thu, 29 Jun 2006 07:42:22 %2B0200") References: <20060628181045.GA54915@curry.mchp.siemens.de> <20060629054222.GA92895@leiferikson.flosken.lan>
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Johannes Weiner <hnazfoo@googlemail.com> writes: > Hi, > > On Wed, Jun 28, 2006 at 08:10:45PM +0200, Andre Albsmeier wrote: >> "If you use malloc(0) and are crazy enough to access the 'allocated' >> memory we give you a SIGSEV to show you how dumb you are :-)". > > They should check the return value of malloc() in any case for > successful allocation.. shouldn't they? The value returned from malloc(0) must not be dereferenced whatever it was. It was 0x800, which doesn't count as "failure". -- Matthias Andree
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