NSData, hex, and decimal

[bwebster at mac.com (Brian Webster)]

On Friday, March 15, 2002, at 02:01  PM, macosx-dev-
request@xxxxxxxxxxxxx wrote:

> Ok I'm reading packets of info from a server.  I can decode 
> them fine until
> I reach a strange barrier: 127.
>
> Why?  As soon as I receive 0x80 and try to use this code I get negative
> numbers... Why is it doing this?
>
>     [data getBytes:&packetLength range:NSMakeRange(2, 1)];
>     NSLog(@"Length: %c %i data:%i",packetLength,packetLength, [data
> length]);

Try using %u instead of %i to print out an unsigned value 
instead of a signed value.

--
Brian Webster
bwebster@xxxxxxx
http://homepage.mac.com/bwebster