[File] Regression from firstline initialization

[Christos Zoulas]

Ok, should be fixed now!

christos

> On Oct 2, 2022, at 6:43 PM, Christos Zoulas <christos at zoulas.com> wrote:
> 
> Signed PGP part
> Whack-a-mole. I fix one thing, I break another.
> 
> christos
> 
>> On Oct 2, 2022, at 5:04 PM, Christoph Biedl <astron.com.bwoj at manchmal.in-ulm.de> wrote:
>> 
>> Hello,
>> 
>> there are a few regressions I've noticed lately.
>> 
>> For a starter, commit
>> 
>>   commit c81335fad6cd38c745f3ce6a2f877a05718dee63
>>   Author: Christos Zoulas <christos at zoulas.com>
>>   Date:   Thu Aug 18 07:57:53 2022 +0000
>> 
>>       PR/373: Initialize firstline properly so that multiple calls to match work.
>> 
>> When using against the file available at
>> https://bugs.launchpad.net/ubuntu/+source/file/+bug/1717991/+attachment/4952354/+files/test.jpg
>> (sha256 097ab7efa99c0189853270d702f3347b2ca23c5886dceb1e3217fb7ac0fd975b)
>> there is an additional "\012- " in the detection, as in
>> 
>> -test.jpg: JPEG image data, (...) Exif Standard: [TIFF image data, (...)
>> +test.jpg: JPEG image data, (...) Exif Standard: [\012- TIFF image data, (...)
>> 
>> This happens with some other samples as well. And no, I have no idea
>> what went wrong here.
>> 
>>   Christoph
>> --
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>> File at astron.com
>> https://mailman.astron.com/mailman/listinfo/file
> 
> 

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