[pim] Fix net/host byte order
diff --git a/pimd/pim_int.c b/pimd/pim_int.c
new file mode 100644
index 0000000..2ff1a11
--- /dev/null
+++ b/pimd/pim_int.c
@@ -0,0 +1,44 @@
+/*
+  PIM for Quagga
+  Copyright (C) 2008  Everton da Silva Marques
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  General Public License for more details.
+  
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING; if not, write to the
+  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+  MA 02110-1301 USA
+  
+  $QuaggaId: $Format:%an, %ai, %h$ $
+*/
+
+#include <string.h>
+#include <netinet/in.h>
+
+#include "pim_int.h"
+
+uint32_t pim_read_uint32_host(const uint8_t *buf)
+{
+  uint32_t val;
+  memcpy(&val, buf, sizeof(val));
+  /* val is in netorder */
+  val = ntohl(val);
+  /* val is in hostorder */
+  return val;
+}
+
+void pim_write_uint32(uint8_t *buf, uint32_t val_host)
+{
+  /* val_host is in host order */
+  val_host = htonl(val_host);
+  /* val_host is in netorder */
+  memcpy(buf, &val_host, sizeof(val_host));
+}