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Re: selection-sort in C

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Jorgen Grahn wrote:
> 
> On Tue, 2011-08-16, arnuld wrote:
> >> On Tue, 16 Aug 2011 14:24:45 +0300, Phil Carmody wrote:
> >
> >>> arnuld <sunrise@invalid.address> writes:

> >>> int findSmallest(char s[], const int idx_cur, const int len);
> >
> >> The consts on those parameters don't do much,
> >> but aren't actually wrong.
> >
> > Just to show that function is not supposed to change its arguments.
> 
> That makes sense in the /definition/ of the function, provided you
> want them to be const just like you might want any local variable to
> be const.
> 
> It does not make sense in the /declaration/.  The compiler will just
> go "of course you can't change the argument, stupid -- C uses call by
> value!"

Regardless of how arnuld phrased things,
the const qualifiers which are shown above, 
apply to the parameters.

Also, 
if the parameters are const qualified 
in the definition of a function, 
then they should also be const qualified in any prototype
of that function.

-- 
pete

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selection-sort in C arnuld <sunrise@invalid.address> - 2011-08-16 11:08 +0000
  Re: selection-sort in C Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-08-16 14:24 +0300
    Re: selection-sort in C arnuld <sunrise@invalid.address> - 2011-08-16 11:36 +0000
      Re: selection-sort in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-08-16 13:22 +0100
        Re: selection-sort in C arnuld <sunrise@invalid.address> - 2011-08-16 13:44 +0000
          Re: selection-sort in C Anand Hariharan <mailto.anand.hariharan@gmail.com> - 2011-08-16 07:36 -0700
        Re: selection-sort in C Thomas Boell <tboell@domain.invalid> - 2011-08-16 18:03 +0200
          Re: selection-sort in C karnath <karnathtorjian@gmail.com> - 2011-08-16 16:25 +0000
            Re: selection-sort in C Willem <willem@toad.stack.nl> - 2011-08-16 16:33 +0000
          Re: selection-sort in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2011-08-16 20:03 +0100
        Re: selection-sort in C Keith Thompson <kst-u@mib.org> - 2011-08-16 09:27 -0700
      Re: selection-sort in C Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-08-17 20:17 +0000
        Re: selection-sort in C pete <pfiland@mindspring.com> - 2011-08-18 00:41 -0400
          Re: selection-sort in C Ben Pfaff <blp@cs.stanford.edu> - 2011-08-17 21:52 -0700
            Re: selection-sort in C pete <pfiland@mindspring.com> - 2011-08-18 01:07 -0400
              Re: selection-sort in C blp@cs.stanford.edu (Ben Pfaff) - 2011-08-17 22:36 -0700
                Re: selection-sort in C pete <pfiland@mindspring.com> - 2011-08-18 07:00 -0400
    Re: selection-sort in C BGB <cr88192@hotmail.com> - 2011-08-16 14:41 -0700
      Re: selection-sort in C Ian Collins <ian-news@hotmail.com> - 2011-08-17 10:10 +1200
        Re: selection-sort in C BGB <cr88192@hotmail.com> - 2011-08-16 17:25 -0700
          Re: selection-sort in C pacman@kosh.dhis.org (Alan Curry) - 2011-08-17 01:53 +0000
  Re: selection-sort in C Gene <gene.ressler@gmail.com> - 2011-08-16 05:27 -0700
  Re: selection-sort in C Malcolm McLean <malcolm.mclean5@btinternet.com> - 2011-08-16 07:24 -0700
  Re: selection-sort in C pete <pfiland@mindspring.com> - 2011-08-16 19:22 -0400
    Re: selection-sort in C arnuld <sunrise@invalid.address> - 2011-08-17 07:52 +0000
      Re: selection-sort in C Angel <angel+news@spamcop.net> - 2011-08-17 10:15 +0000
      Re: selection-sort in C Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-08-17 13:22 +0300
      Re: selection-sort in C pete <pfiland@mindspring.com> - 2011-08-18 00:33 -0400

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