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How to burn CD in DOS? 2 GB limit ? DVD crap ... (Users)

posted by DOS386, 19.12.2007, 21:41

> Here is a list of changes from DJGPP V2.03 to V2.04.
> * The functions _creat, _creatnew and _open now set extended size flag
> in DOS calls to be able to create files with size up to 2^32-1,
> supported on FAT32 volumes.
> * The function llseek added with type offset_t to support file seeks
> up to 2^32-2.
> So, some improved functionality is present in DJGPP 2.04 beta, at least.
Discussable :-|

> P.S. I haven't tested this in pure FreeDOS either.
No need - it doesn't work, 2 GiB is the limit of FreeDOS by now.

> have the sources (luckily, most DJGPP stuff does), then it's just a
> simple recompile. 2.04 is bigger (more "bloated", heh),
> but it's also much improved.

Not really - you won't get more on FreeDOS, and 4 GiB on EDR-DOS at best (untested)

> I dunno, never tried in pure FreeDOS, but in theory,
> FreeDOS should work (although probably doesn't).

See above, 2 GiB limit. I would recommend throwing away the ugly 4 GiB "extended size flag" hack and move to FAT32+ directly instead.

> Oh well, testers wanted!
YOU ? (no Box, no Vista) :clap:

> Well, only EDR-DOS has it now. And it's hard to write compatible
> apps for an API that doesn't exist (e.g. FreeDOS).
It perfectly exists. :-) Just you can't test on FreeDOS.

> Obviously, avoid using any of your previous low-level tools in such a case.

:-)

> I'm sure FD XCOPY could be updated, but the other closed-src stuff
> (Volkov) ... no way. But anyways, in DOS, most files aren't that huge,
> so the issue is pretty moot (unless you want to rip DVDs a lot, heh).
Exactly. Keep using your Volkov, just don't touch files > 2 GiB with it.

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