/* ISC license. */ #include #include #include #include #include #include #include #include int socket_connect4 (int s, char const *ip, uint16_t port) { struct sockaddr_in sa ; int r ; memset(&sa, 0, sizeof sa) ; sa.sin_family = AF_INET ; uint16_big_endian((char *)&port, 1) ; sa.sin_port = port ; memcpy(&sa.sin_addr.s_addr, ip, 4) ; do r = connect(s, (struct sockaddr *)&sa, sizeof sa) ; while ((r == -1) && (errno == EINTR)) ; if ((r == -1) && (errno == EALREADY)) errno = EINPROGRESS ; return r ; }