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Groups > comp.lang.c > #125718

Re: Toy code for currency handling

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: Toy code for currency handling
Date 2018-01-24 11:40 -0800
Organization None to speak of
Message-ID <lntvvb9hak.fsf@kst-u.example.com> (permalink)
References (15 earlier) <92115d86-d5df-4cf5-afe6-37379ec575d1@googlegroups.com> <lnefmjarjj.fsf@kst-u.example.com> <338154ad-7743-4673-8e1c-b644c1cc4cbb@googlegroups.com> <slrnp6h7ve.eu5.grahn+nntp@frailea.sa.invalid> <3f4603c1-8d53-4b06-9221-c0fb22be4b6c@googlegroups.com>

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supercat@casperkitty.com writes:
> On Wednesday, January 24, 2018 at 9:02:21 AM UTC-6, Jorgen Grahn wrote:
>> Are there still any linkers like that?  I remember people getting rid
>> of them in the 1980s.  Also, doesn't ISO C require better linkers
>> since at least C99?
>
> ISO C requires that the an implementation support longer names with external
> objects.  That does not necessarily imply a linker that can handle such names.
> An implementation which is limited to 676 compilation units, each of which
> exports no more than 10,000 symbols, could uphold the C Standard even on a
> system that limits symbols to six alphanumeric characters by using a two-
> stage build process.  During stage 1, the compiler which processes each
> unit would be given a unique two-letter identifier for that unit and produce
> a list of all exported symbols along with labels containing its two-letter
> identifier and an index (e.g. if unit AQ exports 150 symbols, they would be
> labeled AQ0000-AQ0149).  All such lists could be concatenated and made
> available to the compiler for stage 2, where it would actually generate
> code which would use six-character names supported by the linker.

Meanwhile, out here in the real world, are there any linkers currently
used by any C compilers that do not support identifiers of at least 31
characters as required by N1570 5.2.4.1?

No doubt a conforming C99 or C11 compiler *could* be made to work with a
more limited linker, but as far as I know there's simply no need to
worry about it.

As usual, I expect you'll go off on yet another tangent and ignore any
direct questions.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

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Thread

Re: Toy code for currency handling David Thompson <dave.thompson2@verizon.net> - 2018-01-21 11:53 -0500
  Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-21 11:44 -0800
    Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2018-01-21 12:24 -0800
      Re: Toy code for currency handling herrmannsfeldt@gmail.com - 2018-01-23 21:03 -0800
        Re: Toy code for currency handling Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-01-24 15:02 +0000
          Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-24 08:45 -0800
            Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2018-01-24 11:40 -0800
              Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-24 14:52 -0600
              Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-24 13:05 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-24 13:12 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 01:04 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-24 19:17 -0600
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-24 17:33 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 12:14 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 04:31 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 13:03 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 05:28 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 05:37 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 05:43 -0800
                Re: Toy code for currency handling mark.bluemel@gmail.com - 2018-01-25 05:57 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 15:48 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 08:32 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 10:56 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 21:28 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 15:10 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 06:14 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 06:38 -0800
                Re: Toy code for currency handling gordonb.ma9h0@burditt.org (Gordon Burditt) - 2018-01-24 21:53 -0600
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2018-01-25 18:05 +0000
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 18:16 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-26 07:30 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-25 22:08 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-26 20:00 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-26 11:31 +0000
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2018-01-26 15:51 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-26 10:32 -0600
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-26 08:50 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-26 13:11 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-26 18:32 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-26 13:07 -0600
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-27 09:43 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-26 21:44 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-27 11:02 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-27 00:46 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-28 09:19 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-27 21:19 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-27 14:14 -0800
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-28 11:21 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-27 22:32 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-28 12:16 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 00:44 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 04:13 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 13:56 +0000
                Re: Toy code for currency handling Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2018-01-28 06:12 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 06:43 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 15:40 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 07:56 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 16:12 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 08:34 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 16:53 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 09:30 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 09:48 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-28 23:23 -0600
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-29 18:29 +1300
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-28 23:45 -0600
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-29 19:54 +1300
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-29 01:38 -0600
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-29 20:56 +1300
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-29 20:34 -0600
                Re: Toy code for currency handling "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-01-29 21:46 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-28 23:34 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 12:02 +0000
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 12:33 +0000
                Re: Toy code for currency handling Richard Damon <Richard@Damon-Family.org> - 2018-01-29 08:30 -0500
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 14:08 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-29 19:36 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-30 11:49 +0000
                Re: Toy code for currency handling already5chosen@yahoo.com - 2018-01-30 04:45 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-30 13:04 +0000
                Re: Toy code for currency handling already5chosen@yahoo.com - 2018-01-30 05:17 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-30 14:23 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-30 11:39 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-30 18:23 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-30 18:25 -0600
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-31 07:56 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-31 12:56 -0600
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-31 13:09 -0800
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2018-01-31 21:35 +0000
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-31 16:45 -0800
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2018-02-01 08:59 +0100
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-02-01 02:40 -0600
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2018-02-01 10:13 +0100
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2018-02-01 14:49 +0000
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2018-02-01 16:13 +0100
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-02-01 09:05 -0800
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2018-02-01 22:07 +0100
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-02-01 15:49 -0800
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2018-02-02 13:13 +0100
                Re: Toy code for currency handling already5chosen@yahoo.com - 2018-01-30 05:30 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-30 10:48 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 12:59 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-29 20:26 -0600
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-29 20:36 -0600
                Re: Toy code for currency handling mark.bluemel@gmail.com - 2018-01-30 00:34 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-30 11:33 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-30 11:49 -0600
                Re: Toy code for currency handling jameskuyper@verizon.net - 2018-01-30 12:03 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-30 17:40 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-30 12:56 +0000
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-30 11:28 -0600
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-31 19:19 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 04:16 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 13:40 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 06:35 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 07:24 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-28 15:24 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-28 07:44 -0800
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-29 18:34 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 12:21 +0000
                Re: Toy code for currency handling Ian Collins <ian-news@hotmail.com> - 2018-01-30 07:59 +1300
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 19:56 +0000
                Re: Toy code for currency handling scott@slp53.sl.home (Scott Lurndal) - 2018-01-29 20:53 +0000
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-29 21:52 +0000
                Re: Toy code for currency handling Richard Damon <Richard@Damon-Family.org> - 2018-01-27 18:32 -0500
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-27 13:22 -0600
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-26 13:23 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-26 13:41 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-26 14:12 -0800
                Re: Toy code for currency handling bartc <bc@freeuk.com> - 2018-01-26 22:23 +0000
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-26 14:44 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-26 15:28 -0800
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-26 16:22 -0800
                Re: Toy code for currency handling David Brown <david.brown@hesbynett.no> - 2018-01-25 09:11 +0100
                Re: Toy code for currency handling fir <profesor.fir@gmail.com> - 2018-01-25 02:27 -0800
                Re: Toy code for currency handling Robert Wessel <robertwessel2@yahoo.com> - 2018-01-24 15:23 -0600
                Re: Toy code for currency handling Keith Thompson <kst-u@mib.org> - 2018-01-24 14:29 -0800
                Re: Toy code for currency handling supercat@casperkitty.com - 2018-01-24 14:49 -0800

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