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Re: How to decompress file

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Re: How to decompress file

Subject: Re: How to decompress file
From: Markus Hitter <email@hidden>
Date: Thu, 19 Jan 2006 21:50:43 +0100


Am 19.01.2006 um 08:31 schrieb David Chan:

At the moment the carbon applicaiton use datafork to read the data and CDecompressionStream to decompress the data. How do you do that in cocoa? How do you decompress an NSData of a compressed file?

First, you can use Carbon in Cocoa as well. Having a few Carbon calls inside a Cocoa method won't disturb you app's design.

Second, something like popen("gzip -cd myfile"); would avoid to load the compressed file into memory. Big win if you read big files. Even necessary for files beyond 1 GB (compressed & uncompressed size > 2 GB).


Markus

- - - - - - - - - - - - - - - - - - -
Dipl. Ing. Markus Hitter
http://www.jump-ing.de/


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  >How to decompress file (From: David Chan <email@hidden>)




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