Re: EXIT_SUCCESS

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From	Keith Thompson <kst-u@mib.org>
Newsgroups	comp.lang.c
Subject	Re: EXIT_SUCCESS
Date	Mon, 25 Jul 2016 15:04:44 -0700
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BartC <bc@freeuk.com> writes:
> On 25/07/2016 19:14, Richard Heathfield wrote:
>> On 25/07/16 19:04, Keith Thompson wrote:
>>> Richard Heathfield <rjh@cpax.org.uk> writes:
>
>>>>>>      size_t maxval = sizeof numbers / sizeof numbers[0] - 1;
>>>>>>      return numbers[a <= maxval ? a : maxval];
>
>>>> A slightly better solution (which, of course, I thought of /after/
>>>> posting) would have been to make maxval static.
>>>
>>> And const?
>>
>> Yep. I thought of that one after posting the one I thought of after
>> posting the first one. Shades of IEFBR14.
>
> So:
>
>   static const size_t maxval = ...
>
> before you've even started expressing the size of the array?

What?

The size of the array is determined by the initializer.

We were merely talking about adding "const" and "static" to the existing
declaration of "maxval", like this:

static const char *get_foo(size_t a)
{
  static const char *numbers[] =
  {
    "zero",
    "one",
    "two",
    "three",
    "four"
  };
  static const size_t maxval = sizeof numbers / sizeof numbers[0] - 1;

  return numbers[a <= maxval ? a : maxval];
}

[...]

-- 
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"

Thread

EXIT_SUCCESS Real Troll <real.troll@trolls.com> - 2016-07-08 00:00 -0300
  Re: EXIT_SUCCESS luser droog <luser.droog@gmail.com> - 2016-07-07 19:54 -0700
  Re: EXIT_SUCCESS Ian Collins <ian-news@hotmail.com> - 2016-07-08 15:03 +1200
  Re: EXIT_SUCCESS James Kuyper <jameskuyper@verizon.net> - 2016-07-07 23:20 -0400
    Re: EXIT_SUCCESS Richard Heathfield <rjh@cpax.org.uk> - 2016-07-08 10:19 +0100
      Re: EXIT_SUCCESS Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-07-08 03:25 -0700
        Re: EXIT_SUCCESS Richard Heathfield <rjh@cpax.org.uk> - 2016-07-08 13:49 +0100
        Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-08 08:33 -0700
          Re: EXIT_SUCCESS Gareth Owen <gwowen@gmail.com> - 2016-07-08 18:03 +0100
            Re: EXIT_SUCCESS Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-07-08 19:11 +0100
              Re: EXIT_SUCCESS "Osmium" <r124c4u102@comcast.net> - 2016-07-08 14:25 -0500
                Re: EXIT_SUCCESS Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-07-08 20:34 +0100
                Re: EXIT_SUCCESS Ken Brody <kenbrody@spamcop.net> - 2016-07-11 19:10 -0400
                Re: EXIT_SUCCESS Robert Wessel <robertwessel2@yahoo.com> - 2016-07-10 01:21 -0500
                Re: EXIT_SUCCESS Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-07-10 16:09 -0600
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-10 16:01 -0700
                Re: EXIT_SUCCESS "Osmium" <r124c4u102@comcast.net> - 2016-07-10 18:30 -0500
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-10 17:00 -0700
                Re: EXIT_SUCCESS James Kuyper <jameskuyper@verizon.net> - 2016-07-10 22:43 -0400
                Re: EXIT_SUCCESS Siri Cruise <chine.bleu@yahoo.com> - 2016-07-10 22:31 -0700
                Re: EXIT_SUCCESS raltbos@xs4all.nl (Richard Bos) - 2016-07-11 08:24 +0000
                Re: EXIT_SUCCESS Ken Brody <kenbrody@spamcop.net> - 2016-07-11 19:18 -0400
                Re: EXIT_SUCCESS gazelle@shell.xmission.com (Kenny McCormack) - 2016-07-11 00:47 +0000
                Re: EXIT_SUCCESS gordonb.0aikd@burditt.org (Gordon Burditt) - 2016-07-12 18:52 -0500
                Re: EXIT_SUCCESS "James R. Kuyper" <jameskuyper@verizon.net> - 2016-07-12 20:32 -0400
                Re: EXIT_SUCCESS Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-07-12 20:59 -0600
                Re: EXIT_SUCCESS gordonb.a2m2l@burditt.org (Gordon Burditt) - 2016-07-13 02:11 -0500
                Re: EXIT_SUCCESS James Kuyper <jameskuyper@verizon.net> - 2016-07-13 11:26 -0400
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-13 08:48 -0700
                Re: EXIT_SUCCESS Tim Rentsch <txr@alumni.caltech.edu> - 2016-07-18 09:54 -0700
            Re: EXIT_SUCCESS James Kuyper <jameskuyper@verizon.net> - 2016-07-08 17:46 -0400
              Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-09 13:13 -0700
                Re: EXIT_SUCCESS jgh@mdfs.net - 2016-07-25 04:42 -0700
                Re: EXIT_SUCCESS Richard Heathfield <rjh@cpax.org.uk> - 2016-07-25 13:07 +0100
                Re: EXIT_SUCCESS Udyant Wig <udyant.wig@gmail.com> - 2016-07-25 20:05 +0530
                Re: EXIT_SUCCESS raltbos@xs4all.nl (Richard Bos) - 2016-07-25 16:06 +0000
                Re: EXIT_SUCCESS Richard Heathfield <rjh@cpax.org.uk> - 2016-07-25 17:41 +0100
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-25 11:04 -0700
                Re: EXIT_SUCCESS Richard Heathfield <rjh@cpax.org.uk> - 2016-07-25 19:14 +0100
                Re: EXIT_SUCCESS BartC <bc@freeuk.com> - 2016-07-25 22:00 +0100
                Re: EXIT_SUCCESS Richard Heathfield <rjh@cpax.org.uk> - 2016-07-25 22:03 +0100
                Re: EXIT_SUCCESS BartC <bc@freeuk.com> - 2016-07-25 22:41 +0100
                Re: EXIT_SUCCESS jadill33@gmail.com - 2016-07-25 14:50 -0700
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-25 15:04 -0700
                Re: EXIT_SUCCESS David Brown <david.brown@hesbynett.no> - 2016-07-26 10:43 +0200
                Re: EXIT_SUCCESS jadill33@gmail.com - 2016-07-25 14:41 -0700
                Re: EXIT_SUCCESS David Brown <david.brown@hesbynett.no> - 2016-07-26 10:59 +0200
                Re: EXIT_SUCCESS jadill33@gmail.com - 2016-07-27 06:20 -0700
                Re: EXIT_SUCCESS Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-07-27 15:44 +0100
                Re: EXIT_SUCCESS Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-07-27 16:22 +0100
                Re: EXIT_SUCCESS Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-07-27 11:20 -0600
                Re: EXIT_SUCCESS luser droog <luser.droog@gmail.com> - 2016-07-27 15:32 -0700
                Re: EXIT_SUCCESS Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-07-28 14:47 +0100
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-25 08:46 -0700
                Re: EXIT_SUCCESS David Brown <david.brown@hesbynett.no> - 2016-07-26 12:44 +0200
                Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-26 08:24 -0700
                Re: EXIT_SUCCESS David Brown <david.brown@hesbynett.no> - 2016-07-26 19:26 +0200
                Re: EXIT_SUCCESS BartC <bc@freeuk.com> - 2016-07-26 18:03 +0100
              Re: EXIT_SUCCESS Ken Brody <kenbrody@spamcop.net> - 2016-07-11 19:15 -0400
                Re: EXIT_SUCCESS supercat@casperkitty.com - 2016-07-11 16:46 -0700
                Re: EXIT_SUCCESS raltbos@xs4all.nl (Richard Bos) - 2016-07-15 13:51 +0000
                Re: EXIT_SUCCESS supercat@casperkitty.com - 2016-07-15 08:07 -0700
                Re: EXIT_SUCCESS Ken Brody <kenbrody@spamcop.net> - 2016-07-15 14:33 -0400
                Re: EXIT_SUCCESS raltbos@xs4all.nl (Richard Bos) - 2016-07-23 09:07 +0000
                Re: EXIT_SUCCESS Randy Howard <rhoward.mx@EverybodyUsesIt.com> - 2016-07-23 16:44 -0500
                Re: EXIT_SUCCESS Ken Brody <kenbrody@spamcop.net> - 2016-07-25 10:36 -0400
                Re: EXIT_SUCCESS Randy Howard <rhoward.mx@EverybodyUsesIt.com> - 2016-07-25 15:28 -0500
              Re: EXIT_SUCCESS Rosario19 <Ros@invalid.invalid> - 2016-07-18 09:45 +0200
        Re: EXIT_SUCCESS gordonb.bitq1@burditt.org (Gordon Burditt) - 2016-07-08 17:56 -0500
  Re: EXIT_SUCCESS Keith Thompson <kst-u@mib.org> - 2016-07-08 08:35 -0700
    Re: EXIT_SUCCESS luser droog <luser.droog@gmail.com> - 2016-07-31 15:03 -0700
      Re: EXIT_SUCCESS Real Troll <real.troll@trolls.com> - 2016-07-31 18:09 -0400
      Re: EXIT_SUCCESS luser droog <luser.droog@gmail.com> - 2016-07-31 15:36 -0700
      Re: EXIT_SUCCESS James Kuyper <jameskuyper@verizon.net> - 2016-08-01 10:09 -0400

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