pimd/pim_str.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 <stdio.h>
  24 #include <errno.h>
  25 #include <string.h>
  26
  27 #include "log.h"
  28
  29 #include "pim_str.h"
  30
  31 void pim_inet4_dump(const char *onfail, struct in_addr addr, char *buf, int buf_size)
  32 {
  33   int save_errno = errno;
  34
  35   if (!inet_ntop(AF_INET, &addr, buf, buf_size)) {
  36     int e = errno;
  37     zlog_warn("pim_inet4_dump: inet_ntop(AF_INET,buf_size=%d): errno=%d: %s",
  38               buf_size, e, safe_strerror(e));
  39     if (onfail)
  40       snprintf(buf, buf_size, "%s", onfail);
  41   }
  42
  43   errno = save_errno;
  44 }