587 lines
22 KiB
Plaintext
587 lines
22 KiB
Plaintext
Subject: Linux-Development Digest #553
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From: Digestifier <Linux-Development-Request@senator-bedfellow.MIT.EDU>
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To: Linux-Development@senator-bedfellow.MIT.EDU
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Reply-To: Linux-Development@senator-bedfellow.MIT.EDU
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Date: Tue, 15 Mar 94 00:13:08 EST
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Linux-Development Digest #553, Volume #1 Tue, 15 Mar 94 00:13:08 EST
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Contents:
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Re: Lint for Linux? (Matthias Urlichs)
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Re: A truely non-debugging Kernel? (Alan Cox)
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Re: Take a look at this netstat, please... (Alan Cox)
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Re: STRAW POLL: Linux groups automonitoring (Ian Jackson)
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Re: Error with ld when trying to use CheckerV0.3 (ld.so.1.9l.4) on linux (Reuben Sumner)
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Re: Wine Question (Gonzalo Diethelm)
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[Q] Unixware filesystem? (Barzilai Spinak)
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Re: select (Robert Andrew Ryan)
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Re: I'm developing UMSDOS Linux Pkg. (Jacques Gelinas)
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Re: UDP report card (Warner Losh)
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LILO help!?!? (Todd Huss)
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Re: select (Erik Nygren)
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fdisk that does not destroy data ?? (Tom J. Jarmolowski)
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Re: 127.x.x.x (was Re: UDP report card) (Warner Losh)
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SVGALIB only as root ? (Ralf Wirdemann)
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TCP and Linux (Dan)
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Re: Linux/Windows (Michael De La Rue)
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Re: 127.x.x.x (was Re: UDP report card) (Mark Evans)
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----------------------------------------------------------------------------
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From: urlichs@smurf.noris.de (Matthias Urlichs)
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Subject: Re: Lint for Linux?
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Date: 14 Mar 1994 10:32:38 +0100
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In comp.os.linux.development, article <JAFFER.94Mar11105535@camelot.ai.mit.edu>,
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jaffer@zurich.ai.mit.edu (Aubrey Jaffer) writes:
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> In article <STEVEV.94Mar6135102@miser.uoregon.edu> stevev@miser.uoregon.edu (Steve VanDevender) writes:
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>
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> gcc -Wall is pretty close to lint for telling you about dumb C
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> coding practices.
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>
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> Not close enough! If you code with K&R style function prototypes (as
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> opposed to ANSI) then gcc -Wall tells you nothing about argument
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> mismatch and number of arguments mismatch between modules.
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In that case, I suggest you write your prototypes with __P macros (see
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/usr/include/anything.h).
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--
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THINK - If you are already thinking, please disregard this button
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--
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Matthias Urlichs \ XLink-POP N|rnberg | EMail: urlichs@smurf.noris.de
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Schleiermacherstra_e 12 \ Unix+Linux+Mac | Phone: ...please use email.
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90491 N|rnberg (Germany) \ Consulting+Networking+Programming+etc'ing 42
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Click <A HREF="http://smurf.noris.de/~urlichs/finger">here</A>.
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------------------------------
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From: iiitac@uk.ac.swan.pyr (Alan Cox)
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Subject: Re: A truely non-debugging Kernel?
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Date: Mon, 14 Mar 1994 12:10:15 GMT
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In article <2loo9h$fo8@aurora.engr.latech.edu> ramos@engr.latech.edu (Alex Ramos) writes:
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>
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>Geez! The kernel has _so much_ debugging code (sanity checks, etc) that
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>I wonder how much smaller it could be. It seems most kernel developers
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>have never heard of #ifdef... Just a thought :-)
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>
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Since you have to do something when you get a completely bogus event the cost
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is pretty minimal. If you've worked with 386BSD or commercial kernels of
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almost any kind you'll find them full of sanity checks. Some of the realtime
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ones tend to just output things like 'OOPS 337 1EFA 226B:441C' and you look
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them up in a book but they are still there.
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Alan
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------------------------------
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From: iiitac@uk.ac.swan.pyr (Alan Cox)
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Subject: Re: Take a look at this netstat, please...
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Date: Mon, 14 Mar 1994 12:15:58 GMT
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In article <jon.763440907@stimpy.cs.iastate.edu> jon@cs.iastate.edu (Jon Green) writes:
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>>I did this netstat at ~3:00 PM (my time). I had performed these
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>>two ftp's over *4* hours earlier. Why haven't these closed down?
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>
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>I've noticed the same problem when using term with tredir. If it closes
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>unexpectedly, the connection won't close properly and hangs there in
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>CLOSE_WAIT. I have to reboot to get the port back. This has also happened
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>when running a mud on port 4000 and telnetting to localhost from another
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>console (I'm not on a network). What's the deal here?
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>
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There are a combination of at least 4 small problems in the tcp closedown
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and timer code. Linus has done number 1 for SO_LINGER. I have patches for
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problems 2 and 3 although I'm still playing with them (Thanks Gerhard) and
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number 4 I haven't traced down yet.
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Alan
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iiitac@pyr.swan.ac.uk
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------------------------------
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From: iwj@cam-orl.co.uk (Ian Jackson)
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Crossposted-To: news.groups,comp.os.linux.misc,comp.os.linux.help,comp.os.linux.admin
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Subject: Re: STRAW POLL: Linux groups automonitoring
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Date: 14 Mar 1994 16:34:49 GMT
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Summary:
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I'm going for Subject line tags instead of Keywords lines.
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Please don't vote against the proposal because of technical
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difficulties with the Keywords header.
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In article <1994Mar13.175238.15537@cs.cornell.edu>,
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Ron "Asbestos" Dippold <voting@qualcomm.com> wrote:
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> STRAW POLL (Last Call)
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> Linux groups automonitoring
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> PROPOSAL (Ian)
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> ...
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> It will send email to the posters of any messages which either
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> (a) do not include one of a set or recognised keywords in the
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> Keywords line or
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> ...
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A number of people have criticised this, saying that
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1. newsreaders have a tendency not to pay any attention to Keywords and
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2. some posters may have technical problems inserting such headers.
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I've therefore been convinced to go for Subject line tags instead, as
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are used in several newsgroups. They often look like this:
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Subject: [keyword] rest of subject line
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I'll be happy to see or receive comments on the exact format.
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--
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Ian Jackson iwj@cam-orl.co.uk ..!uknet!cam-orl!iwj These opinions are my own.
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2 Lexington Close, Cambridge CB4 3LS. + 44 223 575512
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Cambridge University Computer Laboratory, New Musems Site. + 44 223 334676
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Email also via: ijackson@nyx.cs.du.edu PGP2 public key available on request
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------------------------------
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From: rasumner@undergrad.math.uwaterloo.ca (Reuben Sumner)
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Subject: Re: Error with ld when trying to use CheckerV0.3 (ld.so.1.9l.4) on linux
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Date: Mon, 14 Mar 1994 16:00:07 GMT
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In article <2m1udp$mq1@oak7.doc.ic.ac.uk>,
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Nicholas Ambrose <na2@doc.ic.ac.uk> wrote:
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>
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>In article <1994Mar10.053846.13233@mlb.semi.harris.com>, crw@maniac.mlb.semi.harris.com (Carl Williams) writes:
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>|> I am trying to get the Checker program (V0.3) to work and
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>|> am having trouble with ld when I try to run Checker.
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>|>
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>|> Specifically , I am running linux-0.99.15, and I just installed
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>|> gcc2.5.8, libc.4.5.21, and CheckerV0.3 (I installed all of the
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>|> above as I wanted to use Checker !! and the README said I needed
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>|> a gcc at least 2.5 something (I was at gcc2.4.5 before) ).
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>|>
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>|> In installing the above I installed ld.so.1.9l.4.
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>|>
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>|> After all this when I try to compile a program with checkergcc I get:
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>|> # checkergcc test.c -o test
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>|> ld: unrecognized option `-checker'
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>possibly Checker is using -checker instead of -l checker
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>
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>|> Usage: ld [-d] [-dc] [-dp] [-e symbol] [-l lib] [-n] [-noinhibit-exec]
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>|> [-nostdlib] [-o file] [-r] [-s] [-t] [-u symbol] [-x] [-y symbol]
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>|> [-z] [-A file] [-Bstatic] [-D size] [-L libdir] [-M] [-N]
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>|> [-static] [-nojump] [-dll-verbose] [-S] [-T[{text,data}] addr]
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>|> [-V prefix] [-X] [file...]
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>|>
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>|> I tried to use the ld.diff file (that came with the CheckerV0.3)
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>|> to make a new ld.so
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>|> , but it seemed wildly different
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>|> than the ld.c file the diff file was compared against (the ld.diff
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>|> file starts it's changes at line 1154, and the ld.so.c file
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>|> for ld.so.1.9l.4 has only 458 lines.
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>|>
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>|> Can you help/ any suggestions ?
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>|>
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>|> Thanks,
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>|>
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>|> --Carl
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>|> crw@harris.mlb.semi.harris.com
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>Well, a simple solution is to use dbmalloc. it's easy to use. Just include
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>their own malloc.h file, and link with -ldbmalloc. if this does what
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>you want, hen that would seem easier ... This is the most simple way
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>of using dbmalloc admittedly, but iot seeme to pick up most of the stupid
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>errors and works well for me ...
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I'm guessing that you haven't used checker yet. First off the doc says
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that you should have libc 4.5.19 not 21, I don't know if it will make
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a difference. Then you must replace as and ld with the checker versions.
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(the original upload to nic.funet.fi did not have 'em, try now or from
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Sunsite). In my Slackware 1.1.2 system I just make the symlinks
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that used to be as and ld point to the checker version of the above.
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It works quite well although I wish that it would work with C++ and iostream.
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Reuben
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------------------------------
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From: gonzo@malloco.ing.puc.cl (Gonzalo Diethelm)
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Subject: Re: Wine Question
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Date: Sun, 13 Mar 1994 07:32:31 GMT
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Dave Gardner (dgardner@netcom.com) wrote:
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> Elan Feingold (elan@tasha.cheme.cornell.edu) wrote:
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> : This may be a silly question, but when it is done, should it run
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> : most Windows programs, or only those that run in standard mode?
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> An FAQ is being written now which should answer this, and many other,
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> questions. Stay tuned.
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> --
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> ==============================================================================
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> Dave Gardner \ / The views expressed in this message are entirely
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> dgardner@netcom.com -*- my own. I speak for no one else, and no one
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> S. Pasadena, CA / \ else speaks for me .... I think.
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> ==============================================================================
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Let me add a request for inclussion in the FAQ of any information
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about an API for Windows under Linux. Is one being planned? Will
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it support Win16 and Win32? Am I totally missing the point here? 8^)
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What I need to know is whether I'll be able to develop for
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Windows using a Linux box. Maybe a cross compiler would do the trick;
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OTOH maybe I'll be able to run Borland C++ on top of wine.
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So many questions, so little info...
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Gonzalo
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------------------------------
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From: barspi@wam.umd.edu (Barzilai Spinak)
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Subject: [Q] Unixware filesystem?
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Date: 14 Mar 1994 17:04:14 GMT
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After 1 1/2 years of waiting, I will shortly have a BIG computer and
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will install Unixware, Linux and Windows (ugh! ...I need to). My question
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is if there's a Unixware filesystem the Linux can use. I don't know anything
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about Unixware yet and I don't know if it uses a proprietary filesystem
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or not.
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Thanks.
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+---------------------------------+
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| Barzilai Spinak |
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| ..... barspi@wam.umd.edu |
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| (-O-O-) barspi@eng.umd.edu |
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+nnn--U--nnn----------------------+
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------------------------------
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From: Robert Andrew Ryan <rr2b+@andrew.cmu.edu>
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Subject: Re: select
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Date: Mon, 14 Mar 1994 12:59:18 -0500
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Excerpts from netnews.comp.os.linux.development: 10-Mar-94 Re: select
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Mark Evans@mb48026.aston (1123)
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> What happens is that quite a few versions of select(), including on Suns,
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> never write to the timeout. So what is actually broken code runs ok on
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> them.
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What standard specifies select should write to the timeval? SunOS 4.1
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is the only system I've seen where it's even mentioned as a possible
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future enhancement. I certainly agree it's a useful enhancement, but it
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is incompatible with a great number of previous implementations. This
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is a serious source of bugs for the unwary porting interactive network
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programs.
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-Rob
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------------------------------
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Crossposted-To: comp.os.linux.misc
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From: jack@solucorp.qc.ca (Jacques Gelinas)
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Subject: Re: I'm developing UMSDOS Linux Pkg.
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Date: Sun, 13 Mar 94 01:21:52 GMT
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Sounds like you do something in the line of L.A.D.R (Linux
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Advanced Desktop Release) which is the followup to the simple
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UMSDOS installation kit. Maybe we may split the job. I am
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currently doing experience with the andrew multimedia system.
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I hope to provide some sort of embeded help/administration system.
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My goal is to cleanup all(most) rough edges in linux. Many are
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show stopper for newbie and some experience users. These include
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at least:
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swap
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user admin
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printers
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Networking
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Mail
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In fact, I don't expect to make everything simple, but certainly enough
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so a newbie will be able to make some use of linux (and be impressed).
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--
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========================================================
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Jacques Gelinas (jacques@solucorp.qc.ca)
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Maintainer of US4BINR jacques@us4binr.login.qc.ca
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------------------------------
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From: imp@boulder.parcplace.com (Warner Losh)
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Subject: Re: UDP report card
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Date: Mon, 14 Mar 1994 18:08:37 GMT
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In article <CMnFpI.72K@eecs.nwu.edu> hpa@nwu.edu (H. Peter Anvin) writes:
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>Personally I find this use of a class A network for this purpose pretty
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>ridiculous, but I can see where having multiple loopback addresses
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>could be of use; 127.0.0.1 should then be the equivalent to the
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>"outside" entrypoint. But a Class A? Give me a break.
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The address was assigned back in the days when the interet was but a
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few hundred hosts and nobody thought that it would ever be large
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enough to make assigning a large block of addresses a problem. Now
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they are redesigning IP to handle more than 4 billion hosts[*]...
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Warner
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[*] Due to subnetting and other name space issues, the actual upper
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limit is much smaller than this.
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--
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Warner Losh imp@boulder.parcplace.COM ParcPlace Boulder
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"... but I can't promote you to "Prima Donna" unless you demonstrate a few
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more serious personality disorders"
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------------------------------
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From: thuss@moose.uvm.edu (Todd Huss)
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Subject: LILO help!?!?
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Date: Mon, 14 Mar 1994 17:00:03 GMT
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I just recently installed Linux with X and during the installation it
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asked me if I wanted to use LILO to boot and ofcourse I said yes, while
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I normally boot from my dos partition (/dev/hda1) and I'd like to have
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the option to not always use a boot floppy. I found the lilo directory on
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(/dev/hda2) which is my linux partition, however I don't really know what
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to do with it .... Apparently when I asked linux to boot using lilo it
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didn't touch my c drive or (dev/hda1). I was wondering how I go about
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setting up LILO on my c drive (/dev/hda1) so that I can boot to linux
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without a boot disk. Any help is greatly appreciated!
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-Todd
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--
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=============================================================================
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Todd C. Huss
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thuss@moose.uvm.edu
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huss@emba.uvm.edu
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------------------------------
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From: nygren@athena.mit.edu (Erik Nygren)
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Subject: Re: select
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Date: 15 Mar 1994 03:07:19 GMT
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In article <MhV_Lq600gjON0lH0U@andrew.cmu.edu>, Robert Andrew Ryan <rr2b+@andrew.cmu.edu> writes:
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|> Excerpts from netnews.comp.os.linux.development: 10-Mar-94 Re: select
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|> Mark Evans@mb48026.aston (1123)
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|>
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|> > What happens is that quite a few versions of select(), including on Suns,
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|> > never write to the timeout. So what is actually broken code runs ok on
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|> > them.
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|>
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|> What standard specifies select should write to the timeval? SunOS 4.1
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|> is the only system I've seen where it's even mentioned as a possible
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|> future enhancement. I certainly agree it's a useful enhancement, but it
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|> is incompatible with a great number of previous implementations. This
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|> is a serious source of bugs for the unwary porting interactive network
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|> programs.
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|>
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|> -Rob
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IRIX 5.0 also mentions in its man pages that this is a possible future
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enhancement. However, I have ported one thing which did spin because
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it relied on the timeout value not changing.
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--- Erik
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------------------------------
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From: tjj@visual.com (Tom J. Jarmolowski)
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Subject: fdisk that does not destroy data ??
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Reply-To: tjj@visual.com
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Date: Mon, 14 Mar 1994 15:53:32 GMT
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Hi, I'm getting ready to do a first time install of linux on a
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currently dos/windows only system, hnece I have to partition my drive.
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Since the system is new, there is plenty of free space. My question is
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is there a version of fdisk that will partition my disk ** without **
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destroying the data now on it ?
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I would really like to avoid doing a complete re-install of my windows stuff
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or a backup to floppy.
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Thanks.
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ps: please e-mail me a reply since we tend to loose a fair percent of news.
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I will post any positive replies.
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--
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=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
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Tom Jarmolowski _/_ tjj@visual.com
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Visual Technology / __ _____ ...uunet!visual!tjj
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120 Flanders Rd (__ (_) ( ) ) Voice: 1-800-VISUAL-C
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Westboro MA 01581 (in MA) (508) 366-2949
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Fax: (508) 366-4337
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------------------------------
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Crossposted-To: comp.protocols.tcp-ip
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From: imp@boulder.parcplace.com (Warner Losh)
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Subject: Re: 127.x.x.x (was Re: UDP report card)
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Date: Mon, 14 Mar 1994 17:59:04 GMT
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In article <1994Mar14.011113.2735@unlv.edu> ftlofaro@unlv.edu (Frank
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Lofaro) writes:
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>Anyone in comp.os.linux.development or comp.protocols.tcp-ip want to
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>comment? If my interpretation is correct, 127.x.x.x should always be
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>looped back.
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>
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>Is rfc1122 obsolete? Or does the 127.x.x.x statemnet shown above still
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>hold?
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I know of at least two commercial versions of IP that have had bug
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fixes applied to them that stop them from spitting out 127.* to the
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wire. I'm not aware of anything that supplants this requirement in
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RFC 1122.
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Any system that does spits 127.* to the wire is broken.
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Warner
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--
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Warner Losh imp@boulder.parcplace.COM ParcPlace Boulder
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"... but I can't promote you to "Prima Donna" unless you demonstrate a few
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more serious personality disorders"
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------------------------------
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From: d16i@zfn.uni-bremen.de (Ralf Wirdemann)
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Subject: SVGALIB only as root ?
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Date: 14 Mar 1994 16:21:42 GMT
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Hi,
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I have some problmes with my SVGALIB. I cant execute
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the programms, which use this lib. I allways get the
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message "svgalib: i/o permission denied". This porblems doesnt
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occurs as root. Does anybody know a solution ?
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Thanks in advance, Ralf.
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------------------------------
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From: galpin@cats.ucsc.edu (Dan)
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Subject: TCP and Linux
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Date: 14 Mar 1994 21:27:23 GMT
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I am having a problem with a socket connection to localhost with TCP/IP.
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The Linux system that I am using is patchlevel 14, and all the network
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services appear to function.. (telnet, ftp, nfs mount...) When I try to do
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TCP socket connects, I get an IMMEDIATE error return from the source code
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below. In the source code below, I am simply trying to connect to localhost.
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if ( connect(*piSocket, &stSocketIn, sizeof(stSocketIn)) < 0 )
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return TCP_CONNECT_ERROR; /* error in errno */
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return 0;
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Are there any setup issues with TCP that I should be aware of? Note that the
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source that I have will execute properly on a Solaris/SunOS, Unixware, SCO,
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HPUX or AIX box, so this has been a bit puzzling.
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Any Ideas? I wanted to try this first before wasting lots of bandwidth posting
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source.
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- Dan
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--
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******************************************************************************
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* Dan Galpin galpin@cats.ucsc.edu *
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******************************************************************************
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--
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******************************************************************************
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* Dan Galpin galpin@cats.ucsc.edu *
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******************************************************************************
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------------------------------
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From: p91152@PROBLEM_WITH_INEWS_GATEWAY_FILE (Michael De La Rue)
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Subject: Re: Linux/Windows
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Reply-To: miked@ed.ac.uk
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Date: Mon, 14 Mar 1994 18:07:19 GMT
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A windows emulator exists but it's not complete by any means. From
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what I hear all important windows software can be run though
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(solitare). For other stuff you have to wait. If you want to be
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involved they have their own mail list on the usual place (see the
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meta-faq etc). You are looking for 'Wine'.
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nice adj. 1. pleasent, satisfactory (of a person) kind, good-natured.
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2.(iron) bad difficult awkward. 3. needing precision and care; subtle....
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The Oxford Reference Dictionary.
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Linux/Unix clone/ftp:src.doc.ic.ac.uk//packages/linux/sunsite.unc-mirror/docs
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------------------------------
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Crossposted-To: comp.protocols.tcp-ip
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From: evansmp@mb48026.aston.ac.uk (Mark Evans)
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Subject: Re: 127.x.x.x (was Re: UDP report card)
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Date: Mon, 14 Mar 1994 19:07:12 GMT
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Frank Lofaro (ftlofaro@unlv.edu) wrote:
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: Well the route thing works.
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: However, I think that all 127.x.x.x addresses should be loopback.
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: 1: It does not break anybody's set up, unless they are violating RFC's
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: by using the 127 net for their own purposes (they deserve to lose, they
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: aren't interoperable)
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: 2: Have 127.x.x.x always be loopback is MANDATED by rfc1122.
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: (g) { 127, <any> }
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: Internal host loopback address. Addresses of this form
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: MUST NOT appear outside a host.
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: Anyone in comp.os.linux.development or comp.protocols.tcp-ip want to
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: comment? If my interpretation is correct, 127.x.x.x should always be
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: looped back.
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Also a host should NEVER respond to an arp request for such an address.
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If it ever gets a datagram addressed to 127.x.x.x on any real device
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it should silently ignore it.
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(I'm not sure what the status of putting 127.x.x.x in a source route is,
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however)
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: Is rfc1122 obsolete? Or does the 127.x.x.x statemnet shown above still
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: hold?
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------------------------------
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** FOR YOUR REFERENCE **
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The service address, to which questions about the list itself and requests
|
|
to be added to or deleted from it should be directed, is:
|
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|
|
Internet: Linux-Development-Request@NEWS-DIGESTS.MIT.EDU
|
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You can send mail to the entire list (and comp.os.linux.development) via:
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|
|
Internet: Linux-Development@NEWS-DIGESTS.MIT.EDU
|
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|
|
Linux may be obtained via one of these FTP sites:
|
|
nic.funet.fi pub/OS/Linux
|
|
tsx-11.mit.edu pub/linux
|
|
sunsite.unc.edu pub/Linux
|
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End of Linux-Development Digest
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******************************
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