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Re: NSMutableData capacity
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Re: NSMutableData capacity

  • Subject: Re: NSMutableData capacity
  • From: Jens Alfke <email@hidden>
  • Date: Wed, 23 May 2012 10:15:22 -0700
On May 23, 2012, at 8:26 AM, Andreas Grosam wrote:

> Is there an easy way to figure out the capacity of a NSMutableData object - that is the number of bytes that can be written to the data object without causing it to reallocate the internal buffer or invalidating the base pointer to the internal buffer?

I don't think so. You should always assume that any call to -setLength: will invalidate the -bytes/-mutableBytes pointer.

—Jens
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References: 
 >NSMutableData capacity (From: Andreas Grosam <email@hidden>)

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