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* ext/socket/sockport.h (SET_SIN_LEN): defined for strict-aliasing

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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
This commit is contained in:
akr 2013-02-15 11:30:19 +00:00
parent 140934c661
commit e41b789c99
3 changed files with 27 additions and 2 deletions
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16
ext/socket/sockport.h
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@ -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)