Problem - Kevin Tafuro

struct sockaddr_un *addr_unix;
*domain = PF_LOCAL;
addrlen = sizeof(struct sockaddr_un);
if (!(*addr = (struct sockaddr *)malloc(addrlen))) return 0;
addr_unix = (struct sockaddr_un *)*addr;
addr_unix->sun_family = AF_LOCAL;
snprintf(addr_unix->sun_path, sizeof(addr_unix->sun_path),
"/tmp/127.0.0.1:%d", port);
#ifndef linux
addr_unix->sun_len = SUN_LEN(addr_unix) + 1;
#endif
return addrlen;
}
#endif
*domain = PF_INET;
addrlen = sizeof(struct sockaddr_in);
if (!(*addr = (struct sockaddr *)malloc(addrlen))) return 0;
addr_inet = (struct sockaddr_in *)*addr;
addr_inet->sin_family = AF_INET;
addr_inet->sin_port = htons(port);
addr_inet->sin_addr.s_addr = ipaddr;
return addrlen;
}
static spc_socket_t *create_socket(int type, int protocol, char *host, int port) {
spc_socket_t *sock;
if (!(sock = (spc_socket_t *)malloc(sizeof(spc_socket_t)))) return 0;
sock->sd = INVALID_SOCKET;
sock->addr = 0;
sock->flags = 0;
if (!(sock->addrlen = make_sockaddr(&sock->domain, &sock->addr, host, port)))
goto error_exit;
if ((sock->sd = socket(sock->domain, type, protocol)) = = INVALID_SOCKET)
goto error_exit;
return sock;
error_exit:
if (sock) spc_socket_close(sock);
return 0;
}
void spc_socket_close(spc_socket_t *sock) {
if (!sock) return;
if (sock->sd != INVALID_SOCKET) closesocket(sock->sd);
if (sock->domain = = PF_LOCAL && (sock->flags & SPC_SOCKETFLAG_BOUND))
remove(((struct sockaddr_un *)sock->addr)->sun_path);
if (sock->addr) free(sock->addr);
free(sock);
}
spc_socket_t *spc_socket_listen(int type, int protocol, char *host, int port) {
Performing Interprocess Communication Using Sockets | 479
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