Newsgroups:	comp.os.msdos.djgpp
From:	rd5718 AT irix DOT bris DOT ac DOT uk (Rich Dawe)
Subject:	Re: Winsock getting dynamic IP
Message-ID:	<EMF36C.I6F@fsa.bris.ac.uk>
Sender:	usenet AT fsa DOT bris DOT ac DOT uk (Usenet)
Organization:	University of Bristol, England
References:	<01bd079b$c810a020$63206ccb AT ashod> <34b0e1a5 DOT 3820592 AT news DOT easynet DOT co DOT uk>
Date:	Wed, 7 Jan 1998 14:06:12 GMT
Lines:	32
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

George Foot (mert0407 AT sable DOT ox DOT ac DOT uk) wrote:
: Maybe.  Another way is to contact someone and do a getsockname on the
: socket -- but you need someone to contact first.  If you have for
: example a DNS server's IP (which you probably want anyway), you could
: contact the DNS server and read off your own IP.  But this requires
: you to know your DNS servers' IP addresses.

	Could you not use the loopback address for this, i.e. contact
yourself?

: A better way is to get the information from the Win95 registry.  I
: tried to do this a while ago but didn't get any sane response from the
: registry vxd; it seems that it accepts calls from protected mode
: without crashing, but doesn't understand any parameters passed that
: way.  You have to pass all your parameters via conventional memory,
: and call it through __dpmi_simulate_real_mode_procedure_retf.

	I have been trying to write registry access functions too, but I
haven't made much progress. My calls to the registry don't crash either -
complete rubbish gets returned though. Does
__dpmi_simulate_real_mode_procedure_retf work better? I'm already
allocating DOS memory using __dpmi_allocate_dos_memory. This is as part of
my Win95 library for DJGPP.

	Rich Dawe

-- 
==============================================================================
              Rich Dawe - 3rd year Physicist @ Bristol Uni, UK
E-mail: rd5718 AT bristol DOT ac DOT uk        Web pages: http://irix.bris.ac.uk/~rd5718/
==============================================================================

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