From owner-freebsd-hackers  Sat Aug 21  4:54:31 1999
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Subject: Re: mmap mapped segment length
In-Reply-To: <199908210906.CAA17706@salsa.gv.tsc.tdk.com> from Don Lewis at "Aug 21, 1999 02:06:23 am"
To: Don.Lewis@tsc.tdk.com (Don Lewis)
Date: Sat, 21 Aug 1999 06:53:09 -0500 (EST)
Cc: wes@softweyr.com (Wes Peters), hackers@FreeBSD.ORG
From: "John S. Dyson" <dyson@iquest.net>
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Don Lewis said:
> On Aug 21,  2:10am, Wes Peters wrote:
> } Subject: mmap mapped segment length
> } I discovered to my dismay today that the length field in the mmap call is
> } a size_t, not an off_t.  I was attempting to process a large (~50 MByte) file
> } and found I was only processing the first 4 MBytes of it.
> 
> 50 MB should comfortably fit in a size_t.
> 
It seems that 4MB and 4GB are being confused :-).

John


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