libgfortran/intrinsics/time.c

   1 /* Implementation of the TIME and TIME8 g77 intrinsics.
   2    Copyright (C) 2005 Free Software Foundation, Inc.
   3    Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
   4
   5 This file is part of the GNU Fortran 95 runtime library (libgfortran).
   6
   7 Libgfortran is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public
   9 License as published by the Free Software Foundation; either
  10 version 2 of the License, or (at your option) any later version.
  11
  12 In addition to the permissions in the GNU General Public License, the
  13 Free Software Foundation gives you unlimited permission to link the
  14 compiled version of this file into combinations with other programs,
  15 and to distribute those combinations without any restriction coming
  16 from the use of this file.  (The General Public License restrictions
  17 do apply in other respects; for example, they cover modification of
  18 the file, and distribution when not linked into a combine
  19 executable.)
  20
  21 Libgfortran is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public
  27 License along with libgfortran; see the file COPYING.  If not,
  28 write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  29 Boston, MA 02110-1301, USA.  */
  30
  31 #include "config.h"
  32 #include "libgfortran.h"
  33
  34 #ifdef TIME_WITH_SYS_TIME
  35 #  include <sys/time.h>
  36 #  include <time.h>
  37 #else
  38 #  if HAVE_SYS_TIME_H
  39 #    include <sys/time.h>
  40 #  else
  41 #    ifdef HAVE_TIME_H
  42 #      include <time.h>
  43 #    endif
  44 #  endif
  45 #endif
  46
  47 #include "../io/io.h"
  48
  49
  50 /* INTEGER(KIND=4) FUNCTION TIME()  */
  51
  52 #ifdef HAVE_TIME
  53 extern GFC_INTEGER_4 time_func (void);
  54 export_proto(time_func);
  55
  56 GFC_INTEGER_4
  57 time_func (void)
  58 {
  59   return (GFC_INTEGER_4) time (NULL);
  60 }
  61
  62 /* INTEGER(KIND=8) FUNCTION TIME8()  */
  63
  64 extern GFC_INTEGER_8 time8_func (void);
  65 export_proto(time8_func);
  66
  67 GFC_INTEGER_8
  68 time8_func (void)
  69 {
  70   return (GFC_INTEGER_8) time (NULL);
  71 }
  72 #endif