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Date:      Fri, 4 Aug 2000 20:28:14 -0700 (PDT)
From:      Kris Kennaway <kris@FreeBSD.org>
To:        Garance A Drosihn <drosih@rpi.edu>
Cc:        Warner Losh <imp@village.org>, Kris Kennaway <kris@hub.freebsd.org>, audit@FreeBSD.ORG
Subject:   Re: strncpy bugs
Message-ID:  <Pine.BSF.4.21.0008042027130.63007-100000@freefall.freebsd.org>
In-Reply-To: <v04210101b5b13053e745@[128.113.24.47]>

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On Fri, 4 Aug 2000, Garance A Drosihn wrote:

> At 3:33 PM -0600 8/4/00, Warner Losh wrote:
> >
> >Usually, I do the following stylaistically:
> >	strncpy(dst, src, X);
> >	dst[X] = '\0';
> >where X is the size of the buffer minus 1.
> >
> >This goes to show how right Theo de Raadt was with his strlcpy
> >API change :-).  Getting this right is too tedious to be left
> >to the user.
> 
> So, should we change our habits, and use strlcpy fixes instead
> of repeatedly rewriting strncpy fixes?

strlcpy is definitely easier to use correctly. However, it's probably not
worthwhile replacing correct strncpy usage in most instances.

Kris

--
In God we Trust -- all others must submit an X.509 certificate.
    -- Charles Forsythe <forsythe@alum.mit.edu>



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