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