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Re: CLOCKS_PER_SEC

From raltbos@xs4all.nl (Richard Bos)
Newsgroups comp.lang.c
Subject Re: CLOCKS_PER_SEC
Date 2016-10-16 10:02 +0000
Organization Go wash your mouth.
Message-ID <58034f7d.3471765@news.xs4all.nl> (permalink)
References (1 earlier) <lnr37kjl7y.fsf@kst-u.example.com> <lnmvi8jkq4.fsf@kst-u.example.com> <ntp16j$h6u$1@dont-email.me> <ntp1uj$jki$1@dont-email.me> <ln60ovkex0.fsf@kst-u.example.com>

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Keith Thompson <kst-u@mib.org> wrote:

> Is notepad.exe under C:/windows in all versions of Windows?  Or at
> least in all the versions you're concerned with?  Perhaps "NL:"
> would be a better choice.  IIRC that's the Windows equivalent of
> /dev/null.  You could conceivably get a false positive if there
> happens to be a file with that name in the current directory,
> but that's probably not worth worrying about.

It's "NUL:", and you can't create a file with that name, but I'm not
sure you can open it the way Bart is doing, under all circumstances and
all versions of Windows.
In any case, relying on a Windows-specific file means you're limited to
Windows and Linux-like systems. At least it would be wise to add a
configuration file to override this detection should it become necessary
in the future.

Richard

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Thread

CLOCKS_PER_SEC BartC <bc@freeuk.com> - 2016-10-13 14:49 +0100
  Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-13 08:57 -0700
    Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-13 09:07 -0700
      Re: CLOCKS_PER_SEC BartC <bc@freeuk.com> - 2016-10-13 23:18 +0100
        Re: CLOCKS_PER_SEC BartC <bc@freeuk.com> - 2016-10-13 23:30 +0100
          Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-13 16:27 -0700
            Re: CLOCKS_PER_SEC raltbos@xs4all.nl (Richard Bos) - 2016-10-16 10:02 +0000
              Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-16 11:32 -0700
    Re: CLOCKS_PER_SEC Lowell Gilbert <lgusenet@be-well.ilk.org> - 2016-10-13 12:19 -0400
      Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-13 11:29 -0700
        Re: CLOCKS_PER_SEC Lowell Gilbert <lgusenet@be-well.ilk.org> - 2016-10-13 14:39 -0400
          Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-13 12:03 -0700
        Re: CLOCKS_PER_SEC supercat@casperkitty.com - 2016-10-14 07:47 -0700
  Re: CLOCKS_PER_SEC Anton Shepelev <anton.txt@g{oogle}mail.com> - 2016-10-14 16:21 +0300
    Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-14 08:41 -0700
      Re: CLOCKS_PER_SEC Anton Shepelev <anton.txt@g{oogle}mail.com> - 2016-10-14 18:56 +0300
        Re: CLOCKS_PER_SEC Barry Schwarz <schwarzb@dqel.com> - 2016-10-14 09:49 -0700
        Re: CLOCKS_PER_SEC Keith Thompson <kst-u@mib.org> - 2016-10-14 11:14 -0700
          Re: CLOCKS_PER_SEC supercat@casperkitty.com - 2016-10-14 11:32 -0700
      Re: CLOCKS_PER_SEC Jerry Stuckle <jstucklex@attglobal.net> - 2016-10-14 11:56 -0400
        Re: CLOCKS_PER_SEC Anton Shepelev <anton.txt@g{oogle}mail.com> - 2016-10-14 19:53 +0300
          Re: CLOCKS_PER_SEC supercat@casperkitty.com - 2016-10-14 09:57 -0700
          Re: CLOCKS_PER_SEC BartC <bc@freeuk.com> - 2016-10-14 18:18 +0100
        Re: CLOCKS_PER_SEC Malcolm McLean <malcolm.mclean5@btinternet.com> - 2016-10-16 02:55 -0700

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