Re: sbrk

On Sat, Nov 25, 2023, 8:44 PM <joseph@josephholsten.com> wrote:

> Yes, it’s no longer included. It’s long been deprecated, but that does
> make porting things like the original vi a bit challenging.
>
> Is there a particular project you’re trying to use it for?
>

It was never included in FreeBSD/arm64 due to the fact that the address
space is complicated now and there no longer is an area beyond bss that you
can expand into... let alone contract...

Emacs was not happy with it...

Warner

-- 
> Joseph Holsten
> On Nov 25, 2023 at 19:41 -0800, Bakul Shah <bakul@iitbombay.org>, wrote:
>
> Does sbrk not exist on FreeBSD-14 on arm64? Is this by design?
>
> $ cat sb.c
> #include <unistd.h>
> #include <stdio.h>
> int main(int c, char**v) {
>         void *x = sbrk(102400);
>         printf("%p\n", x);
> }
> $ cc sb.c
> ld: error: undefined symbol: sbrk
> >>> referenced by sb.c
> >>>               /tmp/sb-e97caf.o:(main)
> cc: error: linker command failed with exit code 1 (use -v to see
> invocation)
>
>