On Mon, 2 Jan 2023, 10:22 Corentin Jabot via Lib-Ext, <
lib-ext_at_[hidden]> wrote:

>
> A further issue is that putenv is non-standard so fixing that in C or C++
> will be challenging.
> Things I've considered in the past:
> * Doing a copy at launch, but that seems extremely wasteful
> * Standardizing putenv and mandating some kind of thread safety - I
> wonder how that would go
>

POSIX says:

FUTURE DIRECTIONS
A future version may add one or more functions to access and modify the
environment in a thread-safe manner.

So if there is interest in doing this it should be done in conjunction with
WG14 and POSIX.