inet/tst-getni2.c

   1 #include <netdb.h>
   2 #include <stdio.h>
   3 #include <sys/socket.h>
   4
   5 static int
   6 do_test (void)
   7 {
   8   int retval = 0;
   9
  10   struct sockaddr_in6 s;
  11   s.sin6_family = AF_INET6;
  12   s.sin6_port = htons (80);
  13   s.sin6_flowinfo = 0;
  14   s.sin6_addr = (struct in6_addr) IN6ADDR_ANY_INIT;
  15   s.sin6_scope_id = 0;
  16   char buf[1000];
  17   buf[0] = '\0';
  18   int r = getnameinfo((struct sockaddr *) &s, sizeof (s), buf, sizeof (buf),
  19                       NULL, 0, NI_NUMERICSERV);
  20   printf("r = %d, buf = \"%s\"\n", r, buf);
  21   if (r != 0)
  22     {
  23       puts ("failed without NI_NAMEREQD");
  24       retval = 1;
  25     }
  26
  27   buf[0] = '\0';
  28   r = getnameinfo((struct sockaddr *) &s, sizeof (s), buf, sizeof (buf),
  29                   NULL, 0, NI_NUMERICSERV | NI_NAMEREQD);
  30   printf("r = %d, buf = \"%s\"\n", r, buf);
  31   if (r != EAI_NONAME)
  32     {
  33       puts ("did not fail with EAI_NONAME with NI_NAMEREQD set");
  34       retval = 1;
  35     }
  36
  37   return retval;
  38 }
  39
  40 #define TEST_FUNCTION do_test ()
  41 #include "../test-skeleton.c"