Date: Thu, 1 Jun 2006 10:49:50 +0100 From: Ceri Davies <ceri@submonkey.net> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: Maxim Konovalov <maxim@FreeBSD.org>, cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/ufs/ufs ufs_vnops.c Message-ID: <20060601094950.GU21998@submonkey.net> In-Reply-To: <20060601023523.GA80617@wantadilla.lemis.com> References: <200605311315.k4VDFUhD093628@repoman.freebsd.org> <20060601023523.GA80617@wantadilla.lemis.com>
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On Thu, Jun 01, 2006 at 12:05:23PM +0930, Greg 'groggy' Lehey wrote:
> On Wednesday, 31 May 2006 at 13:15:29 +0000, Maxim Konovalov wrote:
> > maxim 2006-05-31 13:15:29 UTC
> >
> > FreeBSD src repository
> >
> > Modified files:
> > sys/ufs/ufs ufs_vnops.c
> > Log:
> > o According to POSIX, the result of ftruncate(2) is unspecified
> > for file types other than VREG, VDIR and shared memory objects.
> > We already handle VREG, VLNK and VDIR cases. Silently ignore
> >
> > Revision Changes Path
> > 1.276 +22 -4 src/sys/ufs/ufs/ufs_vnops.c
>=20
> Is this worth a man page update?
Undoubtedly. Does the attached look like enough? I'm not sure if we
want to add a STANDARDS section for this when it's valid behaviour.
Ceri
--=20
That must be wonderful! I don't understand it at all.
-- Moliere
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Index: src/lib/libc/sys/truncate.2
===================================================================
RCS file: /home/ncvs/src/lib/libc/sys/truncate.2,v
retrieving revision 1.17
diff -u -r1.17 truncate.2
--- src/lib/libc/sys/truncate.2 20 Jan 2005 09:17:05 -0000 1.17
+++ src/lib/libc/sys/truncate.2 1 Jun 2006 09:47:19 -0000
@@ -32,7 +32,7 @@
.\" @(#)truncate.2 8.1 (Berkeley) 6/4/93
.\" $FreeBSD: src/lib/libc/sys/truncate.2,v 1.17 2005/01/20 09:17:05 ru Exp $
.\"
-.Dd June 4, 1993
+.Dd June 1, 2006
.Dt TRUNCATE 2
.Os
.Sh NAME
@@ -69,6 +69,10 @@
the file must be open for writing.
.Sh RETURN VALUES
.Rv -std
+If the file to be modified is not a directory or
+a regular file, the
+.Fn truncate
+call will return the value 0.
.Sh ERRORS
The
.Fn truncate
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