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Date:      Thu, 4 Jan 1996 11:44:40 -0700 (MST)
From:      Terry Lambert <terry@lambert.org>
To:        bde@zeta.org.au (Bruce Evans)
Cc:        hackers@freebsd.org, terry@lambert.org
Subject:   Re: OK, I'm stumped...
Message-ID:  <199601041844.LAA18218@phaeton.artisoft.com>
In-Reply-To: <199601040546.QAA15201@godzilla.zeta.org.au> from "Bruce Evans" at Jan 4, 96 04:46:09 pm

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> >Why would anyone ever specify a second argument to uiomove() that
> >was less than the largest iov->iov_len for the iov list in the
> >uio structure that was passed in?
> 
> Because iov->iov_len might be as large as INT_MAX and it may be hard
> to allocate a large enough kernel buffer.
> 
> 	char buf[SMALLSIZE];
> 	...
> 	r = uiomove(buf, sizeof buf, uio);

I agree that this is a possibility.

But I didn't see this usage in the kernel.  Did I not look hard enough?


					Regards,
					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.



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