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Groups > comp.lang.c > #390104
| From | Tim Rentsch <tr.17687@z991.linuxsc.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Struct Error |
| Date | 2025-01-22 23:11 -0800 |
| Organization | A noiseless patient Spider |
| Message-ID | <867c6m3sxx.fsf@linuxsc.com> (permalink) |
| References | <vmr5gg$137jo$1@dont-email.me> |
bart <bc@freeuk.com> writes:
> Gcc 14.1 gives me an error compiling this code:
>
> struct vector;
> struct scenet;
>
> struct vector {
> double x;
> double y;
> double z;
> };
>
> struct scenet {
> struct vector center;
> double radius;
> struct scenet (*child)[];
> };
>
> The error is:
>
> error: array type has incomplete element type 'struct scenet'
> struct scenet (*child)[];
> ^~~~~
>
> Is there any way to fix this, or is it not possible?
>
> (This comes from generated code. Idiomatic C would use a T* here
> rather than T(*)[], but that is not an option. Other compilers like
> tcc, DMC and mine have no problem with it.)
The code shown violates a constraint in the C standard, because
the element type of the array declarator is an incomplete type
at the point the 'child' member is declared, so a diagnostic
is required.
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Struct Error bart <bc@freeuk.com> - 2025-01-22 16:14 +0000
Re: Struct Error Kaz Kylheku <643-408-1753@kylheku.com> - 2025-01-22 20:05 +0000
Re: Struct Error Ben Bacarisse <ben@bsb.me.uk> - 2025-01-22 21:00 +0000
Re: Struct Error Richard Harnden <richard.nospam@gmail.invalid> - 2025-01-22 20:08 +0000
Re: Struct Error Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-01-22 22:27 +0000
Re: Struct Error James Kuyper <jameskuyper@alumni.caltech.edu> - 2025-01-22 20:05 -0500
Re: Struct Error learningcpp1@gmail.com (m137) - 2025-01-23 03:49 +0000
Re: Struct Error Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-01-22 23:15 -0800
Re: Struct Error James Kuyper <jameskuyper@alumni.caltech.edu> - 2025-01-23 03:37 -0500
Re: Struct Error Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-01-22 23:31 -0800
Re: Struct Error bart <bc@freeuk.com> - 2025-01-23 10:54 +0000
Re: Struct Error BGB <cr88192@gmail.com> - 2025-01-23 14:58 -0600
Re: Struct Error bart <bc@freeuk.com> - 2025-01-24 00:51 +0000
Re: Struct Error BGB <cr88192@gmail.com> - 2025-01-24 00:27 -0600
Re: Struct Error David Brown <david.brown@hesbynett.no> - 2025-01-24 09:45 +0100
Re: Struct Error Kaz Kylheku <643-408-1753@kylheku.com> - 2025-01-24 20:31 +0000
Re: Struct Error bart <bc@freeuk.com> - 2025-01-24 22:53 +0000
Re: Struct Error James Kuyper <jameskuyper@alumni.caltech.edu> - 2025-01-24 20:53 -0500
Re: Struct Error James Kuyper <jameskuyper@alumni.caltech.edu> - 2025-01-24 08:43 -0500
Re: Struct Error bart <bc@freeuk.com> - 2025-01-24 23:32 +0000
Re: Struct Error Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-01-23 23:50 +0000
Re: Struct Error bart <bc@freeuk.com> - 2025-01-24 00:37 +0000
Re: Struct Error Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-01-24 00:57 +0000
Re: Struct Error Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2025-01-23 17:23 -0800
Re: Struct Error bart <bc@freeuk.com> - 2025-01-24 01:27 +0000
Re: Struct Error James Kuyper <jameskuyper@alumni.caltech.edu> - 2025-01-24 08:24 -0500
Re: Struct Error Michael S <already5chosen@yahoo.com> - 2025-01-24 16:37 +0200
Re: Struct Error bart <bc@freeuk.com> - 2025-01-26 19:14 +0000
Re: Struct Error Michael S <already5chosen@yahoo.com> - 2025-01-26 23:14 +0200
Re: Struct Error Kaz Kylheku <643-408-1753@kylheku.com> - 2025-01-27 04:05 +0000
Re: Struct Error bart <bc@freeuk.com> - 2025-01-27 20:19 +0000
Re: Struct Error Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-01-29 02:59 -0800
Re: Struct Error bart <bc@freeuk.com> - 2025-01-29 11:36 +0000
Re: Struct Error Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-01-30 11:51 -0800
Re: Struct Error Richard Damon <richard@damon-family.org> - 2025-01-29 07:32 -0500
Re: Struct Error Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-01-29 07:52 -0800
Re: Struct Error Tim Rentsch <tr.17687@z991.linuxsc.com> - 2025-01-22 23:11 -0800
Re: Struct Error Andrey Tarasevich <noone@noone.net> - 2025-02-02 20:35 -0800
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