/**
 * @file    util.c
 * @brief   Supporting functions for example code
 * @author  Ben Bornstein
 *
 * <!--------------------------------------------------------------------------
 * This sample program is distributed under a different license than the rest
 * of libSBML.  This program uses the open-source MIT license, as follows:
 *
 * Copyright (c) 2013-2015 by the California Institute of Technology
 * (California, USA), the European Bioinformatics Institute (EMBL-EBI, UK)
 * and the University of Heidelberg (Germany), with support from the National
 * Institutes of Health (USA) under grant R01GM070923.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 *
 * Neither the name of the California Institute of Technology (Caltech), nor
 * of the European Bioinformatics Institute (EMBL-EBI), nor of the University
 * of Heidelberg, nor the names of any contributors, may be used to endorse
 * or promote products derived from this software without specific prior
 * written permission.
 * ------------------------------------------------------------------------ -->
 */


#include <stddef.h>
#include <sys/stat.h>

#if defined(WIN32) && !defined(CYGWIN)
#  include <windows.h>
#else
#  include <sys/time.h>
#endif /* WIN32 && !CYGWIN */

#include <sbml/common/extern.h>

BEGIN_C_DECLS


/**
 * @return the number of milliseconds elapsed since the Epoch.
 */
#ifdef __BORLANDC__
unsigned long
#else 
unsigned long long
#endif
getCurrentMillis (void)
{
#ifdef __BORLANDC__
  unsigned long result = 0;
#else
  unsigned long long result = 0;
#endif

#ifdef __BORLANDC__
  result = (unsigned long) GetTickCount();
#else
#if WIN32 && !defined(CYGWIN)

  result = (unsigned long long) GetTickCount();

#else

  struct timeval tv;

  if (gettimeofday(&tv, 0) == 0)
  {
    result = (unsigned long long)
    (
     (tv.tv_sec * (time_t) 1000) + (tv.tv_usec * .001)
    );
  }

#endif /* WIN32 && !CYGWIN */
#endif

  return result;
}


/**
 * @return the size (in bytes) of the given filename.
 */
unsigned long
getFileSize (const char* filename)
{
  struct stat   s;
  unsigned long result = 0;


  if (stat(filename, &s) == 0)
  {
    result = s.st_size;
  }

  return result;
}

END_C_DECLS

