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Date:      Sat, 20 May 2000 10:12:30 -0500
From:      Dan Nelson <dnelson@emsphone.com>
To:        Robin Carey <bsc4093@dcs.napier.ac.uk>
Cc:        Alfred Perlstein <bright@wintelcom.net>, questions@FreeBSD.ORG
Subject:   Re: large file-sizes
Message-ID:  <20000520101230.A2873@dan.emsphone.com>
In-Reply-To: <Pine.SO4.4.01.10005201602060.672-100000@artemis>; from "Robin Carey" on Sat May 20 16:06:24 GMT 2000
References:  <20000519105151.A13502@fw.wintelcom.net> <Pine.SO4.4.01.10005201602060.672-100000@artemis>

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In the last episode (May 20), Robin Carey said:
> On Fri, 19 May 2000, Alfred Perlstein wrote:
> > * Robin Carey <bsc4093@dcs.napier.ac.uk> [000519 10:42] wrote:
> > > Am I right in thinking that FreeBSD/i386 can support large files
> > > (e.g. tera-bytes) under FFS, but cannot read more than a 32-bit
> > > integer ?
> > 
> > FFS is 64 bit, off_t is a 64 bit quantity.
> > 
> > > If this is the case, has anyone considered, for example, a 64-bit
> > > "virtual" integer interface to allow reading/writing files bigger
> > > than what can be stored in a 32-bit integer ?
> > 
> > off_t :)
> 
> OK - call me stupid :) But how does FreeBSD/i386 support 64-bit
> off_t's (on a 32-bit microprocessor) ?

"long long" is a 64-bit type.  off_t is a long long.
 
> To clarify this: You're telling me I can read/write/lseek files bigger
> than 4-gigs ?

Most definitely.

-- 
	Dan Nelson
	dnelson@emsphone.com


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