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Date: Thu, 20 Jun 1996 22:59:03 +0200
From: Wolfram Schneider <wosch@cs.tu-berlin.de>
Message-Id: <199606202059.WAA00487@campa.panke.de>
To: Tom Samplonius <tom@sdf.com>
Cc: hackers@freebsd.org
Subject: Longer usernames?
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Reply-to: Wolfram Schneider <wosch@cs.tu-berlin.de>
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Tom Samplonius writes:
>  Also, I recently noticed that BSDI 2.1 supports 16 character usernames
>too (UT_NAMESIZE is 16).  This means that BSDI 2.1 bins that access wtmp,
>utmp, etc will not work under FreeBSD.

The limit is also MAXLOGNAME (12 chars), see
/usr/include/sys/param.h 
/usr/src/lib/libc/gen/getlogin.c

Unfortunately our libc mixed MAXLOGNAME and UT_NAMESIZE.

Wolfram