Re: FAQ list update: Q1.1: choosing types

From	Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups	comp.lang.c
Subject	Re: FAQ list update: Q1.1: choosing types
Date	2023-02-14 12:34 -0800
Organization	None to speak of
Message-ID	<87ttzoq943.fsf@nosuchdomain.example.com> (permalink)
References	<2023Feb13.1015.scs.0001@quinine2.local> <a4d79dc0-db6d-4a94-9a52-fb603d75f1ccn@googlegroups.com>

Show all headers | View raw

John Dill <jadill33@gmail.com> writes:
[...]
> I fall into the size_t camp (instead of 'int') for common looping of unsigned
> sequences.  For size_t values where a -1 is needed for semantics, we use
> a preprocessor sequence to generate a signed version of size_t called
> ssize_t.
[...]

POSIX defines a type ssize_t, a signed type that may or may not be the
signed type corresponding to size_t.  It's defined in <sys/types.h> and
other headers.  If there's any chance of your code being compiled under
POSIX, you might consider checking whether SSIZE_T is defined, and if so
just use the POSIX ssize_t (and be aware that it might not be the signed
type corresponding to size_t).  Or pick a different name for your type.

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
Working, but not speaking, for XCOM Labs
void Void(void) { Void(); } /* The recursive call of the void */

Thread

FAQ list update: Q1.1: choosing types scs@eskimo.com (Steve Summit) - 2023-02-13 15:18 +0000
  Re: FAQ list update: Q1.1: choosing types Anton Shepelev <anton.txt@g{oogle}mail.com> - 2023-02-13 18:27 +0300
  Re: FAQ list update: Q1.1: choosing types scott@slp53.sl.home (Scott Lurndal) - 2023-02-13 16:27 +0000
    Re: FAQ list update: Q1.1: choosing types Oğuz <oguzismailuysal@gmail.com> - 2023-02-14 08:55 +0300
  Re: FAQ list update: Q1.1: choosing types Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2023-02-13 18:07 +0000
  Re: FAQ list update: Q1.1: choosing types Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-02-13 10:48 -0800
  Re: FAQ list update: Q1.1: choosing types Kaz Kylheku <864-117-4973@kylheku.com> - 2023-02-14 03:10 +0000
    Re: FAQ list update: Q1.1: choosing types Blue-Maned_Hawk <bluemanedhawk@gmail.com> - 2023-02-14 17:33 -0500
  Re: FAQ list update: Q1.1: choosing types Öö Tiib <ootiib@hot.ee> - 2023-02-13 23:24 -0800
  Re: FAQ list update: Q1.1: choosing types bart c <bart4858@gmail.com> - 2023-02-14 06:22 -0800
    Re: FAQ list update: Q1.1: choosing types Blue-Maned_Hawk <bluemanedhawk@gmail.com> - 2023-02-14 17:48 -0500
  Re: FAQ list update: Q1.1: choosing types John Dill <jadill33@gmail.com> - 2023-02-14 08:17 -0800
    Re: FAQ list update: Q1.1: choosing types Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-02-14 12:34 -0800
      Re: FAQ list update: Q1.1: choosing types John Dill <jadill33@gmail.com> - 2023-02-15 10:04 -0800
        Re: FAQ list update: Q1.1: choosing types Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-02-15 10:28 -0800
          Re: FAQ list update: Q1.1: choosing types Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-02-15 10:57 -0800
            Re: FAQ list update: Q1.1: choosing types Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-02-15 11:17 -0800
              Re: FAQ list update: Q1.1: choosing types Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-02-15 11:32 -0800
          Re: FAQ list update: Q1.1: choosing types John Dill <jadill33@gmail.com> - 2023-02-15 11:01 -0800
            Re: FAQ list update: Q1.1: choosing types Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2023-02-15 11:28 -0800
              Re: FAQ list update: Q1.1: choosing types John Dill <jadill33@gmail.com> - 2023-02-15 14:00 -0800
  Re: FAQ list update: Q1.1: choosing types Tim Rentsch <tr.17687@z991.linuxsc.com> - 2023-02-15 02:54 -0800
  Re: FAQ list update: Q1.1: choosing types Anton Shepelev <anton.txt@g{oogle}mail.com> - 2023-02-15 14:43 +0300
  Re: FAQ list update: Q1.1: choosing types David Brown <david.brown@hesbynett.no> - 2023-02-15 13:55 +0100
    Re: FAQ list update: Q1.1: choosing types Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2023-02-15 05:31 -0800

csiph-web