зеркало из https://github.com/github/ruby.git
85 строки
1.8 KiB
C
85 строки
1.8 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 SA_LEN
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# define SS_LEN(ss) (ss)->ss_len
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#else
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# ifdef HAVE_SA_LEN
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# define SA_LEN(sa) (sa)->sa_len
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# define SS_LEN(ss) (ss)->ss_len
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# else
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# ifdef AF_INET6
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# define SA_LEN(sa) \
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(((sa)->sa_family == AF_INET6) ? sizeof(struct sockaddr_in6) \
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: sizeof(struct sockaddr))
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# define SS_LEN(ss) \
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(((ss)->ss_family == AF_INET6) ? sizeof(struct sockaddr_in6) \
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: sizeof(struct sockaddr))
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# else
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/* by tradition, sizeof(struct sockaddr) covers most of the sockaddrs */
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# define SA_LEN(sa) (sizeof(struct sockaddr))
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# define SS_LEN(ss) (sizeof(struct sockaddr))
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# endif
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# endif
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#endif
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#ifdef HAVE_SA_LEN
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# define SET_SA_LEN(sa, len) (void)((sa)->sa_len = (len))
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# define SET_SS_LEN(ss, len) (void)((ss)->ss_len = (len))
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#else
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# define SET_SA_LEN(sa, len) (void)(len)
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# define SET_SS_LEN(ss, len) (void)(len)
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#endif
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#ifdef HAVE_SIN_LEN
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# define SIN_LEN(si) (si)->sin_len
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# define SET_SIN_LEN(si,len) (si)->sin_len = (len)
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#else
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# define SIN_LEN(si) sizeof(struct sockaddr_in)
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# define SET_SIN_LEN(si,len)
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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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