| 1 | /* Based on a test case by grd@algonet.se. */ |
|---|---|
| 2 | |
| 3 | #include <netdb.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <stdio.h> |
| 6 | #include <string.h> |
| 7 | #include <unistd.h> |
| 8 | #include <sys/param.h> |
| 9 | #include <sys/socket.h> |
| 10 | #include <netinet/in.h> |
| 11 | #include <arpa/inet.h> |
| 12 | |
| 13 | static int |
| 14 | do_test (void) |
| 15 | { |
| 16 | struct hostent *ent; |
| 17 | struct in_addr hostaddr; |
| 18 | int result = 0; |
| 19 | |
| 20 | inet_aton (cp: "127.0.0.1", inp: (struct in_addr *) &hostaddr.s_addr); |
| 21 | ent = gethostbyaddr (addr: &hostaddr, len: sizeof (hostaddr), AF_INET); |
| 22 | if (ent == NULL) |
| 23 | puts (s: "gethostbyaddr (...) == NULL"); |
| 24 | else |
| 25 | { |
| 26 | puts (s: "Using gethostbyaddr(..):"); |
| 27 | printf (format: "h_name: %s\n", ent->h_name); |
| 28 | |
| 29 | if (ent->h_aliases == NULL) |
| 30 | puts (s: "ent->h_aliases == NULL"); |
| 31 | else |
| 32 | printf (format: "h_aliases[0]: %s\n", ent->h_aliases[0]); |
| 33 | } |
| 34 | |
| 35 | ent = gethostbyname (name: "127.0.0.1"); |
| 36 | if (ent == NULL) |
| 37 | { |
| 38 | puts (s: "gethostbyname (\"127.0.0.1\") == NULL"); |
| 39 | result = 1; |
| 40 | } |
| 41 | else |
| 42 | { |
| 43 | printf (format: "\nNow using gethostbyname(..):\n"); |
| 44 | printf (format: "h_name: %s\n", ent->h_name); |
| 45 | if (strcmp (ent->h_name, "127.0.0.1") != 0) |
| 46 | { |
| 47 | puts (s: "ent->h_name != \"127.0.0.1\""); |
| 48 | result = 1; |
| 49 | } |
| 50 | |
| 51 | if (ent->h_aliases == NULL) |
| 52 | { |
| 53 | puts (s: "ent->h_aliases == NULL"); |
| 54 | result = 1; |
| 55 | } |
| 56 | else |
| 57 | { |
| 58 | printf (format: "h_aliases[0]: %s\n", ent->h_aliases[0]); |
| 59 | result |= ent->h_aliases[0] != NULL; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | return result; |
| 64 | } |
| 65 | |
| 66 | #define TEST_FUNCTION do_test () |
| 67 | #include "../test-skeleton.c" |
| 68 |