GNU bug report logs - #74426
tests/dd/skip-seek-past-file failure on macOS

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Grisha Levit <grishalevit <at> gmail.com>
Subject: bug#74426: closed (Re: tests/dd/skip-seek-past-file failure on macOS)
Date: Sun, 16 Feb 2025 06:40:02 +0000

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Your bug report

#74426: tests/dd/skip-seek-past-file failure on macOS

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 74426 <at> debbugs.gnu.org.

-- 
74426: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=74426
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Grisha Levit <grishalevit <at> gmail.com>
Cc: 74426-done <at> debbugs.gnu.org
Subject: Re: tests/dd/skip-seek-past-file failure on macOS
Date: Sat, 15 Feb 2025 22:38:56 -0800

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On 2024-11-18 20:28, Grisha Levit wrote:
> tests/dd/skip-seek-past-file.sh fails on macOS 15 when checking for a
> warning being printed when seeking past the max file size [1].

Thanks, I installed the attached patch a couple of days after your bug 
report, but unfortunately forgot to reply to your email until now. This 
patch appears in coreutils 9.6.

[0001-dd-port-big-offset-test-to-macOS-12.6.patch (text/x-patch, attachment)]

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From: Grisha Levit <grishalevit <at> gmail.com>
To: bug-coreutils <at> gnu.org
Subject: tests/dd/skip-seek-past-file failure on macOS
Date: Mon, 18 Nov 2024 23:28:19 -0500

tests/dd/skip-seek-past-file.sh fails on macOS 15 when checking for a
warning being printed when seeking past the max file size [1].

Reproducing outside the test suite:

$ > file
$ dd bs=1 skip=9223372036854775807 count=0 status=noxfer < file
0+0 records in
0+0 records out
$ echo $?
0

Note that if the input is a non-empty file the expected warning _is_ printed:

$ echo > file
$ dd bs=1 skip=9223372036854775807 count=0 status=noxfer < file
dd: 'standard input': cannot skip to specified offset
0+0 records in
0+0 records out
$ echo $?
0

  [1]: https://git.savannah.gnu.org/cgit/coreutils.git/tree/tests/dd/skip-seek-past-file.sh?id=c41ca2814d2ffad5fff9b9526d1be9eb5366d72d#n84

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