Re: Segments

Michael S <already5chosen@yahoo.com> schrieb:

On Wed, 15 Jan 2025 18:00:34 -0000 (UTC)
Thomas Koenig <tkoenig@netcologne.de> wrote:
>

Michael S <already5chosen@yahoo.com> schrieb:

On Wed, 15 Jan 2025 07:09:38 -0000 (UTC)
Thomas Koenig <tkoenig@netcologne.de> wrote:
 

Keith Thompson <Keith.S.Thompson+u@gmail.com> schrieb: 

Thomas Koenig <tkoenig@netcologne.de> writes:
[...]   

CHERY targets C, which on the one hand, I understand (there's a
ton of C code out there), but trying to retrofit a safe memory
model onto C seems a bit awkward - it might have been better to
target a language which has arrays in the first place, unlike
C.   

[...]
>
C does have arrays.   

 
Sort of - they decay into pointers at first sight.
 
But what I should have written was "multi-dimensional arrays",
with a reasonable way of handling them. 

>
C language always had multi-dimensional arrays, with limitation that
dimensions have to be known in compile time.
C99 lifted that limitation, making C support for multi-dimensional
arrays comparable to that in old Fortran.
C11 said that lifting is optional.
Now C23 makes part of the lifting (variably-modified types) again
mandatory. 

 
I'd missed that one.
 

Relatively to F90, support for multi-dimensional arrays in C23 is
primitive. 

 
From what you describe, support for multi-dimensional arrays
in C23 now reached the level of Fortran II, released in
1958.  Only a bit more than six decades, can't complain
about that.

>
Well, apart from playing with what is mandatory and what is not, arrays
stuff in C had not changed (AFAIK) since C99.

It's not mandatory, so compilers are free to ignore it (and a
major compiler, from a certain company in Redmond, does
not support it).  That's as good as sayhing that it does not
exist in the language.