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Re: error_t proposal

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From Keith Thompson <kst-u@mib.org>
Newsgroups comp.lang.c
Subject Re: error_t proposal
Date Fri, 06 Sep 2019 14:25:17 -0700
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Thiago Adams <thiago.adams@gmail.com> writes:
> On Friday, September 6, 2019 at 5:20:33 PM UTC-3, Keith Thompson wrote:
[...]
>> Right.  There are three ways for an implementation to conform to C11
>> with respect to Annex K:
>> 
[details snipped]
>
> Visual C++ is not defining __STDC_LIB_EXT1__.
> In case I need to create my own header I will have to check by
> compiler.

If you mean Visual C++ used as a C++ compiler, I wouldn't expect it to;
C++ hasn't copied that feature from C.  If you mean Visual C++ used as a
C compiler, I don't believe it supports C11 (or even all of C99).

If you want to define your own error type, I suggest *not* calling it
"errno_t" as C11 Annex K does.  Support for Annex K is not widespread,
and it's been proposed for removal in the next edition.

<http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1969.htm#adi>

I like the idea of a consistent error reporting convention for library
functions, but existing and widely used libraries are *not* consistent,
and that's not going to change any time soon.  What is the intended
scope of your proposal?

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */

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Thread

error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-04 14:14 -0700
  Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-04 15:20 -0700
    Re: error_t proposal Mateusz Viste <mateusz@wont.tell> - 2019-09-05 08:02 +0000
      Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 04:04 -0700
        Re: error_t proposal Bruce S <bruces42@hotmail.com> - 2019-09-05 08:18 -0600
          Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-05 14:31 -0700
            Re: error_t proposal James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-09-05 17:49 -0400
              Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-05 15:14 -0700
            Re: error_t proposal Bruce S <bruces42@hotmail.com> - 2019-09-06 14:03 -0600
  Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-05 09:30 +1000
    Re: error_t proposal Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-09-05 02:38 -0700
    Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 04:57 -0700
      Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 05:16 -0700
        Re: error_t proposal Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-09-05 05:35 -0700
          Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 06:08 -0700
            Re: error_t proposal Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-09-05 06:16 -0700
              Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 06:37 -0700
                Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 07:04 -0700
                Re: error_t proposal Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-09-05 20:51 +0100
                Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 13:52 -0700
                Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-05 14:56 -0700
              Re: error_t proposal William Ahern <william@25thandClement.com> - 2019-09-05 13:18 -0700
              Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-06 07:25 +1000
      Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-06 07:35 +1000
        Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-06 04:22 -0700
    Re: error_t proposal scott@slp53.sl.home (Scott Lurndal) - 2019-09-05 13:59 +0000
      Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-06 07:10 +1000
  Re: error_t proposal Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-09-05 10:01 +0000
    Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 04:36 -0700
      Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-05 14:43 -0700
        Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-06 05:01 -0700
          Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-06 11:18 -0700
            Re: error_t proposal scott@slp53.sl.home (Scott Lurndal) - 2019-09-06 19:34 +0000
            Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-06 12:37 -0700
              Re: error_t proposal Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-09-06 20:54 +0100
                Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-06 13:20 -0700
                Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-06 13:43 -0700
                Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-06 14:25 -0700
                Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-06 15:14 -0700
                Re: error_t proposal Keith Thompson <kst-u@mib.org> - 2019-09-06 15:49 -0700
                Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-06 18:44 -0700
                Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-07 12:35 +1000
                Re: error_t proposal Ike Naar <ike@sdf.lonestar.org> - 2019-09-08 20:15 +0000
                Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-09 09:30 +1000
                Re: error_t proposal Ike Naar <ike@iceland.freeshell.org> - 2019-09-09 07:35 +0000
                Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-09 19:44 +1000
                Re: error_t proposal scott@slp53.sl.home (Scott Lurndal) - 2019-09-09 13:58 +0000
                Re: error_t proposal Jorgen Grahn <grahn+nntp@snipabacken.se> - 2019-09-10 14:24 +0000
                Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-11 09:22 +1000
                Re: error_t proposal Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2019-09-10 16:48 -0700
                Re: error_t proposal Clifford Heath <no.spam@please.net> - 2019-09-11 10:45 +1000
                Re: error_t proposal Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-09-06 21:47 +0100
  Re: error_t proposal jadill33@gmail.com - 2019-09-05 07:04 -0700
    Re: error_t proposal Thiago Adams <thiago.adams@gmail.com> - 2019-09-05 07:36 -0700
      Re: error_t proposal jadill33@gmail.com - 2019-09-05 08:43 -0700

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