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Re: Are bitfields useful?

From Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups comp.lang.c
Subject Re: Are bitfields useful?
Date 2020-08-23 07:54 -0700
Organization A noiseless patient Spider
Message-ID <86tuwtbega.fsf@linuxsc.com> (permalink)
References <6bcaccac-13ef-45cd-bbc7-0dbd5d452f68o@googlegroups.com> <rg2upa$1n4$1@dont-email.me>

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Andrey Tarasevich <andreytarasevich@hotmail.com> writes:

<snip>

> It is true that language specification does not even guarantee that
> bit-fields are packed somehow, [...]

The ISO C standard doesn't guarantee anything.  It does, however,
require that conforming implementations pack adjacent bit-fields in
a certain way, subject to a small number of implementation-defined
choices.

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Thread

Are bitfields useful? Frederick Gotham <cauldwell.thomas@gmail.com> - 2020-07-30 02:10 -0700
  Re: Are bitfields useful? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-07-30 09:50 +0000
    Re: Are bitfields useful? jacobnavia <jacob@jacob.remcomp.fr> - 2020-07-30 12:18 +0200
      Re: Are bitfields useful? Frederick Gotham <cauldwell.thomas@gmail.com> - 2020-07-30 04:01 -0700
    Re: Are bitfields useful? David Brown <david.brown@hesbynett.no> - 2020-08-03 12:26 +0200
  Re: Are bitfields useful? Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-07-30 03:10 -0700
  Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-30 12:11 +0100
  Re: Are bitfields useful? Richard Damon <Richard@Damon-Family.org> - 2020-07-30 07:54 -0400
    Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-30 13:14 +0100
      Re: Are bitfields useful? Richard Damon <Richard@Damon-Family.org> - 2020-07-30 21:18 -0400
  Re: Are bitfields useful? jadill33@gmail.com - 2020-07-30 09:57 -0700
  Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-30 18:37 -0400
    Re: Are bitfields useful? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2020-07-30 19:15 -0400
      Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-30 20:36 -0400
  Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-30 19:01 -0400
    Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 01:49 +0100
      Re: Are bitfields useful? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-07-30 18:08 -0700
      Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-30 19:28 -0700
        Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 11:15 +0100
          Re: Are bitfields useful? Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-07-31 11:47 +0000
          Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 05:00 -0700
            Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 13:53 +0100
              Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 07:59 -0700
                Re: Are bitfields useful? Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2020-07-31 11:32 -0400
                Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 13:55 -0400
                Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 17:30 +0100
                Re: Are bitfields useful? scott@slp53.sl.home (Scott Lurndal) - 2020-07-31 17:59 +0000
                Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 11:19 -0700
                Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 20:54 +0100
                Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 15:14 -0700
                Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-08-01 00:31 +0100
                Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 16:55 -0700
                Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-08-01 01:16 +0100
                Re: Are bitfields useful? James Kuyper <jameskuyper@alumni.caltech.edu> - 2020-07-31 20:31 -0700
                Re: Are bitfields useful? Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2020-07-31 12:55 -0700
                Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 21:04 +0100
            Re: Are bitfields useful? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-08-23 16:16 -0700
        Re: Are bitfields useful? Richard Damon <Richard@Damon-Family.org> - 2020-07-31 08:23 -0400
          Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-07-31 14:20 +0100
          Re: Are bitfields useful? Philipp Klaus Krause <pkk@spth.de> - 2020-08-04 17:21 +0200
      Re: Are bitfields useful? Kaz Kylheku <793-849-0957@kylheku.com> - 2020-08-25 00:13 +0000
        Re: Are bitfields useful? Bart <bc@freeuk.com> - 2020-08-25 12:42 +0100
        Re: Are bitfields useful? scott@slp53.sl.home (Scott Lurndal) - 2020-08-25 15:27 +0000
          Re: Are bitfields useful? Kaz Kylheku <793-849-0957@kylheku.com> - 2020-08-25 16:05 +0000
  Re: Are bitfields useful? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2020-07-30 17:26 -0700
  Re: Are bitfields useful? Andrey Tarasevich <andreytarasevich@hotmail.com> - 2020-07-31 22:32 -0700
    Re: Are bitfields useful? Richard Damon <Richard@Damon-Family.org> - 2020-08-01 10:20 -0400
    Re: Are bitfields useful? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2020-08-23 07:54 -0700
    Re: Are bitfields useful? Kaz Kylheku <793-849-0957@kylheku.com> - 2020-08-25 00:26 +0000
      Re: Are bitfields useful? Kaz Kylheku <793-849-0957@kylheku.com> - 2020-08-25 23:55 +0000

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