From: "Todd C. Miller" <Todd.Miller@sudo.ws>
Subject: Re: fix object header parser for zero-length object headers
To: Stefan Sperling <stsp@stsp.name>
Cc: gameoftrees@openbsd.org
Date: Fri, 28 Jan 2022 08:17:25 -0700

Now that you guarantee that buf is NUL-terminated there is no need
for strnlen() so you can just do:

	(*obj)->hdrlen = strlen(buf) + 1 /* '\0' */;

 - todd