instance Show SockAddr
simonmar at microsoft.com
Mon Oct 18 05:21:36 EDT 2004
On 15 October 2004 19:44, Tomasz Zielonka wrote:
> On Fri, Oct 15, 2004 at 04:24:01PM +0200, Peter Simons wrote:
>> I've found myself needing to show a SockAddr type left and
>> right in my code. Is it possible to add the appropriate
>> definition to Network.Socket? Here is a suggestion:
>> -- |Split up an 32-bit word in network byte order.
>> ha2tpl :: HostAddress -> (Int, Int, Int, Int)
>> ha2tpl n =
>> let (b1,n1) = (n .&. 255, n `shiftR` 8)
>> (b2,n2) = (n1 .&. 255, n1 `shiftR` 8)
>> (b3,n3) = (n2 .&. 255, n2 `shiftR` 8)
>> b4 = n3 .&. 255
>> (fromEnum b1, fromEnum b2, fromEnum b3, fromEnum b4)
> This won't work on big-endian architectures.
If someone has code for a version that works on both endians, now is the
time to send it so we can get it into GHC 6.4.
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