Jeff King <p...@peff.net> writes:

> I.e., could we mostly ignore this problem as not applying to most modern
> systems? And if there is such a system, give it a fallback like:
>
>   /*
>    * For systems that use a single buffer for getenv(), this hacks
>    * around it by giving it _four_ buffers. That's just punting on
>    * the problem, but it at least gives enough breathing room for
>    * the caller to do something sane like use non-trivial functions
>    * to copy the string. It still does nothing for threading, but
>    * hopefully such systems don't support pthreads in the first place. ;)
>    */

Tempting.

> I dunno. Maybe I am being overly optimistic. But I strongly suspect we
> have such bugs already in our code base, and nobody has run into them

Yeah, I tend to agree that I would not be surprised at all if we
have many such "bugs" that triggers for nobody on modern platforms.

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