Move 'hosts' routines from 'inet' into 'nss'

The gethostby* and gethostent* routines are entry points for nss
functionality.  This commit moves them from the 'inet' subdirectory to
'nss'.
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/nss/tst-gethnm.c b/nss/tst-gethnm.c
new file mode 100644
index 0000000000..dd3a547811
--- /dev/null
+++ b/nss/tst-gethnm.c
@@ -0,0 +1,67 @@
+/* Based on a test case by grd@algonet.se.  */
+
+#include <netdb.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+static int
+do_test (void)
+{
+  struct hostent *ent;
+  struct in_addr hostaddr;
+  int result = 0;
+
+  inet_aton ("127.0.0.1", (struct in_addr *) &hostaddr.s_addr);
+  ent = gethostbyaddr (&hostaddr, sizeof (hostaddr), AF_INET);
+  if (ent == NULL)
+    puts ("gethostbyaddr (...) == NULL");
+  else
+    {
+      puts ("Using gethostbyaddr(..):");
+      printf ("h_name: %s\n", ent->h_name);
+
+      if (ent->h_aliases == NULL)
+	puts ("ent->h_aliases == NULL");
+      else
+	printf ("h_aliases[0]: %s\n", ent->h_aliases[0]);
+    }
+
+  ent = gethostbyname ("127.0.0.1");
+  if (ent == NULL)
+    {
+      puts ("gethostbyname (\"127.0.0.1\") == NULL");
+      result = 1;
+    }
+  else
+    {
+      printf ("\nNow using gethostbyname(..):\n");
+      printf ("h_name: %s\n", ent->h_name);
+      if (strcmp (ent->h_name, "127.0.0.1") != 0)
+	{
+	  puts ("ent->h_name != \"127.0.0.1\"");
+	  result = 1;
+	}
+
+      if (ent->h_aliases == NULL)
+	{
+	  puts ("ent->h_aliases == NULL");
+	  result = 1;
+	}
+      else
+	{
+	  printf ("h_aliases[0]: %s\n", ent->h_aliases[0]);
+	  result |= ent->h_aliases[0] != NULL;
+	}
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"