Date: Thu, 22 Jun 2006 09:49:01 -0500 From: Kevin Kinsey <kdk@daleco.biz> To: Valerio daelli <valerio.daelli@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Error in man page of sendmsg? Message-ID: <449AADDD.7090207@daleco.biz> In-Reply-To: <27dbfc8c0606220654y65fd76ectf3191dc7b935465@mail.gmail.com> References: <27dbfc8c0606220654y65fd76ectf3191dc7b935465@mail.gmail.com>
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Valerio daelli wrote: > working with InterMapper (a network tool) on FreeBSD 5.4 I got a > > sendmsg -1 errno 22 Invalid argument > > I looked in man sendmsg in the errors but I found no EINVAL in the errors. > So I looked at the kernel sources and I found > > --------------------------------------------------------------------------- > > > static int > sendit(td, s, mp, flags) > register struct thread *td; > int s; > register struct msghdr *mp; > int flags; > { > struct mbuf *control; > struct sockaddr *to; > int error; > > if (mp->msg_name != NULL) { > error = getsockaddr(&to, mp->msg_name, mp->msg_namelen); > if (error) { > to = NULL; > goto bad; > } > mp->msg_name = to; > } else { > to = NULL; > } > > if (mp->msg_control) { > if (mp->msg_controllen < sizeof(struct cmsghdr) > #ifdef COMPAT_OLDSOCK > && mp->msg_flags != MSG_COMPAT > #endif > ) { > error = EINVAL; > > -------------------------------------------------------------------- > > > that error is set to EINVAL so the man page should report EINVAL as > possible > error in this funcion. Looks like a good catch. Could you use send-pr(1) to get this into the GNATS (problem report) database? It's a "doc bug", apparently. Kevin Kinsey -- In war it is not men, but the man who counts. -- Napoleon
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