This time, the program you provide work perfectly.
But when I use another program to test, the result
is"SCTP_GET_LOCAL_ADDRESS:no such file or directory".
/*My own program have the same set with the program you provide, that means
the ip address is the same and both programs have same "Server to be
connected" .
The "siz" refered in the following code is different with the value I get
from my another program*/
if (getsockopt(_sctp_socket, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
&siz) != 0) {
perror("SCTP_GET_LOCAL_ADDRESSES");
return (-1);
}
printf("siz = %u.\n", siz);
As far as I know, then getsockopt is fail, the return value is -1, and the
errno is set as one of following values 1.EBADF, 2.ENOTSOCK, 3.ENOPROTOOPT
4.EFAULT, 5.EINVAL . In my own program I use return_value =
getsockopt(_sctp_socket, IPPROTO_SCTP, SCTP_GET_LOCAL_ADDRESSES, addrs,
&siz), the value of return_value is -1, so it means an error happened and
errno will be set. A strange thing happens, the errno is not the values
refered above.
Thanks.
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