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35 lines
707 B
35 lines
707 B
#include <sys/types.h> |
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#include <sys/param.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include "socket.h" |
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#include "byte.h" |
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#include "haveip6.h" |
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#include "errno.h" |
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#include "ip6.h" |
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#ifndef IPV6_DROP_MEMBERSHIP |
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#ifdef IPV6_LEAVE_GROUP |
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#define IPV6_DROP_MEMBERSHIP IPV6_LEAVE_GROUP |
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#else |
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#undef LIBC_HAS_IP6 |
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#endif |
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#endif |
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int socket_mcleave6(int s,const char ip[16]) |
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{ |
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#ifdef LIBC_HAS_IP6 |
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struct ipv6_mreq opt; |
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#endif |
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if (ip6_isv4mapped(ip)) |
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return socket_mcleave4(s,ip+12); |
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#ifdef LIBC_HAS_IP6 |
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byte_copy(&opt.ipv6mr_multiaddr,16,ip); |
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opt.ipv6mr_interface=0; |
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return setsockopt(s,IPPROTO_IPV6,IPV6_DROP_MEMBERSHIP,&opt,sizeof opt); |
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#else |
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errno=EPROTONOSUPPORT; |
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return -1; |
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#endif |
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} |
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