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Groups > comp.lang.c > #129767

Re: gcc_centric C code

From Philipp Klaus Krause <pkk@spth.de>
Newsgroups comp.lang.c
Subject Re: gcc_centric C code
Date 2018-04-26 08:03 +0200
Organization solani.org
Message-ID <pbrq2s$r4b$1@solani.org> (permalink)
References (3 earlier) <29063935-b373-4307-be80-78a64134d0e7@googlegroups.com> <hve1ed93b184siupcu3cq1sgp8b37tg3fb@4ax.com> <lnpo2ngojj.fsf@kst-u.example.com> <pbqhal$2lf$1@solani.org> <il82ed1sur8h8ahjl519df3q74ugj7mnhf@4ax.com>

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Am 26.04.2018 um 02:53 schrieb Robert Wessel:
> On Wed, 25 Apr 2018 20:27:32 +0200, Philipp Klaus Krause <pkk@spth.de>
> wrote:
> 
>> Am 25.04.2018 um 19:54 schrieb Keith Thompson:
>>>
>>> A very minor point: values yielded by __func__ can be compared for
>>> pointer equality.  (I've never seen code that relies on this.)
>>>
>>
>> The interaction of that with inline is problematic.
> 
> 
> Why?  Why should it be any different than any inlined function that
> contains a static data item?  All inlined copies, as well as a
> separately built copy (assuming it exists) would use the same (static)
> item.
> 

The one problematic use case is comparing pointers to static objects (as
can be seen from the reply by Keith).
Note that static objects in inline functions need to be const (6.7.4 in
N1570 / C11 / C17), so there will be no problems with the value of such
objects.

Philipp

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Thread

gcc_centric C code bartc <bc@freeuk.com> - 2018-04-25 16:21 +0100
  gcc_centric C code Chad <cdalten@gmail.com> - 2018-04-25 08:34 -0700
  Re: gcc_centric C code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-04-25 16:41 +0100
    Re: gcc_centric C code Spiros Bousbouras <spibou@gmail.com> - 2018-04-25 16:19 +0000
      Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-25 18:02 +0100
        Re: gcc_centric C code Nick Bowler <nbowler@draconx.ca> - 2018-04-25 17:15 +0000
          Re: gcc_centric C code Robert Wessel <robertwessel2@yahoo.com> - 2018-04-25 12:33 -0500
          Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-25 20:51 +0100
            Re: gcc_centric C code supercat@casperkitty.com - 2018-04-25 13:01 -0700
              Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-25 21:21 +0100
            Re: gcc_centric C code jameskuyper@verizon.net - 2018-04-25 13:45 -0700
        Re: gcc_centric C code Spiros Bousbouras <spibou@gmail.com> - 2018-04-25 17:20 +0000
      Re: gcc_centric C code supercat@casperkitty.com - 2018-04-25 10:30 -0700
        Re: gcc_centric C code Robert Wessel <robertwessel2@yahoo.com> - 2018-04-25 12:35 -0500
          Re: gcc_centric C code Keith Thompson <kst-u@mib.org> - 2018-04-25 10:54 -0700
            Re: gcc_centric C code Philipp Klaus Krause <pkk@spth.de> - 2018-04-25 20:27 +0200
              Re: gcc_centric C code Keith Thompson <kst-u@mib.org> - 2018-04-25 12:38 -0700
              Re: gcc_centric C code Robert Wessel <robertwessel2@yahoo.com> - 2018-04-25 19:53 -0500
                Re: gcc_centric C code Keith Thompson <kst-u@mib.org> - 2018-04-25 18:13 -0700
                Re: gcc_centric C code Nick Bowler <nbowler@draconx.ca> - 2018-04-26 15:16 +0000
                Re: gcc_centric C code Tim Rentsch <txr@alumni.caltech.edu> - 2018-04-27 08:17 -0700
                Re: gcc_centric C code Philipp Klaus Krause <pkk@spth.de> - 2018-04-26 08:03 +0200
                Re: gcc_centric C code Nick Bowler <nbowler@draconx.ca> - 2018-04-26 14:30 +0000
                Re: gcc_centric C code jameskuyper@verizon.net - 2018-04-26 08:26 -0700
                Re: gcc_centric C code Philipp Klaus Krause <pkk@spth.de> - 2018-04-26 19:04 +0200
                Re: gcc_centric C code Ian Collins <ian-news@hotmail.com> - 2018-04-27 07:48 +1200
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 21:08 +0100
                Re: gcc_centric C code Ian Collins <ian-news@hotmail.com> - 2018-04-27 08:18 +1200
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 21:44 +0100
                Re: gcc_centric C code Ian Collins <ian-news@hotmail.com> - 2018-04-27 09:01 +1200
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 23:16 +0100
                Re: gcc_centric C code Ian Collins <ian-news@hotmail.com> - 2018-04-27 10:27 +1200
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 23:48 +0100
                Re: gcc_centric C code Ian Collins <ian-news@hotmail.com> - 2018-04-27 20:41 +1200
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-27 11:51 +0100
                Re: gcc_centric C code Ian Collins <ian-news@hotmail.com> - 2018-04-28 07:32 +1200
                Re: gcc_centric C code Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-28 04:34 -0700
                Re: gcc_centric C code Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-26 23:05 -0700
                Re: gcc_centric C code jacobnavia <jacob@jacob.remcomp.fr> - 2018-04-27 00:52 +0200
                Re: gcc_centric C code supercat@casperkitty.com - 2018-04-26 16:23 -0700
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-28 11:24 +0100
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-28 01:42 +0100
                Re: gcc_centric C code Dan Purgert <dan@djph.net> - 2018-04-26 21:40 +0000
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 23:34 +0100
                Re: gcc_centric C code "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-04-26 14:13 -0700
                Re: gcc_centric C code "Chris M. Thomasson" <invalid_chris_thomasson@invalid.invalid> - 2018-04-26 14:16 -0700
            Re: gcc_centric C code Tim Rentsch <txr@alumni.caltech.edu> - 2018-04-27 08:08 -0700
              Re: gcc_centric C code Keith Thompson <kst-u@mib.org> - 2018-04-27 09:11 -0700
                Re: gcc_centric C code supercat@casperkitty.com - 2018-04-27 09:26 -0700
                Re: gcc_centric C code Tim Rentsch <txr@alumni.caltech.edu> - 2018-04-27 09:49 -0700
          Re: gcc_centric C code supercat@casperkitty.com - 2018-04-25 12:31 -0700
            Re: gcc_centric C code Nick Bowler <nbowler@draconx.ca> - 2018-04-25 20:13 +0000
              Re: gcc_centric C code supercat@casperkitty.com - 2018-04-25 13:50 -0700
        Re: gcc_centric C code Nick Bowler <nbowler@draconx.ca> - 2018-04-25 18:02 +0000
      Re: gcc_centric C code Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-25 22:39 -0700
    Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-25 18:36 +0100
      Re: gcc_centric C code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-04-25 23:15 +0100
        Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 02:02 +0100
          Re: gcc_centric C code Keith Thompson <kst-u@mib.org> - 2018-04-25 18:28 -0700
          Re: gcc_centric C code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-04-26 11:45 +0100
            Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 14:53 +0100
              Re: gcc_centric C code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-04-26 23:38 +0100
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-27 00:31 +0100
                Re: gcc_centric C code Ben Bacarisse <ben.usenet@bsb.me.uk> - 2018-04-27 00:47 +0100
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-27 02:28 +0100
                Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-04-27 03:44 -0700
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-05-03 13:57 +0100
                Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-05-03 11:02 -0700
                Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-05-03 11:07 -0700
                Re: gcc_centric C code Steven Petruzzellis <frelwizzen@gmail.com> - 2018-05-03 11:13 -0700
                Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-05-03 19:50 +0100
                Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-05-03 13:37 -0700
                Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-05-03 13:44 -0700
                Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-05-11 10:25 -0700
            Re: gcc_centric C code Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-26 07:01 -0700
          Re: Clearly everyone else likes to do things the hard way Noob <root@127.0.0.1> - 2018-04-26 14:51 +0200
            Re: Clearly everyone else likes to do things the hard way mark.bluemel@gmail.com - 2018-04-26 07:09 -0700
              Re: Clearly everyone else likes to do things the hard way gazelle@shell.xmission.com (Kenny McCormack) - 2018-04-26 17:05 +0000
                Re: Clearly everyone else likes to do things the hard way bartc <bc@freeuk.com> - 2018-04-26 18:38 +0100
                Re: Clearly everyone else likes to do things the hard way 1alvinalbrecht1@gmail.com - 2018-04-26 11:34 -0700
                Re: Clearly everyone else likes to do things the hard way bartc <bc@freeuk.com> - 2018-04-26 21:36 +0100
                Re: Clearly everyone else likes to do things the hard way C W Rose <cwr@seckford.org> - 2018-04-27 19:23 +0100
                Re: Clearly everyone else likes to do things the hard way bartc <bc@freeuk.com> - 2018-04-28 14:34 +0100
                Re: Clearly everyone else likes to do things the hard way Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-28 10:32 -0700
                Re: Clearly everyone else likes to do things the hard way supercat@casperkitty.com - 2018-04-30 10:16 -0700
                Re: Clearly everyone else likes to do things the hard way bartc <bc@freeuk.com> - 2018-04-30 19:41 +0100
                Re: Clearly everyone else likes to do things the hard way supercat@casperkitty.com - 2018-04-30 12:11 -0700
                Re: Clearly everyone else likes to do things the hard way scott@slp53.sl.home (Scott Lurndal) - 2018-04-30 19:14 +0000
                Re: Clearly everyone else likes to do things the hard way scott@slp53.sl.home (Scott Lurndal) - 2018-04-30 19:12 +0000
                Re: Clearly everyone else likes to do things the hard way bartc <bc@freeuk.com> - 2018-04-30 21:19 +0100
                Re: Clearly everyone else likes to do things the hard way Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-30 19:23 -0700
                Re: Clearly everyone else likes to do things the hard way Philipp Klaus Krause <pkk@spth.de> - 2018-04-26 19:45 +0200
      Re: gcc_centric C code luser droog <luser.droog@gmail.com> - 2018-04-25 21:56 -0700
        Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 11:06 +0100
          Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 11:27 +0100
      Re: gcc_centric C code antispam@math.uni.wroc.pl - 2018-04-26 17:00 +0000
  Re: gcc_centric C code Thiago Adams <thiago.adams@gmail.com> - 2018-04-25 09:26 -0700
  Re: gcc_centric C code Jorgen Grahn <grahn+nntp@snipabacken.se> - 2018-04-26 12:39 +0000
    Re: gcc_centric C code gazelle@shell.xmission.com (Kenny McCormack) - 2018-04-26 13:09 +0000
  Re: gcc_centric C code Wouter Verhelst <w@uter.be> - 2018-04-26 13:26 +0200
    Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-26 18:03 +0100
    Re: gcc_centric C code Steven Petruzzellis <frelwizzen@gmail.com> - 2018-04-26 14:32 -0700
  Re: gcc_centric C code Tim Rentsch <txr@alumni.caltech.edu> - 2018-04-27 09:41 -0700
    Re: gcc_centric C code bartc <bc@freeuk.com> - 2018-04-27 19:37 +0100

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