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Groups > comp.lang.c > #75800

Re: memset extensions

From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: memset extensions
Date 2015-11-11 15:00 -0800
Organization None to speak of
Message-ID <lnoaf0qgzb.fsf@kst-u.example.com> (permalink)
References (4 earlier) <n207p4$o0l$2@dont-email.me> <5643AC9B.2030305@verizon.net> <n20aav$3rt$1@dont-email.me> <lnsi4cqlmo.fsf@kst-u.example.com> <n20cpr$efc$1@dont-email.me>

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jacobnavia <jacob@jacob.remcomp.fr> writes:
> Le 11/11/2015 22:19, Keith Thompson a écrit :
>> That's only a problem if the argument is a character constant -- and if
>> it is, then you're probably going to use memset() anyway.
>
> What about shorts?
>
> 25987
>
> Is that a short or an int?

That's an int.  The rules for determining the type of an integer
constant are in N1570 6.4.4.1; there are no integer constants of type
short.  I'm guessing the question was rhetorical; you write a C
compiler, so I presume you already know this.

> How can I (without explicit cast) make it a short?

Why do you say "without explicit cast"?  A cast is what I suggested
upthread: `(short)25987`.  If you don't like that for some reason:

    const short n = 25987;

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"

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Thread

memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 11:05 +0100
  Re: memset extensions Lőrinczy Zsigmond <zsiga@nospam.for.me> - 2015-11-11 11:08 +0100
    Re: memset extensions "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-11 04:56 -0800
  Re: memset extensions Philipp Klaus Krause <pkk@spth.de> - 2015-11-11 13:39 +0100
    Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 17:34 +0100
      Re: memset extensions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-11 17:22 +0000
        Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 21:19 +0100
          Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 12:51 -0800
          Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 16:01 -0500
            Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 22:03 +0100
              Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 13:19 -0800
                Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 22:45 +0100
                Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 16:51 -0500
                Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 23:01 +0100
                Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 17:29 -0500
                Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 23:36 +0100
                Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 15:00 -0800
              Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 16:48 -0500
          Re: memset extensions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-11 22:15 +0000
  Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 08:05 -0500
  Re: memset extensions Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-11 08:31 -0500
    Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 17:34 +0100
  Re: memset extensions Les Cargill <lcargill99@comcast.com> - 2015-11-11 08:30 -0600
    Re: memset extensions Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-11 09:48 -0500
    Re: memset extensions gwowen <gwowen@gmail.com> - 2015-11-11 07:55 -0800
    Re: memset extensions James Kuyper <jameskuyper@verizon.net> - 2015-11-11 11:24 -0500
    Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 17:32 +0100
      Re: memset extensions Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-11 11:44 -0500
      Re: memset extensions raltbos@xs4all.nl (Richard Bos) - 2015-11-17 22:53 +0000
        Re: memset extensions supercat@casperkitty.com - 2015-11-17 15:37 -0800
          Re: memset extensions raltbos@xs4all.nl (Richard Bos) - 2015-11-20 11:27 +0000
            Re: memset extensions supercat@casperkitty.com - 2015-11-20 08:45 -0800
  Re: memset extensions supercat@casperkitty.com - 2015-11-11 08:25 -0800
  Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 09:09 -0800
    Re: memset extensions supercat@casperkitty.com - 2015-11-11 09:18 -0800
      Re: memset extensions Keith Thompson <kst-u@mib.org> - 2015-11-11 10:57 -0800
    Re: memset extensions jacobnavia <jacob@jacob.remcomp.fr> - 2015-11-11 21:17 +0100

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