/**************************************************************************/
/*                                                                        */
/*                                 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 Lesser General Public License version 2.1, with the          */
/*   special exception on linking described in the file LICENSE.          */
/*                                                                        */
/**************************************************************************/

#include <caml/mlvalues.h>
#include <caml/fail.h>
#include <caml/alloc.h>
#include <caml/signals.h>
#include "unixsupport.h"
#include <errno.h>
#include <sys/types.h>
#ifdef HAS_DIRENT
#include <dirent.h>
typedef struct dirent directory_entry;
#else
#include <sys/dir.h>
typedef struct direct directory_entry;
#endif

CAMLprim value caml_unix_readdir(value vd)
{
  DIR * d;
  directory_entry * e;
  d = DIR_Val(vd);
  if (d == (DIR *) NULL) caml_unix_error(EBADF, "readdir", Nothing);
  caml_enter_blocking_section();
  e = readdir((DIR *) d);
  caml_leave_blocking_section();
  if (e == (directory_entry *) NULL) caml_raise_end_of_file();
  return caml_copy_string(e->d_name);
}