/*
*      Lame time routines source file
*
*      Copyright (c) 2000 Mark Taylor
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/

/* $Id: lametime.c,v 1.10 2001/02/26 18:57:20 markt Exp $ */

/*
* name:        GetCPUTime ( void )
*
* description: returns CPU time used by the process
* input:       none
* output:      time in seconds
* known bugs:  may not work in SMP and RPC
* conforming:  ANSI C
*
* There is some old difficult to read code at the end of this file.
* Can someone integrate this into this function (if useful)?
*/

#define _BSD_EXTENSION

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <assert.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>

#include "lametime.h"

double GetCPUTime ( void )
{
   return clock () / (double) CLOCKS_PER_SEC;
}

/*
* name:        GetRealTime ( void )
*
* description: returns real (human) time elapsed relative to a fixed time (mostly 1970-01-01 00:00:00)
* input:       none
* output:      time in seconds
* known bugs:  bad precision with time()
*/

double GetRealTime ( void )                     /* conforming:  SVr4, BSD 4.3 */
{
   struct timeval  t;

   if ( 0 != gettimeofday (&t, NULL) )
       assert (0);
   return t.tv_sec + 1.e-6 * t.tv_usec;
}

int  lame_set_stream_binary_mode ( FILE* const fp )
{
   return 0;
}

off_t  lame_get_file_size ( const char* const filename )
{
   struct stat       sb;

   if ( 0 == stat ( filename, &sb ) )
       return sb.st_size;
   return (off_t) -1;
}