test/inet/tst-res.c

   1 #include <stdlib.h>
   2 #include <assert.h>
   3 #include <sys/types.h>
   4 #include <netinet/in.h>
   5 #include <arpa/nameser.h>
   6 #include <resolv.h>
   7 #include <netdb.h>
   8
   9 int main(int argc, char **argv)
  10 {
  11     int r;
  12     struct __res_state state;
  13
  14     r = res_ninit(&state);
  15     if (r) {
  16         herror("ninit");
  17                 abort();
  18         }
  19     r = res_init();
  20     if (r) {
  21         herror("init");
  22                 abort();
  23         }
  24
  25 #ifdef __UCLIBC_HAS_BSD_RES_CLOSE__
  26     res_close();
  27 #endif
  28 #ifdef __UCLIBC__
  29         /* assume there is at least one resolver configured */
  30         assert (state._u._ext.nscount > 0);
  31 #else
  32         assert (state._u._ext.nscount == 0);
  33 #endif
  34         assert (state.options & RES_INIT);
  35     res_nclose(&state);
  36 #ifdef __UCLIBC__
  37         /* We wipe the whole thing */
  38         assert ((state.options & RES_INIT) == 0);
  39 #endif
  40         assert (state._u._ext.nscount == 0);
  41
  42     return 0;
  43 }
  44