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Subject:	Re: SEEK_DATA should fail at EOF (was: coreutils-9.6-1 (TEST): cp:
	infinite SEEK_SET/DATA/HOLE loop if file is compressed)
To:	cygwin AT cygwin DOT com
References:	<614771e9-592c-6154-d56d-13842b6fc6ac AT t-online DOT de>
	<5ccdf4be-4e4b-1846-9fd6-cba29c9dbb11 AT t-online DOT de>
	<Z6878Laugk31H2oO AT calimero DOT vinschen DOT de>
	<Z69BwMKCqG4LPk28 AT calimero DOT vinschen DOT de>
	<Z69W_GcJIEc0y__g AT calimero DOT vinschen DOT de>
Message-ID:	<19041f0a-80e5-fcf7-f98e-dd3893e31549@t-online.de>
Date:	Sat, 15 Feb 2025 12:18:29 +0100
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From:	Christian Franke via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	cygwin AT cygwin DOT com
Cc:	Christian Franke <Christian DOT Franke AT t-online DOT de>
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Corinna Vinschen via Cygwin wrote:
> On Feb 14 14:14, Corinna Vinschen via Cygwin wrote:
>> On Feb 14 13:49, Corinna Vinschen via Cygwin wrote:
>>> On Feb 14 12:24, Christian Franke via Cygwin wrote:
>>>> Hmm... does "beyond" mean '>=' or '>' ?
>>> ...do you think this fixes it?
>>>
>>> diff --git a/winsup/cygwin/fhandler/base.cc b/winsup/cygwin/fhandler/base.cc
>>> index 8f3dbd4ed51a..79dfaaa5987a 100644
>>> --- a/winsup/cygwin/fhandler/base.cc
>>> +++ b/winsup/cygwin/fhandler/base.cc
>>> @@ -1144,7 +1144,7 @@ fhandler_base::lseek (off_t offset, int whence)
>>>   	    return -1;
>>>   	  }
>>>   	/* Per Linux man page, ENXIO if offset is beyond EOF */
>>> -	if (offset > fsi.EndOfFile.QuadPart)
>>> +	if (offset >= fsi.EndOfFile.QuadPart)
>>>   	  {
>>>   	    set_errno (ENXIO);
>>>   	    return -1;
>> Yeah, it does.  I'll push the patch.
> Patch is in the latest cygwin-3.6.0-0.373.gfac7441835b0
> test release.
>
> We're probably releasing 3.6 in the next few weeks.
>

Problem does not longer occur with 3.6.0-0.374.g4dd859d01c22.x86_64 and 
cp from coreutils-9.6-1.




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