Strict-aliasing rules (gcc 4.4)
Julien ÉLIE
julien at trigofacile.com
Thu Aug 20 21:43:07 UTC 2009
Hi,
With gcc 4.4, there are lots of errors like:
rc.c:151: error: dereferencing pointer 's_local' does break strict-aliasing rules
rc.c:573: error: dereferencing pointer 'remote.59' does break strict-aliasing rules
...
--> if( s_local->sa_family == AF_INET6 )
{
struct sockaddr_in6 *s_l6 = (struct sockaddr_in6 *)s_local;
struct sockaddr_in6 *s_d6 = (struct sockaddr_in6 *)s_distant;
--> memcpy(&remotetable[i].Address, &remote, SA_LEN((struct sockaddr *)&remote));
What could we do for that?
Why such calls are not fine?
--
Julien ÉLIE
« -- Ne te réjouis pas trop vite... Gnôthi seauton !
-- Ça veut dire quoi ça ?
-- Je ne sais pas ; c'est du grec. » (Oursenplus)
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