Re: Is there a more efficient way to get the first 4 bytes off a NSInputStream to compare
Re: Is there a more efficient way to get the first 4 bytes off a NSInputStream to compare
- Subject: Re: Is there a more efficient way to get the first 4 bytes off a NSInputStream to compare
- From: Graham Cox <email@hidden>
- Date: Tue, 27 Jan 2009 15:44:36 +1100
On 27 Jan 2009, at 2:09 pm, Adam Venturella wrote:
NSData * d = [NSData dataWithBytes:buffer length:sizeof(buffer)];
uint * key = (uint *) malloc(sizeof(uint));
[d getBytes:key length:sizeof(uint)];
uint key;
[d getBytes:&key length:sizeof(uint)];
but since you have merely wrapped <buffer> in NSData, you already have
the buffer, so:
uint key = *(uint*)&buffer;
is also exactly the same, you don't need the NSData at all (at least
as far as this bit goes).
--Graham
_______________________________________________
Cocoa-dev mailing list (email@hidden)
Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa-dev-admins(at)lists.apple.com
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden