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| From | Richard Heathfield <rjh@cpax.org.uk> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: EXIT_SUCCESS |
| Date | 2016-07-25 17:41 +0100 |
| Organization | Origin Sonata |
| Message-ID | <nn5fgh$4t7$1@dont-email.me> (permalink) |
| References | (7 earlier) <return-20160709122630@ram.dialup.fu-berlin.de> <lnh9bymuwq.fsf@kst-u.example.com> <6f1e2608-eac3-49ea-a5f4-0fdc746b2942@googlegroups.com> <nn4ve0$big$1@dont-email.me> <579638b1.119218@news.xs4all.nl> |
On 25/07/16 17:06, Richard Bos wrote:
> Richard Heathfield <rjh@cpax.org.uk> wrote:
>
>> On 25/07/16 12:42, jgh@mdfs.net wrote:
>
>> static const char *get_foo(size_t a)
>> {
>> static const char *numbers[] =
>> {
>> "zero",
>> "one",
>> "two",
>> "three",
>> "four"
>> };
>> size_t maxval = sizeof numbers / sizeof numbers[0] - 1;
>>
>> return numbers[a <= maxval ? a : maxval];
>> }
>
> A good solution,
A slightly better solution (which, of course, I thought of /after/
posting) would have been to make maxval static.
> but it only works well if the accepted values of a are
> contiguous (or nearly so, with at most a handful of ugly extra defaults
> scattered through the array).
That's right. I fitted the solution to the problem. If the problem
changes, sometimes the solution changes too (for example, to a perfect
hash or even some kind of dictionary).
--
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within
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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
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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
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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
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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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