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/*
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* Lame time routines source file
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*
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* Copyright (c) 2000 Mark Taylor
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* $Id: lametime.c,v 1.10 2001/02/26 18:57:20 markt Exp $ */
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/*
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* name: GetCPUTime ( void )
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*
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* description: returns CPU time used by the process
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* input: none
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* output: time in seconds
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* known bugs: may not work in SMP and RPC
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* conforming: ANSI C
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*
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* There is some old difficult to read code at the end of this file.
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* Can someone integrate this into this function (if useful)?
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*/
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#define _BSD_EXTENSION
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <assert.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include "lametime.h"
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double GetCPUTime ( void )
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{
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return clock () / (double) CLOCKS_PER_SEC;
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}
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/*
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* name: GetRealTime ( void )
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*
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* description: returns real (human) time elapsed relative to a fixed time (mostly 1970-01-01 00:00:00)
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* input: none
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* output: time in seconds
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* known bugs: bad precision with time()
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*/
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double GetRealTime ( void ) /* conforming: SVr4, BSD 4.3 */
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{
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struct timeval t;
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if ( 0 != gettimeofday (&t, NULL) )
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assert (0);
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return t.tv_sec + 1.e-6 * t.tv_usec;
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}
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int lame_set_stream_binary_mode ( FILE* const fp )
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{
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return 0;
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}
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off_t lame_get_file_size ( const char* const filename )
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{
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struct stat sb;
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if ( 0 == stat ( filename, &sb ) )
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return sb.st_size;
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return (off_t) -1;
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}
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