From: "Lyndon Nerenberg (VE7TFX/VE6BBM)" <lyndon@orthanc.ca>
Subject: Re: setenv(3) segfaults when value == NULL
To: "Theo de Raadt" <deraadt@openbsd.org>
Cc: enh <enh@google.com>, tech@openbsd.org
Date: Fri, 13 Mar 2026 17:44:42 -0700

Theo de Raadt writes:

> Furthermore I disagree with this trend to "always return an error
> vaue".
>
> An example is fclose(NULL).
>
> That crashes.  It *SHOULD* crash, so that you can find and fix the bug.

Well then you better change setenv() so it segfaults if name == NULL,
too. Or *name = '\0'.  It's a simple fix, just remove that if
statement.  Don't forget to update the man page.

--lyndon