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

/* This is not presently used. We need to bring in the win32unix implementation
 * too and have the correct one chosen. Also need to copy across the OCaml
 * interface to these functions */

#include <caml/mlvalues.h>
#include <caml/alloc.h>
#include <caml/fail.h>
#include <caml/memory.h>
#include <sys/time.h>

double cpdf_unix_gettimeofday_unboxed(value unit)
{
  struct timeval tp;
  gettimeofday(&tp, NULL);
  return ((double) tp.tv_sec + (double) tp.tv_usec / 1e6);
}

CAMLprim value cpdf_unix_gettimeofday(value unit)
{
  return caml_copy_double(cpdf_unix_gettimeofday_unboxed(unit));
}

static value cpdf_alloc_tm(struct tm *tm)
{
  value res;
  res = caml_alloc_small(9, 0);
  Field(res,0) = Val_int(tm->tm_sec);
  Field(res,1) = Val_int(tm->tm_min);
  Field(res,2) = Val_int(tm->tm_hour);
  Field(res,3) = Val_int(tm->tm_mday);
  Field(res,4) = Val_int(tm->tm_mon);
  Field(res,5) = Val_int(tm->tm_year);
  Field(res,6) = Val_int(tm->tm_wday);
  Field(res,7) = Val_int(tm->tm_yday);
  Field(res,8) = tm->tm_isdst ? Val_true : Val_false;
  return res;
}

CAMLprim value cpdf_unix_localtime(value t)
{
  time_t clock;
  struct tm * tm;
  clock = (time_t) Double_val(t);
  tm = localtime(&clock);
  return cpdf_alloc_tm(tm);
}