From e41b789c9980e2ae4bdb9d320a498e8529524dec Mon Sep 17 00:00:00 2001 From: akr Date: Fri, 15 Feb 2013 11:30:19 +0000 Subject: * ext/socket/sockport.h (SET_SIN_LEN): defined for strict-aliasing rule. (INIT_SOCKADDR_IN): ditto. * ext/socket/raddrinfo.c (make_inetaddr): use INIT_SOCKADDR_IN. (addrinfo_ipv6_to_ipv4): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39254 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/socket/sockport.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'ext/socket/sockport.h') diff --git a/ext/socket/sockport.h b/ext/socket/sockport.h index 517b8f7420..95f4214d44 100644 --- a/ext/socket/sockport.h +++ b/ext/socket/sockport.h @@ -22,6 +22,13 @@ # define SET_SA_LEN(sa, len) (void)(len) #endif +/* for strict-aliasing rule */ +#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN +# define SET_SIN_LEN(sa, len) (void)((sa)->sin_len = (len)) +#else +# define SET_SIN_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len)) +#endif + #define INIT_SOCKADDR(addr, family, len) \ do { \ struct sockaddr *init_sockaddr_ptr = (addr); \ @@ -31,6 +38,15 @@ SET_SA_LEN(init_sockaddr_ptr, init_sockaddr_len); \ } while (0) +#define INIT_SOCKADDR_IN(addr, family, len) \ + do { \ + struct sockaddr_in *init_sockaddr_ptr = (addr); \ + socklen_t init_sockaddr_len = (len); \ + memset(init_sockaddr_ptr, 0, init_sockaddr_len); \ + init_sockaddr_ptr->sin_family = (family); \ + SET_SIN_LEN(init_sockaddr_ptr, init_sockaddr_len); \ + } while (0) + #ifndef IN_MULTICAST # define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000) # define IN_MULTICAST(i) IN_CLASSD(i) -- cgit v1.2.3