| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | #include <arpa/inet.h> |
| 2 | #include <errno.h> |
| 3 | #include <netinet/in.h> |
| 4 | #include <stdio.h> |
| 5 | #include <string.h> |
| 6 | |
| 7 | static int |
| 8 | do_test (void) |
| 9 | { |
| 10 | struct in_addr addr4; |
| 11 | struct in6_addr addr6; |
| 12 | char buf[64]; |
| 13 | int result = 0; |
| 14 | |
| 15 | addr4.s_addr = 0xe0e0e0e0; |
| 16 | addr6.s6_addr16[0] = 0; |
| 17 | addr6.s6_addr16[1] = 0; |
| 18 | addr6.s6_addr16[2] = 0; |
| 19 | addr6.s6_addr16[3] = 0; |
| 20 | addr6.s6_addr16[4] = 0; |
| 21 | addr6.s6_addr16[5] = 0xffff; |
| 22 | addr6.s6_addr32[3] = 0xe0e0e0e0; |
| 23 | memset (buf, 'x', sizeof buf); |
| 24 | |
| 25 | if (inet_ntop (AF_INET, &addr4, buf, 15) != NULL) |
| 26 | { |
| 27 | puts ("1st inet_ntop returned non-NULL"); |
| 28 | result++; |
| 29 | } |
| 30 | else if (errno != ENOSPC) |
| 31 | { |
| 32 | puts ("1st inet_ntop didn't fail with ENOSPC"); |
| 33 | result++; |
| 34 | } |
| 35 | if (buf[15] != 'x') |
| 36 | { |
| 37 | puts ("1st inet_ntop wrote past the end of buffer"); |
| 38 | result++; |
| 39 | } |
| 40 | |
| 41 | if (inet_ntop (AF_INET, &addr4, buf, 16) != buf) |
| 42 | { |
| 43 | puts ("2nd inet_ntop did not return buf"); |
| 44 | result++; |
| 45 | } |
| 46 | if (memcmp (buf, "224.224.224.224\0" "xxxxxxxx", 24) != 0) |
| 47 | { |
| 48 | puts ("2nd inet_ntop wrote past the end of buffer"); |
| 49 | result++; |
| 50 | } |
| 51 | |
| 52 | if (inet_ntop (AF_INET6, &addr6, buf, 22) != NULL) |
| 53 | { |
| 54 | puts ("3rd inet_ntop returned non-NULL"); |
| 55 | result++; |
| 56 | } |
| 57 | else if (errno != ENOSPC) |
| 58 | { |
| 59 | puts ("3rd inet_ntop didn't fail with ENOSPC"); |
| 60 | result++; |
| 61 | } |
| 62 | if (buf[22] != 'x') |
| 63 | { |
| 64 | puts ("3rd inet_ntop wrote past the end of buffer"); |
| 65 | result++; |
| 66 | } |
| 67 | |
| 68 | if (inet_ntop (AF_INET6, &addr6, buf, 23) != buf) |
| 69 | { |
| 70 | puts ("4th inet_ntop did not return buf"); |
| 71 | result++; |
| 72 | } |
| 73 | if (memcmp (buf, "::ffff:224.224.224.224\0" "xxxxxxxx", 31) != 0) |
| 74 | { |
| 75 | puts ("4th inet_ntop wrote past the end of buffer"); |
| 76 | result++; |
| 77 | } |
| 78 | |
| 79 | memset (&addr6.s6_addr, 0xe0, sizeof (addr6.s6_addr)); |
| 80 | |
| 81 | if (inet_ntop (AF_INET6, &addr6, buf, 39) != NULL) |
| 82 | { |
| 83 | puts ("5th inet_ntop returned non-NULL"); |
| 84 | result++; |
| 85 | } |
| 86 | else if (errno != ENOSPC) |
| 87 | { |
| 88 | puts ("5th inet_ntop didn't fail with ENOSPC"); |
| 89 | result++; |
| 90 | } |
| 91 | if (buf[39] != 'x') |
| 92 | { |
| 93 | puts ("5th inet_ntop wrote past the end of buffer"); |
| 94 | result++; |
| 95 | } |
| 96 | |
| 97 | if (inet_ntop (AF_INET6, &addr6, buf, 40) != buf) |
| 98 | { |
| 99 | puts ("6th inet_ntop did not return buf"); |
| 100 | result++; |
| 101 | } |
| 102 | if (memcmp (buf, "e0e0:e0e0:e0e0:e0e0:e0e0:e0e0:e0e0:e0e0\0" |
| 103 | "xxxxxxxx", 48) != 0) |
| 104 | { |
| 105 | puts ("6th inet_ntop wrote past the end of buffer"); |
| 106 | result++; |
| 107 | } |
| 108 | |
| 109 | |
| 110 | return result; |
| 111 | } |
| 112 | |
| 113 | #define TEST_FUNCTION do_test () |
| 114 | #include "../test-skeleton.c" |