FIXME: to support IPv6 */ Just conver numeric hostname to int and not do anything else. */
| 42 | /* FIXME: to support IPv6 */ |
| 43 | /* Just conver numeric hostname to int and not do anything else. */ |
| 44 | int |
| 45 | getaddrinfo(const char *hostname, const char *servername, |
| 46 | const struct addrinfo *hints, struct addrinfo **res) |
| 47 | { |
| 48 | if (hostname == NULL) |
| 49 | return EAI_NONAME; |
| 50 | |
| 51 | *res = NULL; |
| 52 | struct addrinfo *ai; |
| 53 | |
| 54 | ai = malloc(sizeof(struct addrinfo) + sizeof(struct sockaddr)); |
| 55 | if (ai == NULL) |
| 56 | return EAI_MEMORY; |
| 57 | |
| 58 | ai->ai_next = NULL; |
| 59 | ai->ai_canonname = NULL; |
| 60 | ai->ai_addr = (struct sockaddr *)(ai+1); |
| 61 | |
| 62 | struct sockaddr_in *si = (struct sockaddr_in *)ai->ai_addr; |
| 63 | si->sin_len = ai->ai_addrlen = sizeof(struct sockaddr); |
| 64 | si->sin_family = ai->ai_family = AF_INET; |
| 65 | /* si->sin_port ? */ |
| 66 | |
| 67 | if (hints != NULL) { |
| 68 | si->sin_family = ai->ai_family = hints->ai_family; |
| 69 | ai->ai_socktype = hints->ai_socktype; |
| 70 | } |
| 71 | |
| 72 | if (inet_pton(AF_INET, hostname, &si->sin_addr.s_addr) != 1) { |
| 73 | freeaddrinfo(ai); |
| 74 | return EAI_NONAME; |
| 75 | } |
| 76 | |
| 77 | *res = ai; |
| 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
| 82 | void |
| 83 | freeaddrinfo(struct addrinfo *ai) |