lib/timeval.c

   1 /*****************************************************************************
   2  *                                  _   _ ____  _
   3  *  Project                     ___| | | |  _ \| |
   4  *                             / __| | | | |_) | |
   5  *                            | (__| |_| |  _ <| |___
   6  *                             \___|\___/|_| \_\_____|
   7  *
   8  *  The contents of this file are subject to the Mozilla Public License
   9  *  Version 1.0 (the "License"); you may not use this file except in
  10  *  compliance with the License. You may obtain a copy of the License at
  11  *  http://www.mozilla.org/MPL/
  12  *
  13  *  Software distributed under the License is distributed on an "AS IS"
  14  *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
  15  *  License for the specific language governing rights and limitations
  16  *  under the License.
  17  *
  18  *  The Original Code is Curl.
  19  *
  20  *  The Initial Developer of the Original Code is Daniel Stenberg.
  21  *
  22  *  Portions created by the Initial Developer are Copyright (C) 1998.
  23  *  All Rights Reserved.
  24  *
  25  * ------------------------------------------------------------
  26  * Main author:
  27  * - Daniel Stenberg <Daniel.Stenberg@haxx.nu>
  28  *
  29  *      http://curl.haxx.nu
  30  *
  31  * $Source: /cvsroot/curl/curl/lib/timeval.c,v $
  32  * $Revision: 1.1.1.1 $
  33  * $Date: 1999-12-29 14:21:38 $
  34  * $Author: bagder $
  35  * $State: Exp $
  36  * $Locker:  $
  37  *
  38  * ------------------------------------------------------------
  39  ****************************************************************************/
  40
  41 #ifdef WIN32
  42 #include <windows.h>
  43 #endif
  44 #include "timeval.h"
  45
  46 #ifndef HAVE_GETTIMEOFDAY
  47
  48 #ifdef WIN32
  49 int
  50 gettimeofday (struct timeval *tp, void *nothing)
  51 {
  52  SYSTEMTIME st;
  53  time_t tt;
  54  struct tm tmtm;
  55  /* mktime converts local to UTC */
  56  GetLocalTime (&st);
  57  tmtm.tm_sec = st.wSecond;
  58  tmtm.tm_min = st.wMinute;
  59  tmtm.tm_hour = st.wHour;
  60  tmtm.tm_mday = st.wDay;
  61  tmtm.tm_mon = st.wMonth - 1;
  62  tmtm.tm_year = st.wYear - 1900;
  63  tmtm.tm_isdst = -1;
  64  tt = mktime (&tmtm);
  65  tp->tv_sec = tt;
  66  tp->tv_usec = st.wMilliseconds * 1000;
  67  return 1;
  68 }
  69 #define HAVE_GETTIMEOFDAY
  70 #endif
  71 #endif
  72
  73 struct timeval tvnow ()
  74 {
  75  struct timeval now;
  76 #ifdef HAVE_GETTIMEOFDAY
  77  gettimeofday (&now, NULL);
  78 #else
  79  now.tv_sec = (long) time(NULL);
  80  now.tv_usec = 0;
  81 #endif
  82  return now;
  83 }
  84
  85 double tvdiff (struct timeval t1, struct timeval t2)
  86 {
  87  return (double)(t1.tv_sec - t2.tv_sec) + ((t1.tv_usec-t2.tv_usec)/1000000.0);
  88 }
  89
  90 long tvlong (struct timeval t1)
  91 {
  92  return t1.tv_sec;
  93 }