mirror of
https://github.com/moparisthebest/curl
synced 2024-10-31 15:45:12 -04:00
117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id$
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***************************************************************************/
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#include "timeval.h"
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#ifndef HAVE_GETTIMEOFDAY
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#ifdef WIN32
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#include <mmsystem.h>
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static int gettimeofday(struct timeval *tp, void *nothing)
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{
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#ifdef WITHOUT_MM_LIB
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SYSTEMTIME st;
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time_t tt;
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struct tm tmtm;
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/* mktime converts local to UTC */
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GetLocalTime (&st);
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tmtm.tm_sec = st.wSecond;
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tmtm.tm_min = st.wMinute;
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tmtm.tm_hour = st.wHour;
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tmtm.tm_mday = st.wDay;
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tmtm.tm_mon = st.wMonth - 1;
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tmtm.tm_year = st.wYear - 1900;
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tmtm.tm_isdst = -1;
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tt = mktime (&tmtm);
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tp->tv_sec = tt;
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tp->tv_usec = st.wMilliseconds * 1000;
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#else
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/**
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** The earlier time calculations using GetLocalTime
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** had a time resolution of 10ms.The timeGetTime, part
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** of multimedia apis offer a better time resolution
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** of 1ms.Need to link against winmm.lib for this
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**/
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unsigned long Ticks = 0;
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unsigned long Sec =0;
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unsigned long Usec = 0;
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Ticks = timeGetTime();
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Sec = Ticks/1000;
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Usec = (Ticks - (Sec*1000))*1000;
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tp->tv_sec = Sec;
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tp->tv_usec = Usec;
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#endif /* WITHOUT_MM_LIB */
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(void)nothing;
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return 0;
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}
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#else /* WIN32 */
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/* non-win32 version of Curl_gettimeofday() */
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static int gettimeofday(struct timeval *tp, void *nothing)
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{
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(void)nothing; /* we don't support specific time-zones */
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tp->tv_sec = (long)time(NULL);
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tp->tv_usec = 0;
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return 0;
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}
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#endif /* WIN32 */
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#endif /* HAVE_GETTIMEOFDAY */
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/* Return the current time in a timeval struct */
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struct timeval curlx_tvnow(void)
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{
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struct timeval now;
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(void)gettimeofday(&now, NULL);
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return now;
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}
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/*
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* Make sure that the first argument is the more recent time, as otherwise
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* we'll get a weird negative time-diff back...
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*
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* Returns: the time difference in number of milliseconds.
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*/
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long curlx_tvdiff(struct timeval newer, struct timeval older)
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{
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return (newer.tv_sec-older.tv_sec)*1000+
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(newer.tv_usec-older.tv_usec)/1000;
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}
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/*
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* Same as curlx_tvdiff but with full usec resolution.
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*
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* Returns: the time difference in seconds with subsecond resolution.
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*/
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double curlx_tvdiff_secs(struct timeval newer, struct timeval older)
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{
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return (double)(newer.tv_sec-older.tv_sec)+
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(double)(newer.tv_usec-older.tv_usec)/1000000.0;
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}
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/* return the number of seconds in the given input timeval struct */
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long Curl_tvlong(struct timeval t1)
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{
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return t1.tv_sec;
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}
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