inet/tst-ntoa.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include <arpa/inet.h>
   4 #include <netinet/in.h>
   5
   6
   7 static int
   8 test (unsigned int inaddr, const char *expected)
   9 {
  10   struct in_addr addr;
  11   char *res;
  12   int fail;
  13
  14   addr.s_addr = htonl (inaddr);
  15   res = inet_ntoa (addr);
  16   fail = strcmp (res, expected);
  17
  18   printf ("%#010x -> \"%s\" -> %s%s\n", inaddr, res,
  19           fail ? "fail, expected" : "ok", fail ? expected : "");
  20
  21   return fail;
  22 }
  23
  24
  25 int
  26 main (void)
  27 {
  28   int result = 0;
  29
  30   result |= test (INADDR_LOOPBACK, "127.0.0.1");
  31   result |= test (INADDR_BROADCAST, "255.255.255.255");
  32   result |= test (INADDR_ANY, "0.0.0.0");
  33   result |= test (0xc0060746, "192.6.7.70");
  34
  35   return result;
  36 }