[yunqa.de] Re: DIZipWriter - Large Files?
- From: Delphi Inspiration <delphi@xxxxxxxx>
- To: yunqa@xxxxxxxxxxxxx
- Date: Fri, 17 Jun 2011 17:12:14 +0200
On 16.06.2011 20:27, David Michael wrote:
> I couldn't find an answer to that question.
DIZipWriter writes ZIP files via Delphi's TStream interface.
For Delphi 6 and older, this limits TStream sizes to signed 32-bit or
2147483647 bytes.
Delphi 7 and later remove this limit and handle TStreams up to signed
64-bit or 2^63-1 bytes.
DIZipWriter itself imposes the limitations of the 32 bit ZIP file
format. For Delphi 7 and later this implies a maximum ZIP file size of
unsigned 32 bit or 4294967295 bytes, which is 4 GiB or a little more
than 4 GB.
> Also, do you know how DIZipWriter compares to ZipForge when creating new
> archives? Especially large archives?
No, I have never looked at that component.
Ralf
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