ocaml/otherlibs/unix/getpeername.c

40 lines
1.4 KiB
C

/***********************************************************************/
/* */
/* OCaml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License, with */
/* the special exception on linking described in file ../../LICENSE. */
/* */
/***********************************************************************/
#include <caml/fail.h>
#include <caml/mlvalues.h>
#include "unixsupport.h"
#ifdef HAS_SOCKETS
#include "socketaddr.h"
CAMLprim value unix_getpeername(value sock)
{
int retcode;
union sock_addr_union addr;
socklen_param_type addr_len;
addr_len = sizeof(addr);
retcode = getpeername(Int_val(sock), &addr.s_gen, &addr_len);
if (retcode == -1) uerror("getpeername", Nothing);
return alloc_sockaddr(&addr, addr_len, -1);
}
#else
CAMLprim value unix_getpeername(value sock)
{ invalid_argument("getpeername not implemented"); }
#endif