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Re: (no subject)
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Re: (no subject)


  • Subject: Re: (no subject)
  • From: "Alastair J.Houghton" <email@hidden>
  • Date: Thu, 16 Oct 2003 11:30:14 +0100

On Thursday, October 16, 2003, at 12:47 am, Dustin Voss wrote:

On Tuesday, October 14, 2003, at 11:50 PM, Stefan Fisk wrote:

Hi!

how do i handle extracting .zip from within a cocoa application? i've got a bunch .zip files each with a .gba file in them (there might be other files in the archive to, but those should just be ignored). What i want is to read the .gba file to a buffer.

You need a ZIP library. You might try Googling for one, or maybe you can roll your own with PkWare's specification: http://www.pkware.com/products/enterprise/white_papers/appnote.html

OS X comes with a library called zlib, but that can only handle one compression method and doesn't understand the file format.

Probably best to have a look at the infozip web pages at

http://www.info-zip.org/pub/infozip/

infozip, which is where zlib originated, is a free PKZIP compatible .zip archiver, with source code, under a BSD-like license.

BTW, the infozip "zip" and "unzip" are installed on OS X already, and have some switches that you could probably use (like the "-p" switch on unzip, which extracts the data from the zip file to a pipe) if you are prepared to use an external utility to do the decompression.

Kind regards,

Alastair.
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 >Re: (no subject) (From: Dustin Voss <email@hidden>)

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