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57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
15 years ago
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#include <sys/types.h>
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#ifndef __MINGW32__
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#endif
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#include "windoze.h"
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#include <errno.h>
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#include "haveip6.h"
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#include "socket.h"
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#include "ndelay.h"
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#ifndef EAFNOSUPPORT
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#define EAFNOSUPPORT EINVAL
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#endif
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#ifndef EPFNOSUPPORT
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#define EPFNOSUPPORT EAFNOSUPPORT
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#endif
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#ifndef EPROTONOSUPPORT
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#define EPROTONOSUPPORT EAFNOSUPPORT
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#endif
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int socket_sctp6b(void)
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{
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#ifndef IPPROTO_SCTP
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errno=EPROTONOSUPPORT;
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return -1;
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#else
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#ifdef LIBC_HAS_IP6
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int s;
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__winsock_init();
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if (noipv6) goto compat;
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s = winsock2errno(socket(PF_INET6,SOCK_STREAM,IPPROTO_SCTP));
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if (s == -1) {
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if (errno == EINVAL || errno == EAFNOSUPPORT || errno == EPFNOSUPPORT || errno == EPROTONOSUPPORT) {
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compat:
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s=winsock2errno(socket(AF_INET,SOCK_STREAM,IPPROTO_SCTP));
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noipv6=1;
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if (s==-1) return -1;
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} else
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return -1;
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}
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#ifdef IPV6_V6ONLY
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{
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int zero=0;
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winsock2errno(setsockopt(s,IPPROTO_IPV6,IPV6_V6ONLY,(void*)&zero,sizeof(zero)));
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}
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#endif
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return s;
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#else
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return socket_sctp4b();
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#endif
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#endif
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}
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