[delphizip] Re: Long File Names > 255

  • From: James Turner <james.d.h.turner@xxxxxxxxxxxx>
  • To: delphizip@xxxxxxxxxxxxx
  • Date: Tue, 04 Sep 2012 23:42:32 +0100

@Allan Fernandes,

Just for clarification, do you want to use filenames greater than 255 
characters **within** zip files or are you concerned about 
addition/extraction of files where the external path is greater than 
MAX_PATH (260 characters)?

-- James Turner.

On 04/09/2012 23:19, RPeters wrote:
> On 4/09/2012 8:11 PM, Allan Fernandes wrote:
>> Hi Russell ,
>>
>> You will be aware that Windows allows handling of long file names (more than 
>> 255 chars) with \\?\ being preceded to the file path. I can Explore/Copy etc 
>> with this. I made 20 indented folders in my machine each with the name 
>> 'abcde12345' and reached 200 chars, then I shared the last folder and went 
>> to another machine and using the share name created another 20 indented 
>> folders with the same name. Finally made a file in the last folder and tried 
>> to zip that.
>> Many customers are now having files like this and also due to unicode it is 
>> inevitable. Please advice.
>>
>> Warmest Regards
>> Allan Fernandes
>>
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> I am keeping it in mind as I have had problems with the 'normal' limit a
> number of time but the problem mostly lies with the dll C++ code which I
> am working on removing (mainly because of 64bit).
> It is taking time but eventually I hope to get there.
> Russell Peters
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