From owner-freebsd-hackers  Fri Feb 23 22:23:58 2001
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Date: Sat, 24 Feb 2001 07:23:27 +0100
From: Thierry Herbelot <thierry.herbelot@free.fr>
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To: Jordan DeLong <fracture@allusion.net>
Cc: hackers@FreeBSD.ORG
Subject: Re: detecting a closing socket from a Lex/Yacc interpreter ?
References: <3A95776A.1E76A7B@free.fr> <20010222140911.A9405@cx420564-b.tucson1.az.home.com>
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Jordan DeLong wrote:
> 
> I'm assuming right now you are just setting yyin to the fd for the socket.
> What you're gonna want to do is define the macro YY_INPUT (see the man page for
> details) so that it calls recv on your socket.  and then if it errors you can
> have YY_INPUT return as an EOF and your <<EOF>> rule will work fine.
> 

indeed, taking the very simple YY_INPUT code from the man page of lex
did the trick (+ remembering to close the fd's associated to the socket
...)

	Thanks

-- 
Thierry Herbelot

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