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Re: Writing own source disk

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From Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups comp.lang.c
Subject Re: Writing own source disk
Date Mon, 03 Jun 2024 17:35:25 -0700
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Keith Thompson <Keith.S.Thompson+u@gmail.com> writes:
> bart <bc@freeuk.com> writes:
> [...]
>> I assume you can use __FILE__ with #embed? (I can do that with my
>> version of it).
>
> Yes, but not reliably.
>
> __FILE__ expands to "The presumed name of the current source file (a
> character string literal)".  That's rather vague.
>
> With gcc and clang, it expands to the file name argument given to the
> compiler, or to the argument of the #include directive.  The running
> program may or may not be able to access the source file using that
> name.  The source file might not even exist when the program runs.

I was thinking of using __FILE__ to access the source file at run time.
#embed is of course handled at compile time.  It's very likely, but
still not quite guaranteed, that `#embed __FILE__` will be able to
access the source file.

-- 
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */

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Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-02 12:54 +0100
  Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-02 23:17 +0100
    Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-03 00:09 +0100
      Re: Writing own source disk Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-06-02 23:19 +0000
      Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-03 13:11 +0100
        Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-04 00:41 +0100
          Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-04 14:40 +0100
            Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-04 19:45 +0100
              Re: Writing own source disk scott@slp53.sl.home (Scott Lurndal) - 2024-06-04 19:23 +0000
            Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-04 20:57 +0100
              Re: Writing own source disk Mikko <mikko.levanto@iki.fi> - 2024-06-05 11:13 +0300
                Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-05 09:23 +0100
    Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-03 00:10 +0100
      Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-03 05:16 +0100
      Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-03 05:19 +0100
      Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-03 10:31 +0100
        Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-03 11:01 +0100
          Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-03 12:58 +0100
            Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-03 13:37 +0100
              Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-03 14:50 +0100
              Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-03 14:55 +0100
                Re: Writing own source disk bart <bc@freeuk.com> - 2024-06-03 15:34 +0100
                Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-03 19:36 +0100
              Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-04 00:35 +0100
          Re: Writing own source disk Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-06-03 17:33 -0700
            Re: Writing own source disk Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-06-03 17:35 -0700
              Re: Writing own source disk David Brown <david.brown@hesbynett.no> - 2024-06-04 09:30 +0200
              Re: Writing own source disk Mikko <mikko.levanto@iki.fi> - 2024-06-05 11:19 +0300
                Re: Writing own source disk Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-06-05 08:29 +0000
                Re: Writing own source disk Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-06-05 11:10 -0700
                Re: Writing own source disk scott@slp53.sl.home (Scott Lurndal) - 2024-06-05 18:23 +0000
                Re: Writing own source disk Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2024-06-05 11:26 -0700
                Re: Writing own source disk David Brown <david.brown@hesbynett.no> - 2024-06-05 21:27 +0200
        Re: Writing own source disk Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-06-03 23:56 +0000
          Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-04 12:10 +0100
  Re: Writing own source disk Lawrence D'Oliveiro <ldo@nz.invalid> - 2024-06-02 23:18 +0000
  Re: Writing own source disk Michael S <already5chosen@yahoo.com> - 2024-06-03 16:04 +0300
    Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-03 14:47 +0100
      Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-04 01:18 +0100
        Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-04 14:33 +0100
          Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-04 19:41 +0100
            Re: Writing own source disk Richard Harnden <richard.nospam@gmail.invalid> - 2024-06-04 21:04 +0100
            Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-06 18:00 +0100
              Re: Writing own source disk Malcolm McLean <malcolm.arthur.mclean@gmail.com> - 2024-06-06 20:24 +0100
                Re: Writing own source disk Ben Bacarisse <ben@bsb.me.uk> - 2024-06-07 20:04 +0100

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