curl/lib/timeval.c

/*****************************************************************************
 *                                  _   _ ____  _     
 *  Project                     ___| | | |  _ \| |    
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 *                            | (__| |_| |  _ <| |___ 
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 *
 *  The contents of this file are subject to the Mozilla Public License
 *  Version 1.0 (the "License"); you may not use this file except in
 *  compliance with the License. You may obtain a copy of the License at
 *  http://www.mozilla.org/MPL/
 *
 *  Software distributed under the License is distributed on an "AS IS"
 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 *  License for the specific language governing rights and limitations
 *  under the License.
 *
 *  The Original Code is Curl.
 *
 *  The Initial Developer of the Original Code is Daniel Stenberg.
 *
 *  Portions created by the Initial Developer are Copyright (C) 1998.
 *  All Rights Reserved.
 *
 * ------------------------------------------------------------
 * Main author:
 * - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
 *
 * 	http://curl.haxx.nu
 *
 * $Source$
 * $Revision$
 * $Date$
 * $Author$
 * $State$
 * $Locker$
 *
 * ------------------------------------------------------------
 ****************************************************************************/

#ifdef WIN32
#include <windows.h>
#endif
#include "timeval.h"

#ifndef HAVE_GETTIMEOFDAY

#ifdef WIN32
int
gettimeofday (struct timeval *tp, void *nothing)
{
 SYSTEMTIME st;
 time_t tt;
 struct tm tmtm;
 /* mktime converts local to UTC */
 GetLocalTime (&st);
 tmtm.tm_sec = st.wSecond;
 tmtm.tm_min = st.wMinute;
 tmtm.tm_hour = st.wHour;
 tmtm.tm_mday = st.wDay;
 tmtm.tm_mon = st.wMonth - 1;
 tmtm.tm_year = st.wYear - 1900;
 tmtm.tm_isdst = -1;
 tt = mktime (&tmtm);
 tp->tv_sec = tt;
 tp->tv_usec = st.wMilliseconds * 1000;
 return 1;
}
#define HAVE_GETTIMEOFDAY
#endif
#endif

struct timeval tvnow ()
{
 struct timeval now;
#ifdef HAVE_GETTIMEOFDAY
 gettimeofday (&now, NULL);
#else
 now.tv_sec = (long) time(NULL);
 now.tv_usec = 0;
#endif
 return now;
}

double tvdiff (struct timeval t1, struct timeval t2)
{
 return (double)(t1.tv_sec - t2.tv_sec) + ((t1.tv_usec-t2.tv_usec)/1000000.0);
}

long tvlong (struct timeval t1)
{
 return t1.tv_sec;
}