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Groups > comp.lang.c > #73665

Re: Two options of a program to find a track in the list

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c
Subject Re: Two options of a program to find a track in the list
Date 2015-10-23 23:21 +0100
Organization A noiseless patient Spider
Message-ID <878u6tns4y.fsf@bsb.me.uk> (permalink)
References (3 earlier) <n0d128$h3h$1@dont-email.me> <lnvb9xuxjj.fsf@kst-u.example.com> <n0e7si$qcj$1@dont-email.me> <87egglnuk2.fsf@bsb.me.uk> <n0e9qj$2sg$1@dont-email.me>

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Bartc <bc@freeuk.com> writes:

> On 23/10/2015 22:28, Ben Bacarisse wrote:
>> Bartc <bc@freeuk.com> writes:
>>
>>> On 23/10/2015 21:42, Keith Thompson wrote:
>>>> Bartc <bc@freeuk.com> writes:
>>>> [...]
>>>>> #define SHOWSIZE(A) printf("SIZE: %s: %d bytes\n",#A,sizeof(A));
>>>> [...]
>>>>
>>>> That %d should be %zu.
>>>
>>> You need to complain to my compiler. Only two C compilers out of 6
>>> said anything. The default one I use didn't.
>>
>> Surely you are the appropriate person to complain if a compiler misses
>> an error you'd like to have diagnosed?  (I'm assuming you don't
>> mean "I don't care" which was my first reading of what you wrote.)
>
> Well, I care in that the code could crash if given the wrong format
> (perhaps not the example above). I'd quite like it to be diagnosed,
> but don't care enough to dig through the various gcc options for a way
> to turn on the warning (and I would then have to modify my IDE to
> insert it).

-Wformat

>>> (Personally I don't even want to be bothered to have to put in "%d".)
>>
>> You might like the way Go does it.
>
> Yes, a quick glance suggests it does what has been been proposed here
> a few times, which is to select a default format based on the type of
> whatever is being printed. You don't need to worry about adding long
> or long long modifiers any more either.
>
> Of course an even nicer way, which is what I normally use, is not to
> have to write any format code at all.

You don't have specify any format string in Go either.

-- 
Ben.

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Thread

Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-22 11:30 -0700
  Re: Two options of a program to find a track in the list Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-22 14:44 -0400
    Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 01:16 -0700
      Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 01:22 -0700
        Re: Two options of a program to find a track in the list Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-23 10:52 +0100
      Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 09:57 +0100
        Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 02:35 -0700
          Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 10:59 +0100
            Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 03:42 -0700
            Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 03:47 -0700
              Re: Two options of a program to find a track in the list Barry Schwarz <schwarzb@dqel.com> - 2015-10-23 11:02 -0700
              Re: Two options of a program to find a track in the list Geoff <geoff@invalid.invalid> - 2015-10-23 11:24 -0700
        Re: Two options of a program to find a track in the list Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-23 10:39 +0100
          Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 11:03 +0100
            Re: Two options of a program to find a track in the list Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-23 11:21 +0100
              Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 11:36 +0100
        Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 02:42 -0700
          Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 11:10 +0100
        Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 03:24 -0700
          Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 11:45 +0100
            Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 09:00 -0700
              Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 17:16 +0100
                Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 09:47 -0700
        Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 13:19 +0100
          Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 15:38 +0100
            Re: Two options of a program to find a track in the list Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-23 10:57 -0400
              Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 15:59 +0100
              Re: Two options of a program to find a track in the list David Brown <david.brown@hesbynett.no> - 2015-10-23 17:25 +0200
                Re: Two options of a program to find a track in the list Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-23 11:55 -0400
                Re: Two options of a program to find a track in the list Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2015-10-23 10:45 -0600
                Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 16:55 +0100
            Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 17:21 +0100
              Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 17:23 +0100
        Re: Two options of a program to find a track in the list Keith Thompson <kst-u@mib.org> - 2015-10-23 12:58 -0700
      Re: Two options of a program to find a track in the list Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-10-23 02:19 -0700
        Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 10:28 +0100
      Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 11:12 +0100
        Re: Two options of a program to find a track in the list Keith Thompson <kst-u@mib.org> - 2015-10-23 13:42 -0700
          Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 22:14 +0100
            Re: Two options of a program to find a track in the list Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-23 22:28 +0100
              Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 22:47 +0100
                Re: Two options of a program to find a track in the list Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-10-23 23:21 +0100
                Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-24 01:37 +0100
            Re: Two options of a program to find a track in the list Keith Thompson <kst-u@mib.org> - 2015-10-23 14:52 -0700
              Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-23 23:06 +0100
                Re: Two options of a program to find a track in the list Keith Thompson <kst-u@mib.org> - 2015-10-23 16:39 -0700
        Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-24 21:26 +0100
          Re: Two options of a program to find a track in the list Bartc <bc@freeuk.com> - 2015-10-24 22:28 +0100
            Re: Two options of a program to find a track in the list Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-10-24 15:26 -0700
              Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-24 23:44 +0100
      Re: Two options of a program to find a track in the list Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-23 09:03 -0400
        Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 09:10 -0700
      Re: Two options of a program to find a track in the list Geoff <geoff@invalid.invalid> - 2015-10-23 11:21 -0700
  Re: Two options of a program to find a track in the list Barry Schwarz <schwarzb@dqel.com> - 2015-10-22 14:50 -0700
    Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 01:25 -0700
      Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 10:00 +0100
    Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 01:36 -0700
      Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 10:04 +0100
  Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 03:58 -0700
    Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 12:07 +0100
      Re: Two options of a program to find a track in the list Alla _ <modelling.data@gmail.com> - 2015-10-23 09:28 -0700
        Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-23 18:04 +0100
          Re: Two options of a program to find a track in the list Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-10-23 13:31 -0400
            Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-24 21:21 +0100
      Re: Two options of a program to find a track in the list Keith Thompson <kst-u@mib.org> - 2015-10-23 13:45 -0700
        Re: Two options of a program to find a track in the list Ian Collins <ian-news@hotmail.com> - 2015-10-24 10:32 +1300
          Re: Two options of a program to find a track in the list Keith Thompson <kst-u@mib.org> - 2015-10-23 15:33 -0700
        Re: Two options of a program to find a track in the list Richard Heathfield <rjh@cpax.org.uk> - 2015-10-24 21:24 +0100

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