pimd/pim_int.c

   1 /*
   2   PIM for Quagga
   3   Copyright (C) 2008  Everton da Silva Marques
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful, but
  11   WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13   General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program; see the file COPYING; if not, write to the
  17   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  18   MA 02110-1301 USA
  19 */
  20
  21 #include <zebra.h>
  22
  23 #include <string.h>
  24 #include <netinet/in.h>
  25 #include <arpa/inet.h>
  26
  27 #include "pim_int.h"
  28
  29 uint32_t pim_read_uint32_host(const uint8_t *buf)
  30 {
  31   uint32_t val;
  32   memcpy(&val, buf, sizeof(val));
  33   /* val is in netorder */
  34   val = ntohl(val);
  35   /* val is in hostorder */
  36   return val;
  37 }
  38
  39 void pim_write_uint32(uint8_t *buf, uint32_t val_host)
  40 {
  41   /* val_host is in host order */
  42   val_host = htonl(val_host);
  43   /* val_host is in netorder */
  44   memcpy(buf, &val_host, sizeof(val_host));
  45 }