[delphizip] Re: Memory allocation leak in UNZDLL.DLL
- From: "Roger Aelbrecht" <roger.aelbrecht@xxxxxxxxxx>
- To: <delphizip@xxxxxxxxxxxxx>
- Date: Tue, 2 Apr 2002 21:05:18 +0200
> ----- Original Message -----
> From: "Angus Johnson" <ajohnson@xxxxxxxxxx>
> To: <delphizip@xxxxxxxxxxxxx>
> Sent: Monday, March 25, 2002 8:19 AM
> Subject: [delphizip] Re: Memory allocation leak in UNZDLL.DLL
>
>
> > My understanding is that this leak is specific to Borland's C++ and
Delphi
> > compilers.
> >
> > Angus
> >
> > ----- Original Message -----
> > From: "Karel Rys" <delphi@xxxxxxxxx>
> > ...
> > > This is "very fine" ;-) Is it possible to compile the DLLs with
another
> > C-compiler? I made the
> > > same tests with an Intel ijl15.dll and there is no memory leak.
> >
> I did some more searching on the newsgroup archives and found a posting by
> Chris Bensen
> (cbensen@xxxxxxxxxxx) date 1999/06/15 with subject Re:Bug Reporting
HOW!!!:
>
> The real subject was this memory leak caused by LoadLibrary:
>
> <quote>
> The default Microsoft bases adress of a .dll is 1,000,000 while the
default
> base address for Borland is 400,000.
> If you change the base adress using rebase(an SDK tool ...) on a Borland
> generated .dll it does not have the memory leak.
> </quote>
>
> I could not test this solution because I don't have the SDK installed yet.
> HTH
> --
> Roger Aelbrecht
> http://web.wanadoo.be/driehoeksw
>
Got the "rebase.exe" from a colleague and did some more tests:
Tests are done on both a Win-Nt computer and on a W98 oneboth with BCB5 and
TZipBuilder
1- The rebase dos not solve the memory leak, working of rebase was checked
in the event log
of BCB and checking the load address of ZipDll.dll
2- The Zipdll.dll as published on the website of Eric Engler produces a 200
byte memory leak
3- The same Dll rebuild on my BCB5 with condition _NO_VCL does not have the
memory leak.
HTH
--
Roger Aelbrecht
http://web.wanadoo.be/driehoeksw
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