And to clarify it a bit more, in Perl it is done as follows:
use MIME::Base64;
$base64decoded = decode_base64($inputstring);
@hostOrder32 = unpack("N*", $base64decoded);
The hostOrder32 array contains a list of host ordered 32 bits entities which
need to be converted to floats.
- Koen.
On Nov 25, 2011, at 5:20 PM, Koen van der Drift wrote:
>
> On Nov 25, 2011, at 4:30 PM, Ben Kennedy wrote:
>
>> On 25 Nov 2011, at 12:58 pm, Koen van der Drift wrote:
>>
>>> How do I obtain the "network byte order data" and "byte order of the host
>>> machine" so I get the correct results?
>>
>> Check out NSHostByteOrder(), as well as CFSwapInt32HostToBig() and brethren
>> (with various values for "32" and "Big").
>>
>
>
> Thanks Ben.
>
> So I added
>
> long byteOrder = NSHostByteOrder();
>
> and in my case that returns "1". How do I use that value for my results
> array? What type should this array be?
>
> For now I have been using
>
> float *results
>
> But I guess that needs to be changed based on the value of byteOrder ?
>
>
> Basically what I am trying to do is to convert and NSData object which I know
> contains an array of pairs of values to a Cocoa usable object, eg an NSArray
> of NSDictionaries.
>
>
>
> - Koen.
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