[musl] 128-bit integer I/O

[musl] 128-bit integer I/O

[newbie nullzwei]

hello @ all,

not very familiar with musl I'd see a thread about 128-bit integers
from ~2023-05. Among other it states:

> Nobody has been asking to be able to printf 128-bit numbers in
> decimal. They've been asking to be able to use 128- or even 256-bit
> integers in vector ops, crypto math, ipv6 routing, etc.

For me it's odd to have a datatype without adequate I/O, but I found
none qualified on the web, thus - tried to - roll(ed) my own.

intlib128: [ https://gitlab.gnome.org/newbie-02/libint128/-/tree/main ]

Questions:
- someone reading here who'd like to make a review on that project,
I'm not experienced but just learning about coding and publishing.

If musl doesn't have 128-bit integer I/O? or evtl. C23 only? would you
like to adopt / assimilate / improve that project?

best regards,



Bernhard

Re: [musl] 128-bit integer I/O

[Rich Felker]

On Fri, Mar 21, 2025 at 11:20:00AM +0000, newbie nullzwei wrote:
> 
> hello @ all,
> 
> not very familiar with musl I'd see a thread about 128-bit integers
> from ~2023-05. Among other it states:
> 
> > Nobody has been asking to be able to printf 128-bit numbers in
> > decimal. They've been asking to be able to use 128- or even 256-bit
> > integers in vector ops, crypto math, ipv6 routing, etc.
> 
> For me it's odd to have a datatype without adequate I/O, but I found
> none qualified on the web, thus - tried to - roll(ed) my own.

We don't have the datatype, intentionally, for the reason you say. It
may be available as a compiler extension prefixed by __, but it's not
in the scope of the interfaces musl offers.

Rich