Date: Tue, 30 Jun 2009 23:56:24 -0700 From: Brian Somers <brian@Awfulhak.org> To: Stanislav Sedov <stas@FreeBSD.org> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, Martin Blapp <mbr@FreeBSD.org>, Marc Balmer <marc@msys.ch>, src-committers@FreeBSD.org Subject: Re: svn commit: r195200 - in head/usr.sbin: . wake Message-ID: <20090630235624.13a526dc@dev.lan.Awfulhak.org> In-Reply-To: <20090701014553.32117b64.stas@FreeBSD.org> References: <200906301851.n5UIpNJQ089171@svn.freebsd.org> <20090701014553.32117b64.stas@FreeBSD.org>
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On Wed, 1 Jul 2009 01:45:53 +0400 Stanislav Sedov <stas@FreeBSD.org> wrote:
> > + p = (u_char *)&pkt;
> > + len = sizeof(pkt);
> > + bw = 0;
> > + while (len) {
> > + if ((bw = write(bpf, &pkt, sizeof(pkt))) == -1)
> > + return -1;
> > + len -= bw;
> > + p += bw;
> > + }
> > + return 0;
> > +}
>
> What the "p" pointer is used here for? I don't see any usage for it besides
> incrementing it in the loop. Am I missing something?
The write() has two bugs. It should be write(bpf, p, len).
--
Brian Somers <brian@Awfulhak.org>
Don't _EVER_ lose your sense of humour ! <brian@FreeBSD.org>
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