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From: Eli Zaretskii <eliz@gnu.org>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: shuguang@gmail.com, 29225@debbugs.gnu.org
Subject: bug#29225: Tramp backup-by-copying in a Converting ACL Invalid argument error on Windows 7
Date: Fri, 10 Nov 2017 15:06:49 +0200	[thread overview]
Message-ID: <83mv3up9jq.fsf@gnu.org> (raw)
In-Reply-To: <87bmkal31b.fsf@gmx.de> (message from Michael Albinus on Fri, 10 Nov 2017 13:41:04 +0100)

> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: Shuguang Sun <shuguang@gmail.com>,  29225@debbugs.gnu.org
> Date: Fri, 10 Nov 2017 13:41:04 +0100
> 
> "Value is t if setting of ACL was successful, nil otherwise."
> 
> The error message "Converting ACL" "Invalid argument" comes from
> Ffile_acl of fileio.c. It *raises* an error instead of silently
> returning Qnil, as advertised by the docstring. A similar wrong
> behaviour I've found in `tramp-smb-handle-set-file-acl'.
> 
> I would convert both functions to return nil instead of raising an
> error, in the emacs-26 branch. Any objection?

I think it should return nil when acl_errno_valid returns false, and
otherwise signal an error.  It currently calls acl_errno_valid in one
of the two places where error could happen, but not in the other.  And
the doc string should be amended to say that.  WDYT?





  reply	other threads:[~2017-11-10 13:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-09  8:24 bug#29225: Tramp backup-by-copying in a Converting ACL Invalid argument error on Windows 7 Shuguang Sun
2017-11-09 17:18 ` Eli Zaretskii
2017-11-10 12:41   ` Michael Albinus
2017-11-10 13:06     ` Eli Zaretskii [this message]
2017-11-10 14:39       ` Michael Albinus
2017-11-10 15:13         ` Eli Zaretskii
2017-11-12 13:21           ` Michael Albinus
2018-01-17 10:05             ` Michael Albinus

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