Re: The cost of using objects rather than plain C variables
Re: The cost of using objects rather than plain C variables
- Subject: Re: The cost of using objects rather than plain C variables
- From: Andy Lee <email@hidden>
- Date: Mon, 08 Jul 2013 13:20:33 -0400
On Jul 8, 2013, at 12:30 PM, Vincent Habchi <email@hidden> wrote:
> On 8 juil. 2013, at 18:04, Jens Alfke <email@hidden> wrote:
>> On Jul 7, 2013, at 1:37 PM, Frederick Bartram <email@hidden> wrote:
>>
>>> Have you tried using NSData to store C-arrays?
>
> No, since my initial problem was to be able to extend the buffer as the number of primitive read grew. NSData would not do that.
NSData wouldn't let you, but NSMutableData would, with methods like appendBytes:length:, appendData:, increaseLengthBy:, etc. The underlying buffer might have to move around if it cannot be extended in place, just as it would if you use C realloc() calls.
--Andy
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