Re: Am I being too C++ like?

From	Keith Thompson <kst-u@mib.org>
Newsgroups	comp.lang.c
Subject	Re: Am I being too C++ like?
Date	2012-01-31 22:24 -0800
Organization	None to speak of
Message-ID	<lnpqdzul3y.fsf@nuthaus.mib.org> (permalink)
References	(1 earlier) <22820634.607.1327159745654.JavaMail.geo-discussion-forums@yqhl41> <slrnjht82h.1ls.grahn+nntp@frailea.sa.invalid> <kfny5sn1p0y.fsf@x-alumni2.alumni.caltech.edu> <lnzkd3wirb.fsf@nuthaus.mib.org> <jgagh7$ebi$1@dont-email.me>

Show all headers | View raw

Shao Miller <sha0.miller@gmail.com> writes:
> On 1/31/2012 18:32, Keith Thompson wrote:
>> A typedef for a struct type creates a new name (such as "foo") for a
>> type that already has a perfectly valid name (such as "struct foo").
>> The "struct foo" name still has to be used inside the struct
>> definition if the type declares a pointer to the same type (unless
>> you use a forward declaration).  Using distinct identifiers for the
>> tag and the typedef name, which is very common, can lead to
>> confusion.
[I've corrected the wording in the above paragraph]
>> Using a typedef for a struct type has few benefits.  The drawbacks are
>> not terribly serious if you do it right, but in my opinion the benefits
>> are minor enough that it's not worth doing.
>>
>> Of course if you think that having a one-word name for a type is a
>> significant benefit, then you're going to disagree with this argument.
>>
>
> If I have 'struct cat' and want an instance, or even a pointer to such, 
> I might like to name the instance (or pointer) 'cat'.
>
>    struct cat * cat;

That's perfectly legal, since the two "cat"s are in different
namespaces.

But it's a bad idea; surely if the type is "cat" or "struct cat", the
name of a single instance of the type should have a more specific name.
If nothing else, you could call it "the_cat".

> But that's no good, so maybe I'd do:
>
>    struct s_cat * cat;
>
> That seems better, but if I have the 's_' there to indicate a 'struct' 
> type, I might as well 'typedef' it:
>
>    typedef struct s_cat s_cat; /* or maybe */
>    typedef struct s_cat S_CAT;
>    S_CAT * cat;

That all seems unnecessary.

-- 
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

Am I being too C++ like? nroberts <roberts.noah@gmail.com> - 2012-01-18 13:53 -0800
  Re: Am I being too C++ like? Shao Miller <sha0.miller@gmail.com> - 2012-01-18 18:50 -0500
    Re: Am I being too C++ like? Nobody <nobody@nowhere.com> - 2012-01-19 04:13 +0000
    Re: Am I being too C++ like? ImpalerCore <jadill33@gmail.com> - 2012-01-19 09:09 -0800
  Re: Am I being too C++ like? Philip Lantz <prl@canterey.us> - 2012-01-18 21:42 -0800
  Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-19 12:30 +0000
    Re: Am I being too C++ like? "BartC" <bc@freeuk.com> - 2012-01-19 15:17 +0000
      Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-19 18:44 -0800
        Re: Am I being too C++ like? "BartC" <bc@freeuk.com> - 2012-01-20 13:44 +0000
          Re: Am I being too C++ like? Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-01-20 09:08 -0500
            Re: Am I being too C++ like? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-20 07:58 -0800
            Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-20 11:25 -0800
            Re: Am I being too C++ like? Kleuske <kleuske@nowhere.net> - 2012-01-20 20:17 +0000
              Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-01-21 09:23 +1300
                Re: Am I being too C++ like? Kleuske <kleuske@nowhere.net> - 2012-01-20 22:00 +0000
                Re: Am I being too C++ like? Stephen Sprunk <stephen@sprunk.org> - 2012-01-20 16:28 -0600
                Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-01-21 11:43 +1300
                Re: Am I being too C++ like? Eric Sosman <esosman@ieee-dot-org.invalid> - 2012-01-20 18:02 -0500
                Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-20 16:12 -0800
                Re: Am I being too C++ like? Kaz Kylheku <kaz@kylheku.com> - 2012-01-21 00:13 +0000
                Re: Am I being too C++ like? William Ahern <william@wilbur.25thandClement.com> - 2012-01-20 17:37 -0800
                Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-20 22:25 -0800
                Re: Am I being too C++ like? gazelle@shell.xmission.com (Kenny McCormack) - 2012-01-21 16:07 +0000
                Re: Am I being too C++ like? Bill Reid <hormelfree@gmail.com> - 2012-01-23 17:26 -0800
                Re: Am I being too C++ like? Kaz Kylheku <kaz@kylheku.com> - 2012-01-21 18:00 +0000
                Re: Am I being too C++ like? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-21 21:25 +0000
                Re: Am I being too C++ like? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2012-02-11 23:46 +0200
                Re: Am I being too C++ like? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-02-11 22:56 +0000
                Re: Am I being too C++ like? Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2012-02-22 02:34 +0200
                Re: Am I being too C++ like? Jens Gustedt <jens.gustedt@loria.fr> - 2012-01-21 22:42 +0100
                Re: Am I being too C++ like? James Kuyper <jameskuyper@verizon.net> - 2012-01-21 21:22 -0500
                Re: Am I being too C++ like? Jens Gustedt <jens.gustedt@loria.fr> - 2012-01-22 14:56 +0100
                Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-01-22 10:29 +1300
                Re: Am I being too C++ like? Kleuske <kleuske@nowhere.net> - 2012-01-21 11:36 +0000
              Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-22 12:13 +0000
                Re: Am I being too C++ like? Kleuske <kleuske@nowhere.net> - 2012-01-22 12:39 +0000
                Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-23 23:45 +0000
                Re: Am I being too C++ like? Kleuske <kleuske@nowhere.net> - 2012-01-24 16:54 +0000
            Re: Am I being too C++ like? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-22 04:43 -0800
              Re: Am I being too C++ like? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-22 15:29 +0000
          Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-21 11:58 +0000
          Re: Am I being too C++ like? Seebs <usenet-nospam@seebs.net> - 2012-01-21 21:32 +0000
  Re: Am I being too C++ like? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-19 04:23 -0800
    Re: Am I being too C++ like? Rui Maciel <rui.maciel@gmail.com> - 2012-01-19 14:39 +0000
    Re: Am I being too C++ like? Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-01-22 05:14 -0800
      Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-23 23:42 +0000
  Re: Am I being too C++ like? Rui Maciel <rui.maciel@gmail.com> - 2012-01-19 14:51 +0000
  Re: Am I being too C++ like? jgk@panix.com (Joe keane) - 2012-01-19 23:04 +0000
  Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-01-20 16:03 +1300
    Re: Am I being too C++ like? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-20 06:01 -0800
      Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-01-21 08:03 +1300
        Re: Am I being too C++ like? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-01-21 12:31 -0800
          Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-01-22 10:18 +1300
  Re: Am I being too C++ like? cri@tiac.net (Richard Harter) - 2012-01-20 05:22 +0000
  Re: Am I being too C++ like? Marco <prenom_nomus@yahoo.com> - 2012-01-21 07:29 -0800
    Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-01-24 12:13 +0000
      Re: Am I being too C++ like? Tim Rentsch <txr@alumni.caltech.edu> - 2012-01-31 14:32 -0800
        Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-31 15:32 -0800
          Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-31 19:46 -0800
          Re: Am I being too C++ like? Shao Miller <sha0.miller@gmail.com> - 2012-01-31 23:54 -0500
            Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-01-31 22:24 -0800
          Re: Am I being too C++ like? Tim Rentsch <txr@alumni.caltech.edu> - 2012-01-31 23:28 -0800
            Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-02-01 11:23 -0800
              Re: Am I being too C++ like? Stephen Sprunk <stephen@sprunk.org> - 2012-02-01 15:01 -0600
                Re: Am I being too C++ like? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-02-01 14:09 -0800
                Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-02-01 14:44 -0800
                Re: Am I being too C++ like? Shao Miller <sha0.miller@gmail.com> - 2012-02-01 17:36 -0500
              Re: Am I being too C++ like? Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-08 12:45 -0800
                Re: Am I being too C++ like? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-03-08 21:41 +0000
                Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-03-09 17:42 +1300
                Re: Am I being too C++ like? Kaz Kylheku <kaz@kylheku.com> - 2012-03-09 08:12 +0000
                Re: Am I being too C++ like? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-03-09 12:01 +0000
                Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-03-08 14:19 -0800
                Re: Am I being too C++ like? Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-09 13:32 -0800
                Re: Am I being too C++ like? nick_keighley_nospam@hotmail.com - 2012-03-09 04:18 -0800
                Re: Am I being too C++ like? Ike Naar <ike@iceland.freeshell.org> - 2012-03-09 13:04 +0000
                Re: Am I being too C++ like? Kaz Kylheku <kaz@kylheku.com> - 2012-03-10 01:02 +0000
                Re: Am I being too C++ like? Ike Naar <ike@iceland.freeshell.org> - 2012-03-10 07:59 +0000
                Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-03-10 21:17 +1300
                Re: Am I being too C++ like? nick_keighley_nospam@hotmail.com - 2012-03-10 02:39 -0800
                Re: Am I being too C++ like? Tim Rentsch <txr@alumni.caltech.edu> - 2012-03-09 13:51 -0800
                Re: Am I being too C++ like? nick_keighley_nospam@hotmail.com - 2012-03-10 02:54 -0800
            Re: Am I being too C++ like? Ian Collins <ian-news@hotmail.com> - 2012-03-10 12:27 +1300
          Re: Am I being too C++ like? Rui Maciel <rui.maciel@gmail.com> - 2012-02-01 07:41 +0000
            Re: Am I being too C++ like? Keith Thompson <kst-u@mib.org> - 2012-02-01 11:24 -0800
        Re: Am I being too C++ like? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-02-01 21:55 +0000

csiph-web