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33 lines
546 B
C
33 lines
546 B
C
#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.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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#ifndef EAFNOSUPPORT
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#define EAFNOSUPPORT EINVAL
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#endif
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int socket_udp6(void)
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{
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#ifdef LIBC_HAS_IP6
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int s;
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if (noipv6) goto compat;
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s = socket(PF_INET6,SOCK_DGRAM,0);
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if (s == -1) {
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if (errno == EINVAL || errno == EAFNOSUPPORT) {
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compat:
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s=socket(AF_INET,SOCK_DGRAM,0);
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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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return s;
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#else
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return socket_udp();
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#endif
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}
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