Re: Proposal: getexecpath(3)

[Martin Husemann <martin%duskware.de@localhost>]

On Sun, Oct 25, 2026 at 04:20:57AM -0400, Brad Smith wrote:
> I know this is not quite what you are looking for, but FYI, OpenBSD
> has since added a getexecpath(3) to libc, first appearing in
> OpenBSD 8.0:
> 
>   https://man.openbsd.org/getexecpath.3
> 
> Unlike NetBSD, OpenBSD did not even have a sysctl like
> KERN_PROC_PATHNAME to fall back on, so software was left guessing
> from argv[0]. That said, after looking through many open source
> projects, I see a lot of them have not been updated to use NetBSD's
> sysctl either.

See also:

https://nxr.netbsd.org/xref/src/crypto/external/bsd/openssh/dist/getexecpath.c

It doesn't do the sysctl fallback either.

Martin