Am 10.05.11 21:55 schrieb "Dan Fandrich" unter <dan_at_coneharvesters.com>:

> On Tue, May 10, 2011 at 09:28:46PM +0200, Martin Möller wrote:
>> Am 10.05.11 20:50 schrieb "Dan Fandrich" unter <dan_at_coneharvesters.com>:
>>> If realloc changes the memory address, it is responsible for moving the
>>> contents of the old block to the new one. At worst, the code as it stands
>>> will suffer from a memory leak if the realloc fails, but it should execute
>>> fine. Are you seeing an actual problem when running the example?
>>>
>> As with FreeBSD, this is only true if you realloc() a memory block of lesser
>> size, but not for a larger one, than the previous one (which is done by
>> getinmemory). There should be garbage output on such systems.
>>
>> Man Page of realloc() on FreeBSD:
>> http://www.freebsd.org/cgi/man.cgi?query=realloc&apropos=0&sektion=0&manpath
>> =FreeBSD+8.2-RELEASE&format=html
>
> "The contents of the memory are unchanged up to the lesser of the new and
> old sizes."
>

"If the new size is larger, the contents of the newly allocated portion of
the memory are undefined."

>>>> Dan
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Received on 2011-05-10