(output_hostent): Don't crash if h_aliases is NULL.

diff --git a/nss/test-netdb.c b/nss/test-netdb.c
index 358d072..dae4fad 100644 (file)
--- a/nss/test-netdb.c
+++ b/nss/test-netdb.c
@@ -122,8 +122,9 @@ output_hostent (const char *call, struct hostent *hptr)
     {
       printf ("Call: %s returned: name: %s, addr_type: %d\n",
              call, hptr->h_name, hptr->h_addrtype);
-      for (pptr = hptr->h_aliases; *pptr != NULL; pptr++)
-       printf ("  alias: %s\n", *pptr);
+      if (hptr->h_aliases)
+       for (pptr = hptr->h_aliases; *pptr != NULL; pptr++)
+         printf ("  alias: %s\n", *pptr);
 
       for (pptr = hptr->h_addr_list; *pptr != NULL; pptr++)
        printf ("  ip: %s\n",