Subject: Re: kcopy()
To: None <tech-kern@NetBSD.org>
From: der Mouse <mouse@Rodents.Montreal.QC.CA>
Date: 12/20/2003 12:44:27
> just because you trust that the pointer you give me is valid doesn't
> mean i trust you to give me a valid pointer, and if i keep the
> pointer for a few hours, will it still be valid?
> you can't say "yes", so i'm saying "no".
If a pointer might be invalid by the time you use it, merely checking
that it's a valid pointer is _not_ the right thing - it may now be a
valid pointer (once again, rather than still) but pointing to something
Basically, I'm with Matt Thomas here.
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