> On Nov 23, 2015, at 11:04 PM, Eric E. Dolecki <edole...@gmail.com> wrote:
> 
> That method is not my code so I can't speak to it. It's from a github example 
> from a company supplying BT shields for Arduino.
> 
> On Mon, Nov 23, 2015 at 11:57 PM Charles Srstka <cocoa...@charlessoft.com 
> <mailto:cocoa...@charlessoft.com>> wrote:
>> On Nov 23, 2015, at 9:55 PM, Eric E. Dolecki <edole...@gmail.com 
>> <mailto:edole...@gmail.com>> wrote:
> 
>> -(int) compareCBUUIDToInt:(CBUUID *)UUID1 UUID2:(UInt16)UUID2
>> {
>>    char b1[16];
> 
>> *   [UUID1.data getBytes:b1]; //<---*
> 
>>    UInt16 b2 = [self swap:UUID2];
>>    if (memcmp(b1, (char *)&b2, 2) == 0)
>>        return 1;
>>    else
>>        return 0;
>> }
> 
> 
> Is there a possible typo here? It looks like you’re reading in 16 *bytes* of 
> data, and then comparing it against an integer that is 16 *bits* in size. Is 
> that what you meant to do?
> 
> At any rate, you’re only comparing the first two bytes here; the other 
> fourteen will never be used, unless the code above is a simplification.

Can you look at one of the data objects to see if it actually has 16 bytes of 
data in it?

Charles

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