[src/trunk]: src/bin/rm Adjust comment to indicate what this code is actually...

[tls <tls%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bb30ee849227
branches:  trunk
changeset: 557514:bb30ee849227
user:      tls <tls%NetBSD.org@localhost>
date:      Sun Jan 11 02:17:12 2004 +0000

description:
Adjust comment to indicate what this code is actually useful for, and that
it's not really "cheap".

diffstat:

 bin/rm/rm.c |  9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diffs (30 lines):

diff -r 7fe2175ce3de -r bb30ee849227 bin/rm/rm.c
--- a/bin/rm/rm.c       Sun Jan 11 02:13:14 2004 +0000
+++ b/bin/rm/rm.c       Sun Jan 11 02:17:12 2004 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rm.c,v 1.40 2004/01/11 02:04:05 tls Exp $ */
+/* $NetBSD: rm.c,v 1.41 2004/01/11 02:17:12 tls Exp $ */
 
 /*-
  * Copyright (c) 1990, 1993, 1994, 2003
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)rm.c       8.8 (Berkeley) 4/27/95";
 #else
-__RCSID("$NetBSD: rm.c,v 1.40 2004/01/11 02:04:05 tls Exp $");
+__RCSID("$NetBSD: rm.c,v 1.41 2004/01/11 02:17:12 tls Exp $");
 #endif
 #endif /* not lint */
 
@@ -314,8 +314,9 @@
  * rm_overwrite --
  *     Overwrite the file 3 times with varying bit patterns.
  *
- * This is a cheap way to *really* delete files.  Note that only regular
- * files are deleted, directories (and therefore names) will remain.
+ * This is an expensive way to keep people from recovering files from your
+ * non-snapshotted FFS filesystems using fsdb(8).  Really.  No more.  Only
+ * regular files are deleted, directories (and therefore names) will remain.
  * Also, this assumes a fixed-block file system (like FFS, or a V7 or a
  * System V file system).  In a logging file system, you'll have to have
  * kernel support.