1  #include <stdbool.h>
       2  #include <stdio.h>
       3  #include <ifaddrs.h>
       4  #include <stdint.h>
       5  
       6  /* Internal definitions used in the libc code.  */
       7  #define __getservbyname_r getservbyname_r
       8  #define __socket socket
       9  #define __getsockname getsockname
      10  #define __inet_aton inet_aton
      11  #define __gethostbyaddr_r gethostbyaddr_r
      12  #define __gethostbyname2_r gethostbyname2_r
      13  #define __qsort_r qsort_r
      14  #define __stat64 stat64
      15  
      16  void
      17  attribute_hidden
      18  __check_pf (bool *p1, bool *p2, struct in6addrinfo **in6ai, size_t *in6ailen)
      19  {
      20    *p1 = *p2 = true;
      21    *in6ai = NULL;
      22    *in6ailen = 0;
      23  }
      24  
      25  void
      26  attribute_hidden
      27  __free_in6ai (struct in6addrinfo *ai)
      28  {
      29  }
      30  
      31  void
      32  attribute_hidden
      33  __check_native (uint32_t a1_index, int *a1_native,
      34  		uint32_t a2_index, int *a2_native)
      35  {
      36  }
      37  
      38  int
      39  attribute_hidden
      40  __idna_to_ascii_lz (const char *input, char **output, int flags)
      41  {
      42    return 0;
      43  }
      44  
      45  int
      46  attribute_hidden
      47  __idna_to_unicode_lzlz (const char *input, char **output, int flags)
      48  {
      49    *output = NULL;
      50    return 0;
      51  }
      52  
      53  void
      54  attribute_hidden
      55  _res_hconf_init (void)
      56  {
      57  }
      58  
      59  #undef	USE_NSCD
      60  #include "../sysdeps/posix/getaddrinfo.c"
      61  
      62  nss_action_list __nss_hosts_database attribute_hidden;
      63  
      64  /* This is the beginning of the real test code.  The above defines
      65     (among other things) the function rfc3484_sort.  */
      66  
      67  
      68  #if __BYTE_ORDER == __BIG_ENDIAN
      69  # define h(n) n
      70  #else
      71  # define h(n) __bswap_constant_32 (n)
      72  #endif
      73  
      74  struct sockaddr_in addrs[] =
      75  {
      76    { .sin_family = AF_INET, .sin_addr = { h (0x0aa85f19) } },
      77    { .sin_family = AF_INET, .sin_addr = { h (0xac105f19) } },
      78    { .sin_family = AF_INET, .sin_addr = { h (0xc0000219) } },
      79    { .sin_family = AF_INET, .sin_addr = { h (0xc0a86d1d) } },
      80    { .sin_family = AF_INET, .sin_addr = { h (0xc0a85d03) } },
      81    { .sin_family = AF_INET, .sin_addr = { h (0xc0a82c3d) } },
      82    { .sin_family = AF_INET, .sin_addr = { h (0xc0a86002) } },
      83    { .sin_family = AF_INET, .sin_addr = { h (0xc0a802f3) } },
      84    { .sin_family = AF_INET, .sin_addr = { h (0xc0a80810) } },
      85    { .sin_family = AF_INET, .sin_addr = { h (0xc0a85e02) } }
      86  };
      87  #define naddrs (sizeof (addrs) / sizeof (addrs[0]))
      88  static struct addrinfo ais[naddrs];
      89  static struct sort_result results[naddrs];
      90  static size_t order[naddrs];
      91  
      92  static int expected[naddrs] =
      93    {
      94      9, 4, 3, 6, 5, 7, 8, 2, 0, 1
      95    };
      96  
      97  
      98  ssize_t
      99  __getline (char **lineptr, size_t *n, FILE *s)
     100  {
     101    *lineptr = NULL;
     102    *n = 0;
     103    return 0;
     104  }
     105  
     106  
     107  static int
     108  do_test (void)
     109  {
     110    labels = default_labels;
     111    precedence = default_precedence;
     112    scopes= default_scopes;
     113  
     114    struct sockaddr_in so;
     115    so.sin_family = AF_INET;
     116    so.sin_addr.s_addr = h (0xc0a85f19);
     117    /* Clear the rest of the structure to avoid warnings.  */
     118    memset (so.sin_zero, '\0', sizeof (so.sin_zero));
     119  
     120    for (int i = 0; i < naddrs; ++i)
     121      {
     122        ais[i].ai_family = AF_INET;
     123        ais[i].ai_addr = (struct sockaddr *) &addrs[i];
     124        results[i].dest_addr = &ais[i];
     125        results[i].got_source_addr = true;
     126        memcpy(&results[i].source_addr, &so, sizeof (so));
     127        results[i].source_addr_len = sizeof (so);
     128        results[i].source_addr_flags = 0;
     129        results[i].prefixlen = 8;
     130        results[i].index = 0;
     131  
     132        order[i] = i;
     133      }
     134  
     135    struct sort_result_combo combo = { .results = results, .nresults = naddrs };
     136    qsort_r (order, naddrs, sizeof (order[0]), rfc3484_sort, &combo);
     137  
     138    int result = 0;
     139    for (int i = 0; i < naddrs; ++i)
     140      {
     141        struct in_addr addr = ((struct sockaddr_in *) (results[order[i]].dest_addr->ai_addr))->sin_addr;
     142  
     143        int here = memcmp (&addr, &addrs[expected[i]].sin_addr,
     144  			 sizeof (struct in_addr));
     145        printf ("[%d] = %s: %s\n", i, inet_ntoa (addr), here ? "FAIL" : "OK");
     146        result |= here;
     147      }
     148  
     149    return result;
     150  }
     151  
     152  #define TEST_FUNCTION do_test ()
     153  #include "../test-skeleton.c"