[src/trunk]: src/lib/libc/sys Document that mkdir("/", x) returns EISDIR. Acc...

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

details:   https://anonhg.NetBSD.org/src/rev/28248f12ae84
branches:  trunk
changeset: 584430:28248f12ae84
user:      christos <christos%NetBSD.org@localhost>
date:      Sat Sep 17 06:08:03 2005 +0000

description:
Document that mkdir("/", x) returns EISDIR. According to POSIX this is not
an allowed error, but we return EIO and EDQUOT also which are not in POSIX
either.

diffstat:

 lib/libc/sys/mkdir.2 |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 82f5b4a6f3fd -r 28248f12ae84 lib/libc/sys/mkdir.2
--- a/lib/libc/sys/mkdir.2      Sat Sep 17 06:05:04 2005 +0000
+++ b/lib/libc/sys/mkdir.2      Sat Sep 17 06:08:03 2005 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: mkdir.2,v 1.21 2004/05/13 10:20:58 wiz Exp $
+.\"    $NetBSD: mkdir.2,v 1.22 2005/09/17 06:08:03 christos Exp $
 .\"
 .\" Copyright (c) 1983, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)mkdir.2    8.2 (Berkeley) 12/11/93
 .\"
-.Dd December 11, 1993
+.Dd September 17, 2005
 .Dt MKDIR 2
 .Os
 .Sh NAME
@@ -79,6 +79,9 @@
 The named file resides on a read-only file system.
 .It Bq Er EEXIST
 The named file exists.
+.It Bq Er EISDIR
+Attempt to create
+.Dq / .
 .It Bq Er ENOSPC
 The new directory cannot be created because there is no space left
 on the file system that will contain the directory.