Re: size_t, when to use it? (learning)

From	Ian Collins <ian-news@hotmail.com>
Newsgroups	comp.lang.c
Subject	Re: size_t, when to use it? (learning)
Date	2014-04-11 20:09 +1200
Message-ID	<bqpmahFb55cU2@mid.individual.net> (permalink)
References	<8fcc0c7e-0add-4607-ab04-2bbe5e0a7bfe@googlegroups.com>

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G G wrote:
> typedef unsigned int size_t
>
> ..............
>
> size_t
>
> when to declare something size_t? when the variable is associated with memory usage?
>
> at any other time should the variable be declared an unsigned int?

The biggest gotcha I've been bitten by with size_t, being a typedef,  is 
when using it for counters.  No problem in a 64 bit build, but strange 
overflow errors in a 32 bit build.

-- 
Ian Collins

Thread

size_t, when to use it? (learning) G G <gdotone@gmail.com> - 2014-04-10 08:11 -0700
  Re: size_t, when to use it? (learning) James Kuyper <jameskuyper@verizon.net> - 2014-04-10 11:42 -0400
    Re: size_t, when to use it? (learning) G G <gdotone@gmail.com> - 2014-04-10 08:53 -0700
  Re: size_t, when to use it? (learning) Kaz Kylheku <kaz@kylheku.com> - 2014-04-10 16:20 +0000
  Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-10 11:03 -0700
    Re: size_t, when to use it? (learning) Kaz Kylheku <kaz@kylheku.com> - 2014-04-10 18:48 +0000
      Re: size_t, when to use it? (learning) Tim Prince <tprince@computer.org> - 2014-04-10 19:10 -0400
    Re: size_t, when to use it? (learning) glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-10 20:03 +0000
      Re: size_t, when to use it? (learning) James Kuyper <jameskuyper@verizon.net> - 2014-04-10 16:15 -0400
        Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-10 13:47 -0700
          Re: size_t, when to use it? (learning) Keith Thompson <kst-u@mib.org> - 2014-04-10 16:27 -0700
          Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-11 01:08 -0700
            Re: size_t, when to use it? (learning) Ian Collins <ian-news@hotmail.com> - 2014-04-11 20:11 +1200
              Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-11 05:06 -0700
                Re: size_t, when to use it? (learning) glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-11 17:40 +0000
            Re: size_t, when to use it? (learning) Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-14 18:44 -0700
          Re: size_t, when to use it? (learning) Ike Naar <ike@iceland.freeshell.org> - 2014-04-11 17:44 +0000
            Re: size_t, when to use it? (learning) Keith Thompson <kst-u@mib.org> - 2014-04-11 12:33 -0700
              Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-11 13:23 -0700
                Re: size_t, when to use it? (learning) Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-14 18:48 -0700
                Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-15 00:49 -0700
                Re: size_t, when to use it? (learning) gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-15 08:16 +0000
                Re: size_t, when to use it? (learning) <william@wilbur.25thandClement.com> - 2014-04-18 16:57 -0700
                Re: size_t, when to use it? (learning) glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2014-04-19 00:25 +0000
                Re: size_t, when to use it? (learning) Kaz Kylheku <kaz@kylheku.com> - 2014-04-19 01:03 +0000
                Re: size_t, when to use it? (learning) Ian Collins <ian-news@hotmail.com> - 2014-04-19 13:04 +1200
                Re: size_t, when to use it? (learning) Keith Thompson <kst-u@mib.org> - 2014-04-18 19:23 -0700
                Re: size_t, when to use it? (learning) <william@wilbur.25thandClement.com> - 2014-04-18 19:32 -0700
                Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-19 03:38 -0700
                Re: size_t, when to use it? (learning) Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-18 09:13 -0700
                Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-18 14:00 -0700
                Re: size_t, when to use it? (learning) Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-20 16:24 -0700
                Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-22 03:36 -0700
              Re: size_t, when to use it? (learning) Ike Naar <ike@iceland.freeshell.org> - 2014-04-12 06:53 +0000
            Re: size_t, when to use it? (learning) Martin Shobe <martin.shobe@yahoo.com> - 2014-04-11 14:42 -0500
              Re: size_t, when to use it? (learning) Ike Naar <ike@iceland.freeshell.org> - 2014-04-12 06:55 +0000
    Re: size_t, when to use it? (learning) G G <gdotone@gmail.com> - 2014-04-10 13:42 -0700
      Re: size_t, when to use it? (learning) James Kuyper <jameskuyper@verizon.net> - 2014-04-10 17:07 -0400
        Re: size_t, when to use it? (learning) G G <gdotone@gmail.com> - 2014-04-10 16:11 -0700
      Re: size_t, when to use it? (learning) Malcolm McLean <malcolm.mclean5@btinternet.com> - 2014-04-10 15:08 -0700
        Re: size_t, when to use it? (learning) Keith Thompson <kst-u@mib.org> - 2014-04-10 17:21 -0700
          Re: size_t, when to use it? (learning) gazelle@shell.xmission.com (Kenny McCormack) - 2014-04-11 01:04 +0000
        Re: size_t, when to use it? (learning) Ian Collins <ian-news@hotmail.com> - 2014-04-11 20:06 +1200
    Re: size_t, when to use it? (learning) Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-14 18:33 -0700
    Re: size_t, when to use it? (learning) Rosario193 <Rosario@invalid.invalid> - 2014-04-15 09:37 +0200
  Re: size_t, when to use it? (learning) Ian Collins <ian-news@hotmail.com> - 2014-04-11 20:09 +1200
  Re: size_t, when to use it? (learning) Tim Rentsch <txr@alumni.caltech.edu> - 2014-04-14 18:21 -0700

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