Path: utzoo!attcan!uunet!portal!cup.portal.com!ts
From: ts@cup.portal.com (Tim W Smith)
Newsgroups: comp.sys.mac
Subject: Re: Protecting Diskette from eject an write IN SOFTWARE
Message-ID: <12592@cup.portal.com>
Date: 14 Dec 88 11:28:05 GMT
References: <914@taurus.BITNET>
Organization: The Portal System (TM)
Lines: 8

There is a bit in the flags that occur just before the drive queue entry
that tells if the volume is ejectable.

The Finder determines if a volume is write protected by doing a status
call to the driver for that volume.  See the chapter on the disk driver
in inside Macintosh.

					Tim Smith