[Vm-dev] Why StandardFileStream fileID is 16 bytes in Linux while 20 bytes in OSX?

Eliot Miranda eliot.miranda at gmail.com
Sun Jan 10 16:30:16 UTC 2016

On Sat, Jan 9, 2016 at 5:35 PM, David T. Lewis <lewis at mail.msen.com> wrote:

> On Sat, Jan 09, 2016 at 05:02:40PM -0800, Eliot Miranda wrote:
> >
> > Hi David, file size is orthogonal. One needs to define something like
> -D_FILESIZE=64 or some such. I'm on my phone so don't have the details but
> if you have a look at an mvm under build.linux32* you'll see the correct
> incantation.
> >
> Yes that's right. The -D_FILE_OFFSET_BITS=64 compiler directive enables
> large file size access.
> I think that Mariano is asking with the layout of the SQFile data
> structure,
> which is not affected by the D_FILE_OFFSET_BITS setting because it has no
> affect on sizeof(*FILE).

SQFile's size /is/ affected by -D_FILE_OFFSET_BITS=64 because
is 8 with it and 4 without it :-)

best, Eliot
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