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annotate defical-c/src/msvc/gettimeofday.c @ 1:758381a85d76 default tip

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Incorrect printf format.
author Edho Prima Arief <me@myconan.net>
date Mon, 28 Jun 2010 14:52:19 +0700
parents ebed2bd0d300
children
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ebed2bd0d300 Initial import from svn. History be damned.
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1 #include <time.h>
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2 #include <windows.h>
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3
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4 #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
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5 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
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6 #else
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7 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
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8 #endif
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9
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10 struct timezone
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11 {
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12 int tz_minuteswest; /* minutes W of Greenwich */
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13 int tz_dsttime; /* type of dst correction */
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14 };
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15
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16 int gettimeofday(struct timeval *tv, struct timezone *tz)
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17 {
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18 FILETIME ft;
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19 unsigned __int64 tmpres = 0;
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20 static int tzflag = 0;
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21
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22 if (NULL != tv)
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23 {
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24 GetSystemTimeAsFileTime(&ft);
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25
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26 tmpres |= ft.dwHighDateTime;
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27 tmpres <<= 32;
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28 tmpres |= ft.dwLowDateTime;
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29
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30 tmpres /= 10; /*convert into microseconds*/
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31 /*converting file time to unix epoch*/
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32 tmpres -= DELTA_EPOCH_IN_MICROSECS;
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33 tv->tv_sec = (long)(tmpres / 1000000UL);
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34 tv->tv_usec = (long)(tmpres % 1000000UL);
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35 }
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36
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37 if (NULL != tz)
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38 {
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39 if (!tzflag)
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40 {
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41 _tzset();
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42 tzflag++;
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43 }
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44 tz->tz_minuteswest = _get_timezone(tz) / 60;
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45 tz->tz_dsttime = _daylight;
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46 }
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47
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48 return 0;
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49 }
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50
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