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Re: NSData question
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Re: NSData question


  • Subject: Re: NSData question
  • From: Jim Correia <email@hidden>
  • Date: Tue, 16 Apr 2002 08:53:52 -0400

On Tuesday, April 16, 2002, at 02:45 AM, Ondra Cada wrote:

On Tuesday, April 16, 2002, at 04:30 , Jonathan Wight wrote:

Anyone know if an NSData object created with:

+ (id)dataWithBytesNoCopy:(void *)bytes length:(unsigned)length;

will try to free 'bytes' when it gets dealloc-ed?

Yup, it will (as documented).

Alas there is no way to prevent that (as there is with the similar method of NSString). Perhaps we should fill a feature request to extend the API somewhat?

Meanwhile, CFData (which is toll-free bridged with NSData) supports the feature you need, so you can either just make the appropriate calls yourself, or add a category on NSData for convenience.

<http://developer.apple.com/techpubs/macosx/Cocoa/TasksAndConcepts/ProgrammingTopics/
BinaryData/Tasks/WorkingWithBinaryData.html>

Jim
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References: 
 >Re: NSData question (From: Ondra Cada <email@hidden>)

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