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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: "John C. Randolph" <email@hidden>
Date: Wed, 18 Jan 2006 23:55:19 -0800


On Jan 18, 2006, at 11:31 PM, David Chan wrote:

Hi all,
I am currently given task to rewrite a carbon project (c++) using cocoa (obj-c) The legacy application I am working with is used to read a special type of compressed file. 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? Thanks a lot.

You can get a pointer to the bytes in the NSData object by sending it a -bytes message, or you can copy them into a buffer using - getBytes:. Then, just pass that buffer to whatever routine you're using to decompress.

-jcr

John C. Randolph <email@hidden> (408) 914-0013
Roaming Cocoa Engineer,
Available for your projects at great Expense and Inconvenience.

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




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