[fpc-devel] an observation about GetMem

[petr.kristan at epos.cz]

On Sat, Sep 06, 2008 at 11:25:19AM +0100, Jonas Maebe wrote:
> 
> On 05 Sep 2008, at 17:25, Peter Popov wrote:
> 
> >>In FPC it is done by design. If 0 bytes are asked we allocate at  
> >>least the minimum alignment to
> >>get a valid pointer. This is done for compatibility with TP7.0 that  
> >>returns the value of heapptr
> >>which is also a valid pointer.
> >
> >Thanks for the clarification!
> >I guess if you switch to reallocmem entirely, there will be delphi  
> >compatibility, yes?
> 
> reallocmem indeed frees the memory and sets the pointer to nil if you  
> specify "0" as the memory size.

Look at thread "AllocMem(0)<>nil" at 25.03.08. I had the same problem.

Petr

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Ing. Petr Kristan
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