C++ (Cpp) GET_INET_ADDR Examples

Example #1

File: gethost.c Project: stedolan/ocaml

CAMLprim value unix_gethostbyaddr(value a)
{
  struct in_addr adr = GET_INET_ADDR(a);
  struct hostent * hp;
#if HAS_GETHOSTBYADDR_R == 7
  struct hostent h;
  char buffer[NETDB_BUFFER_SIZE];
  int h_errnop;
  enter_blocking_section();
  hp = gethostbyaddr_r((char *) &adr, 4, AF_INET,
                       &h, buffer, sizeof(buffer), &h_errnop);
  leave_blocking_section();
#elif HAS_GETHOSTBYADDR_R == 8
  struct hostent h;
  char buffer[NETDB_BUFFER_SIZE];
  int h_errnop, rc;
  enter_blocking_section();
  rc = gethostbyaddr_r((char *) &adr, 4, AF_INET,
                       &h, buffer, sizeof(buffer), &hp, &h_errnop);
  leave_blocking_section();
  if (rc != 0) hp = NULL;
#else
#ifdef GETHOSTBYADDR_IS_REENTRANT
  enter_blocking_section();
#endif
  hp = gethostbyaddr((char *) &adr, 4, AF_INET);
#ifdef GETHOSTBYADDR_IS_REENTRANT
  leave_blocking_section();
#endif
#endif
  if (hp == (struct hostent *) NULL) raise_not_found();
  return alloc_host_entry(hp);
}

Example #2

File: strofaddr.c Project: bmeurer/ocaml-arm

CAMLprim value unix_string_of_inet_addr(value a)
{
  char * res;
#ifdef HAS_IPV6
  char buffer[64];
  if (string_length(a) == 16)
    res = (char *)
      inet_ntop(AF_INET6, (const void *) &GET_INET6_ADDR(a),
                buffer, sizeof(buffer));
  else
    res = (char *)
      inet_ntop(AF_INET, (const void *) &GET_INET_ADDR(a),
                buffer, sizeof(buffer));
#else
  res = inet_ntoa(GET_INET_ADDR(a));
#endif
  if (res == NULL) uerror("string_of_inet_addr", Nothing);
  return copy_string(res);
}

Example #3

File: socketaddr.c Project: ocsigen/ocaml-eliom

void get_sockaddr(value mladr,
                  union sock_addr_union * adr /*out*/,
                  socklen_param_type * adr_len /*out*/)
{
  switch(Tag_val(mladr)) {
#ifndef _WIN32
  case 0:                       /* ADDR_UNIX */
    { value path;
      mlsize_t len;
      path = Field(mladr, 0);
      len = string_length(path);
      adr->s_unix.sun_family = AF_UNIX;
      if (len >= sizeof(adr->s_unix.sun_path)) {
        unix_error(ENAMETOOLONG, "", path);
      }
      /* "Abstract" sockets in Linux have names starting with '\0' */
      if (Byte(path, 0) != 0 && ! caml_string_is_c_safe(path)) {
        unix_error(ENOENT, "", path);
      }
      memmove (adr->s_unix.sun_path, String_val(path), len + 1);
      *adr_len =
        ((char *)&(adr->s_unix.sun_path) - (char *)&(adr->s_unix))
        + len;
      break;
    }
#endif
  case 1:                       /* ADDR_INET */
#ifdef HAS_IPV6
    if (string_length(Field(mladr, 0)) == 16) {
      memset(&adr->s_inet6, 0, sizeof(struct sockaddr_in6));
      adr->s_inet6.sin6_family = AF_INET6;
      adr->s_inet6.sin6_addr = GET_INET6_ADDR(Field(mladr, 0));
      adr->s_inet6.sin6_port = htons(Int_val(Field(mladr, 1)));
#ifdef SIN6_LEN
      adr->s_inet6.sin6_len = sizeof(struct sockaddr_in6);
#endif
      *adr_len = sizeof(struct sockaddr_in6);
      break;
    }
#endif
    memset(&adr->s_inet, 0, sizeof(struct sockaddr_in));
    adr->s_inet.sin_family = AF_INET;
    adr->s_inet.sin_addr = GET_INET_ADDR(Field(mladr, 0));
    adr->s_inet.sin_port = htons(Int_val(Field(mladr, 1)));
#ifdef SIN6_LEN
    adr->s_inet.sin_len = sizeof(struct sockaddr_in);
#endif
    *adr_len = sizeof(struct sockaddr_in);
    break;
  }
}