зеркало из https://github.com/github/ruby.git
117 строки
3.1 KiB
C
117 строки
3.1 KiB
C
/************************************************
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sockport.h -
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$Author$
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created at: Fri Apr 30 23:19:34 JST 1999
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************************************************/
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#ifndef SOCKPORT_H
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#define SOCKPORT_H
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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# define VALIDATE_SOCKLEN(addr, len) ((addr)->sa_len == (len))
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#else
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# define VALIDATE_SOCKLEN(addr, len) ((void)(addr), (void)(len), 1)
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#endif
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#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
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# define SET_SA_LEN(sa, len) (void)((sa)->sa_len = (len))
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#else
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# define SET_SA_LEN(sa, len) (void)(len)
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#endif
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/* for strict-aliasing rule */
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#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
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# define SET_SIN_LEN(sa, len) (void)((sa)->sin_len = (len))
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#else
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# define SET_SIN_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len))
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#endif
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#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
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# define SET_SIN6_LEN(sa, len) (void)((sa)->sin6_len = (len))
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#else
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# define SET_SIN6_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len))
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#endif
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#define INIT_SOCKADDR(addr, family, len) \
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do { \
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struct sockaddr *init_sockaddr_ptr = (addr); \
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socklen_t init_sockaddr_len = (len); \
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memset(init_sockaddr_ptr, 0, init_sockaddr_len); \
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init_sockaddr_ptr->sa_family = (family); \
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SET_SA_LEN(init_sockaddr_ptr, init_sockaddr_len); \
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} while (0)
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#define INIT_SOCKADDR_IN(addr, len) \
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do { \
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struct sockaddr_in *init_sockaddr_ptr = (addr); \
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socklen_t init_sockaddr_len = (len); \
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memset(init_sockaddr_ptr, 0, init_sockaddr_len); \
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init_sockaddr_ptr->sin_family = AF_INET; \
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SET_SIN_LEN(init_sockaddr_ptr, init_sockaddr_len); \
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} while (0)
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#define INIT_SOCKADDR_IN6(addr, len) \
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do { \
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struct sockaddr_in6 *init_sockaddr_ptr = (addr); \
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socklen_t init_sockaddr_len = (len); \
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memset(init_sockaddr_ptr, 0, init_sockaddr_len); \
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init_sockaddr_ptr->sin6_family = AF_INET6; \
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SET_SIN6_LEN(init_sockaddr_ptr, init_sockaddr_len); \
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} while (0)
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/* for strict-aliasing rule */
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#ifdef HAVE_TYPE_STRUCT_SOCKADDR_UN
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# ifdef HAVE_STRUCT_SOCKADDR_IN_SUN_LEN
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# define SET_SUN_LEN(sa, len) (void)((sa)->sun_len = (len))
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# else
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# define SET_SUN_LEN(sa, len) SET_SA_LEN((struct sockaddr *)(sa), (len))
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# endif
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# define INIT_SOCKADDR_UN(addr, len) \
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do { \
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struct sockaddr_un *init_sockaddr_ptr = (addr); \
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socklen_t init_sockaddr_len = (len); \
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memset(init_sockaddr_ptr, 0, init_sockaddr_len); \
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init_sockaddr_ptr->sun_family = AF_UNIX; \
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SET_SUN_LEN(init_sockaddr_ptr, init_sockaddr_len); \
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} while (0)
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#endif
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#ifndef IN_MULTICAST
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# define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
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# define IN_MULTICAST(i) IN_CLASSD(i)
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#endif
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#ifndef IN_EXPERIMENTAL
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# define IN_EXPERIMENTAL(i) ((((long)(i)) & 0xe0000000) == 0xe0000000)
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#endif
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#ifndef IN_CLASSA_NSHIFT
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# define IN_CLASSA_NSHIFT 24
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#endif
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#ifndef IN_LOOPBACKNET
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# define IN_LOOPBACKNET 127
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#endif
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#ifndef AF_UNSPEC
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# define AF_UNSPEC 0
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#endif
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#ifndef PF_UNSPEC
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# define PF_UNSPEC AF_UNSPEC
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#endif
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#ifndef PF_INET
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# define PF_INET AF_INET
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#endif
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#if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
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extern int h_errno;
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#endif
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#endif
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