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Mail Archives: djgpp/2005/02/23/12:45:22

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From: Brian Inglis <Brian DOT Inglis AT SystematicSW DOT Invalid>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: files > 4GB There is always a solution
Organization: Systematic Software
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Date: Wed, 23 Feb 2005 17:35:01 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

On 18 Feb 2005 04:55:47 -0800 in comp.os.msdos.djgpp, "FreeDOSfan"
<grup AT discardmail DOT com> wrote:

>"You mean, talk directly to the device
>and implement the entire
>filesystem layer ourselves?"
>
>YES !!!
>
>"It would be silly to expect the DJGPP
>project to do anything like that."
>
>YES !!! I do not expect this from the
>DJGPP project, I would implement it in
>my prog.

One simpler possibility suggested by another poster is supporting
multiple extent files i.e. allocate up to 2GB chunks as required in
the DOS FS, and when you need more, reopen another (related) file on
the same FILE */handle. This would be doable by wrapping the existing
file calls in another layer, and maybe using the DJGPP FSEXT
facilities to be able to do (part of) it under the covers. 

-- 
Thanks. Take care, Brian Inglis 	Calgary, Alberta, Canada

Brian DOT Inglis AT CSi DOT com 	(Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca)
    fake address		use address above to reply

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