Date: 28 Jan 2001 00:06:37 +0100 From: Dag-Erling Smorgrav <des@ofug.org> To: "Justin T. Gibbs" <gibbs@scsiguy.com> Cc: freebsd-arch@FreeBSD.ORG Subject: Re: Proposed change to sbuf semantics Message-ID: <xzpwvbgppc2.fsf@flood.ping.uio.no> In-Reply-To: "Justin T. Gibbs"'s message of "Sat, 27 Jan 2001 15:49:40 -0700" References: <200101272249.f0RMneO30798@aslan.scsiguy.com>
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"Justin T. Gibbs" <gibbs@scsiguy.com> writes: > I still need an "sbuf_empty()" type method. 8-) > Or did I miss something in the diff? Ooh, I thought you meant sbuf_clear(). sbuf_empty() as you put it is a predicate, not a method (or "an observer, not a generator" to use the terms I was taught in type theory class) > In otherwords, I'd like to be able to test if an > sbuf has been written to before it has been finalized > so you can do things like: Well, you can use sbuf_len() for that. It returns 0 if the sbuf is empty, -1 if it overflowed, and the length of its contents otherwise. DES -- Dag-Erling Smorgrav - des@ofug.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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