release/src/router/miniupnpd/upnputils.h

   1 /* $Id: upnputils.h,v 1.6 2014/03/31 12:32:57 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2011-2013 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7
   8 #ifndef UPNPUTILS_H_INCLUDED
   9 #define UPNPUTILS_H_INCLUDED
  10
  11 /**
  12  * convert a struct sockaddr to a human readable string.
  13  * [ipv6]:port or ipv4:port
  14  * return the number of characters used (as snprintf)
  15  */
  16 int
  17 sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size);
  18
  19 /**
  20  * set the file description as non blocking
  21  * return 0 in case of failure, 1 in case of success
  22  */
  23 int
  24 set_non_blocking(int fd);
  25
  26 /**
  27  * get the LAN which the peer belongs to
  28  */
  29 struct lan_addr_s *
  30 get_lan_for_peer(const struct sockaddr * peer);
  31
  32
  33 /**
  34  * define portability macros
  35  */
  36 #if defined(__sun)
  37 static size_t _sa_len(const struct sockaddr *addr)
  38 {
  39         if (addr->sa_family == AF_INET)
  40                 return (sizeof(struct sockaddr_in));
  41         else if (addr->sa_family == AF_INET6)
  42                 return (sizeof(struct sockaddr_in6));
  43         else
  44                 return (sizeof(struct sockaddr));
  45 }
  46 # define SA_LEN(sa) (_sa_len(sa))
  47 #else
  48 #if !defined(SA_LEN)
  49 # define SA_LEN(sa) ((sa)->sa_len)
  50 #endif
  51 #endif
  52
  53 #ifndef MAX
  54 # define MAX(a,b) (((a)>(b))?(a):(b))
  55 #endif
  56
  57 #endif
  58