//
// IP gethostname
//

#include "netlib.h"

const char *ip_host2name( char *buf, int max, const struct sockaddr_storage *sa )
{
  const char *s = NULL;
  
  switch (sa->ss_family)
  {
    case AF_INET:
      s = inet_ntop(sa->ss_family,
                    &((struct sockaddr_in *)sa)->sin_addr,
                    buf, max);
      break;
    case AF_INET6:
      s = inet_ntop(sa->ss_family,
                    &((struct sockaddr_in6 *)sa)->sin6_addr,
                    buf, max);
      break;
  }
  if ( s )
    return s;
  
  return strerror(errno);
}

int ip_name2host( const char *buf, struct sockaddr_storage *sa )
{
  // from string
  switch (sa->ss_family)
  {
    case AF_INET:
      return inet_pton(sa->ss_family, buf,
                       &((struct sockaddr_in *)sa)->sin_addr );
      break;
    case AF_INET6:
      return inet_pton(sa->ss_family, buf,
                       &((struct sockaddr_in6 *)sa)->sin6_addr );
      break;
  }
  return EAFNOSUPPORT;
}