Re: Right trim string function in C

From	Keith Thompson <kst-u@mib.org>
Newsgroups	comp.lang.c
Subject	Re: Right trim string function in C
Date	2012-02-10 15:31 -0800
Organization	None to speak of
Message-ID	<ln4nuyl0zb.fsf@nuthaus.mib.org> (permalink)
References	(1 earlier) <trim-20120210195847@ram.dialup.fu-berlin.de> <2qqaj791gt4d2fjgtlmds1asoqll9bhq0g@4ax.com> <4F3573DB.60505@verizon.net> <0.c20ab90332b1b9d6672c.20120210221526GMT.87fweibaip.fsf@bsb.me.uk> <4F359875.9050809@verizon.net>

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James Kuyper <jameskuyper@verizon.net> writes:
> On 02/10/2012 05:15 PM, Ben Bacarisse wrote:
[...]
>> Only one blank needs to be changed to a null to satisfy the OP's
>> request.  So far, the solutions have done more than that.  It's not
>> wrong, but it is noteworthy.
>
> He asked to have the trailing blanks removed. That's "blanks", plural -
> removing only a single blank doesn't do the job. It's possible that what
> you're suggesting is what he actually meant, but I've worked in
> situations where it was important to zero-out the unused portion of a
> buffer containing a string, and that's what I assumed he was looking
> for. Several others seem to agree.

Setting just the first trailing blank to '\0' does remove all the
trailing blanks *from the string*, but not from the array.

This is an argument for clear problem statements.  This sometimes
requires a bit of back-and-forth to clarify ambiguities; it's not
realistic to expect that every problem statement will be completely
unambiguous in its initial form.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
    Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

Thread

Right trim string function in C peter <pc722@nospam.mail.com.br> - 2012-02-10 18:17 +0000
  Re: Right trim string function in C James Kuyper <jameskuyper@verizon.net> - 2012-02-10 13:36 -0500
    Re: Right trim string function in C Devil with the China Blue Dress <chine.bleu@yahoo.com> - 2012-02-10 11:00 -0800
      Re: Right trim string function in C "BartC" <bc@freeuk.com> - 2012-02-14 12:41 +0000
        Re: Right trim string function in C "BartC" <bc@freeuk.com> - 2012-02-14 14:14 +0000
          Re: Right trim string function in C Ike Naar <ike@iceland.freeshell.org> - 2012-02-15 00:03 +0000
            Re: Right trim string function in C "BartC" <bc@freeuk.com> - 2012-02-15 01:00 +0000
              Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-15 02:08 +0000
              Re: Right trim string function in C Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-02-15 03:08 -0800
                Re: Right trim string function in C gazelle@shell.xmission.com (Kenny McCormack) - 2012-02-15 13:00 +0000
                Re: Right trim string function in C Kaz Kylheku <kaz@kylheku.com> - 2012-02-16 00:36 +0000
              Re: Right trim string function in C Kaz Kylheku <kaz@kylheku.com> - 2012-02-16 00:28 +0000
              Re: Right trim string function in C gordonb.7bjv1@burditt.org (Gordon Burditt) - 2012-03-12 03:27 -0500
                Re: Right trim string function in C China Blue Water Navy <chine.bleu@yahoo.com> - 2012-03-12 03:57 -0800
        Re: Right trim string function in C Devil with the China Blue Dress <chine.bleu@yahoo.com> - 2012-02-14 09:59 -0800
      Re: Right trim string function in C Kaz Kylheku <kaz@kylheku.com> - 2012-02-14 12:56 +0000
        Re: Right trim string function in C Devil with the China Blue Dress <chine.bleu@yahoo.com> - 2012-02-14 09:17 -0800
        Re: Right trim string function in C Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-02-14 10:10 -0800
  Re: Right trim string function in C Barry Schwarz <schwarzb@dqel.com> - 2012-02-10 11:30 -0800
    Re: Right trim string function in C James Kuyper <jameskuyper@verizon.net> - 2012-02-10 14:45 -0500
      Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-10 22:15 +0000
        Re: Right trim string function in C James Kuyper <jameskuyper@verizon.net> - 2012-02-10 17:21 -0500
          Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-10 23:25 +0000
          Re: Right trim string function in C Keith Thompson <kst-u@mib.org> - 2012-02-10 15:31 -0800
      Re: Right trim string function in C pete <pfiland@mindspring.com> - 2012-02-10 17:17 -0500
        Re: Right trim string function in C Devil with the China Blue Dress <chine.bleu@yahoo.com> - 2012-02-10 15:12 -0800
  Re: Right trim string function in C "Morris Keesan" <mkeesan@post.harvard.edu> - 2012-02-10 14:46 -0500
    Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-10 21:56 +0000
      Re: Right trim string function in C James Kuyper <jameskuyper@verizon.net> - 2012-02-10 17:08 -0500
        Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-10 23:14 +0000
          Re: Right trim string function in C David Thompson <dave.thompson2@verizon.net> - 2012-02-18 23:11 -0500
      Re: Right trim string function in C Keith Thompson <kst-u@mib.org> - 2012-02-11 12:06 -0800
      Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-11 20:12 +0000
      Re: Right trim string function in C Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-08 13:10 -0800
  Re: Right trim string function in C "Scott Fluhrer" <sfluhrer@ix.netcom.com> - 2012-02-10 15:39 -0500
  Re: Right trim string function in C Shao Miller <sha0.miller@gmail.com> - 2012-02-11 03:52 -0500
    Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-11 13:50 +0000
      Re: Right trim string function in C Shao Miller <sha0.miller@gmail.com> - 2012-02-11 11:47 -0500
        Re: Right trim string function in C Shao Miller <sha0.miller@gmail.com> - 2012-02-11 12:20 -0500
        Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-11 20:57 +0000
          Re: Right trim string function in C Shao Miller <sha0.miller@gmail.com> - 2012-02-11 17:43 -0500
  Re: Right trim string function in C Willem <willem@toad.stack.nl> - 2012-02-11 11:57 +0000
    Re: Right trim string function in C Willem <willem@toad.stack.nl> - 2012-02-11 18:11 +0000
  Re: Right trim string function in C August Karlstrom <fusionfile@gmail.com> - 2012-02-11 18:41 +0100
    Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-11 19:58 +0000
      Re: Right trim string function in C Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-02-11 13:11 -0800
      Re: Right trim string function in C August Karlstrom <fusionfile@gmail.com> - 2012-02-11 22:18 +0100
        Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-11 23:48 +0000
          Re: Right trim string function in C August Karlstrom <fusionfile@gmail.com> - 2012-02-12 02:20 +0100
          Re: Right trim string function in C Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-02-12 03:44 -0800
            Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-12 14:01 +0000
              Re: Right trim string function in C Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-02-12 11:06 -0800
                Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-12 19:34 +0000
                Re: Right trim string function in C Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-12 23:35 +0000
    Re: Right trim string function in C Barry Schwarz <schwarzb@dqel.com> - 2012-02-11 14:27 -0800
      Re: Right trim string function in C August Karlstrom <fusionfile@gmail.com> - 2012-02-12 14:40 +0100

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