otherlibs/unix/getpeername.c

   1 /***********************************************************************/
   2 /*                                                                     */
   3 /*                           Objective Caml                            */
   4 /*                                                                     */
   5 /*            Xavier Leroy, projet Cristal, INRIA Rocquencourt         */
   6 /*                                                                     */
   7 /*  Copyright 1996 Institut National de Recherche en Informatique et   */
   8 /*  en Automatique.  All rights reserved.  This file is distributed    */
   9 /*  under the terms of the GNU Library General Public License, with    */
  10 /*  the special exception on linking described in file ../../LICENSE.  */
  11 /*                                                                     */
  12 /***********************************************************************/
  13
  14 /* $Id$ */
  15
  16 #include <fail.h>
  17 #include <mlvalues.h>
  18 #include "unixsupport.h"
  19
  20 #ifdef HAS_SOCKETS
  21
  22 #include "socketaddr.h"
  23
  24 CAMLprim value unix_getpeername(value sock)
  25 {
  26   int retcode;
  27   union sock_addr_union addr;
  28   socklen_param_type addr_len;
  29
  30   addr_len = sizeof(addr);
  31   retcode = getpeername(Int_val(sock), &addr.s_gen, &addr_len);
  32   if (retcode == -1) uerror("getpeername", Nothing);
  33   return alloc_sockaddr(&addr, addr_len, -1);
  34 }
  35
  36 #else
  37
  38 CAMLprim value unix_getpeername(value sock)
  39 { invalid_argument("getpeername not implemented"); }
  40
  41 #endif