Problem - Kevin Tafuro

int opt = 1;
spc_socket_t *sock = 0;
if (!(sock = create_socket(type, protocol, host, port))) goto error_exit;
if (sock->domain = = PF_INET) {
if (setsockopt(sock->sd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) = = -1)
goto error_exit;
if (bind(sock->sd, sock->addr, sock->addrlen) = = -1) goto error_exit;
} else {
if (bind(sock->sd, sock->addr, sock->addrlen) = = -1) {
if (errno != EADDRINUSE) goto error_exit;
if (connect(sock->sd, sock->addr, sock->addrlen) != -1) goto error_exit;
remove(((struct sockaddr_un *)sock->addr)->sun_path);
if (bind(sock->sd, sock->addr, sock->addrlen) = = -1) goto error_exit;
}
}
sock->flags |= SPC_SOCKETFLAG_BOUND;
if (type = = SOCK_STREAM && listen(sock->sd, SOMAXCONN) = = -1) goto error_exit;
else sock->flags |= SPC_SOCKETFLAG_DGRAM;
return sock;
error_exit:
if (sock) spc_socket_close(sock);
return 0;
}
spc_socket_t *spc_socket_accept(spc_socket_t *sock) {
spc_socket_t *new_sock = 0;
if (!(new_sock = (spc_socket_t *)malloc(sizeof(spc_socket_t))))
goto error_exit;
new_sock->sd = INVALID_SOCKET;
new_sock->domain = sock->domain;
new_sock->addrlen = sock->addrlen;
new_sock->flags = 0;
if (!(new_sock->addr = (struct sockaddr *)malloc(sock->addrlen)))
goto error_exit;
if (!(new_sock->sd = accept(sock->sd, new_sock->addr, &(new_sock->addrlen))))
goto error_exit;
return new_sock;
error_exit:
if (new_sock) spc_socket_close(new_sock);
return 0;
}
spc_socket_t *spc_socket_connect(char *host, int port) {
spc_socket_t *sock = 0;
if (!(sock = create_socket(SOCK_STREAM, 0, host, port))) goto error_exit;
if (connect(sock->sd, sock->addr, sock->addrlen) = = -1) goto error_exit;
return sock;
480 | Chapter 9: Networking
This is the Title of the Book, eMatter Edition
Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved.