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[SOLVED] Re: Where's the buffer overrun?

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[SOLVED] Re: Where's the buffer overrun?

Subject: [SOLVED] Re: Where's the buffer overrun?
From: Nick Zitzmann <email@hidden>
Date: Wed, 19 Mar 2008 19:20:22 -0600

On Mar 19, 2008, at 6:18 PM, Chris Suter wrote:

I think it's because
[NSMutableData dataWithBytesNoCopy:returnArray length:length]
is releasing returnArray and allocating a new buffer for it. I'm guessing that's because it's NSMutableData.

To fix it, use NSData instead.

Ding ding ding! I would have never guessed that -[NSMutableData dataWithBytesNoCopy:...] throws away the original bytes (odd behavior), and the NSData version doesn't (expected behavior), but now when I run the code, Guard Malloc no longer crashes.

Nick Zitzmann
<http://www.chronosnet.com/>

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References:  
  >Where's the buffer overrun? (From: Nick Zitzmann <email@hidden>)
  >Re: Where's the buffer overrun? (From: Chris Suter <email@hidden>)
  >Re: Where's the buffer overrun? (From: Andrew Farmer <email@hidden>)
  >Re: Where's the buffer overrun? (From: Chris Suter <email@hidden>)




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