Date: Thu, 10 May 2001 09:24:01 -0700 From: Alfred Perlstein <bright@wintelcom.net> To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> Cc: net@FreeBSD.ORG Subject: Re: getaddrinfo irritation Message-ID: <20010510092401.M18676@fw.wintelcom.net> In-Reply-To: <200105101612.MAA81594@khavrinen.lcs.mit.edu>; from wollman@khavrinen.lcs.mit.edu on Thu, May 10, 2001 at 12:12:59PM -0400 References: <20010510082025.J18676@fw.wintelcom.net> <200105101540.LAA81367@khavrinen.lcs.mit.edu> <20010510090322.K18676@fw.wintelcom.net> <20010510090907.L18676@fw.wintelcom.net> <200105101612.MAA81594@khavrinen.lcs.mit.edu>
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* Garrett Wollman <wollman@khavrinen.lcs.mit.edu> [010510 09:13] wrote:
> <<On Thu, 10 May 2001 09:09:07 -0700, Alfred Perlstein <bright@wintelcom.net> said:
>
> > Shouldn't it do the mapping of addrhint.ai_protocol=6 (tcp)
> > into ai_socktype = SOCK_STREAM?
>
> No. In the socket model, the protocol is subordinate to the type of
> socket. (For example, XNS SPP can implements both SOCK_SEQPACKET and
> SOCK_STREAM.)
Ugh, and just when I thought I had it licked...
Index: getaddrinfo.c
===================================================================
RCS file: /home/ncvs/src/lib/libc/net/getaddrinfo.c,v
retrieving revision 1.20
diff -u -r1.20 getaddrinfo.c
--- getaddrinfo.c 2001/03/17 14:25:23 1.20
+++ getaddrinfo.c 2001/05/10 16:25:10
@@ -415,6 +415,18 @@
}
}
}
+ /*
+ * If only protocol is supplied then lookup socktype
+ */
+ else if (pai->ai_protocol != ANY) {
+ for (ex = explore; ex->e_af >= 0; ex++) {
+ if (pai->ai_protocol == ex->e_protocol) {
+ pai->ai_socktype = ex->e_socktype;
+ break;
+ }
+ }
+ }
+
}
/*
I guess this is a no-no then? It tries to match the protocol with
the socktype.
--
-Alfred Perlstein - [alfred@freebsd.org]
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