Subject: Re: [PATCH] wrapper: remove xunsetenv()

From: Junio C Hamano <[email-masked]>
Date: Fri, 29 Oct 2021 14:58:48 -0700

Jeff King <[email-masked]> writes:

> However, according to the unsetenv() manpage:
>
>   Prior to glibc 2.2.2, unsetenv() was prototyped as returning void;
>   more recent glibc versions follow the POSIX.1-compliant prototype
>   shown in the SYNOPSIS.
>
> So it is POSIX to return an int, but that gives us at least one platform
> where unsetenv() returns void (or used to). glibc 2.2.2 is 2001-era, so
> that may be old enough that we don't care. But it makes me wonder if
> other older or obscure platforms will run into this.

Ahh, OK.  Well, we will hear from them soon enough.  It is not like
this is anything urgent.

Thanks.