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 along
  16  * with this program; see the file COPYING; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #include <zebra.h>
  21
  22 #include <string.h>
  23 #include <netinet/in.h>
  24 #include <arpa/inet.h>
  25
  26 #include "pim_int.h"
  27
  28 uint32_t pim_read_uint32_host(const uint8_t *buf)
  29 {
  30   uint32_t val;
  31   memcpy(&val, buf, sizeof(val));
  32   /* val is in netorder */
  33   val = ntohl(val);
  34   /* val is in hostorder */
  35   return val;
  36 }
  37
  38 void pim_write_uint32(uint8_t *buf, uint32_t val_host)
  39 {
  40   /* val_host is in host order */
  41   val_host = htonl(val_host);
  42   /* val_host is in netorder */
  43   memcpy(buf, &val_host, sizeof(val_host));
  44 }