Last change
on this file since 457 was 457, checked in by coas-nagasima, 4 years ago |
ファイルを追加
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Property svn:eol-style
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native
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Property svn:mime-type
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text/x-csrc;charset=UTF-8
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File size:
1.3 KB
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[457] | 1 | #include <time.h>
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| 2 |
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| 3 | #include <windows.h>
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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 | #include "config.h"
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| 11 |
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| 12 | struct timezone
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| 13 | {
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| 14 | int tz_minuteswest; /* minutes W of Greenwich */
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| 15 | int tz_dsttime; /* type of dst correction */
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| 16 | };
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| 17 |
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| 18 | int gettimeofday(struct timeval *tv, struct timezone *tz)
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| 19 | {
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| 20 | FILETIME ft;
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| 21 | unsigned __int64 tmpres = 0;
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| 22 | static int tzflag;
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| 23 |
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| 24 | if (NULL != tv) {
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| 25 | GetSystemTimeAsFileTime(&ft);
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| 26 |
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| 27 | tmpres |= ft.dwHighDateTime;
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| 28 | tmpres <<= 32;
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| 29 | tmpres |= ft.dwLowDateTime;
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| 30 |
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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 | tmpres /= 10; /*convert into microseconds*/
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| 34 | tv->tv_sec = (long)(tmpres / 1000000UL);
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| 35 | tv->tv_usec = (long)(tmpres % 1000000UL);
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| 36 | }
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| 37 |
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| 38 | if (NULL != tz) {
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| 39 | if (!tzflag) {
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| 40 | _tzset();
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| 41 | tzflag++;
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| 42 | }
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| 43 | tz->tz_minuteswest = _timezone / 60;
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| 44 | tz->tz_dsttime = _daylight;
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| 45 | }
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| 46 |
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| 47 | return 0;
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| 48 | }
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| 49 |
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| 50 | struct tm *
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| 51 | localtime_r(const time_t *timer, struct tm *result)
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| 52 | {
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| 53 | struct tm *local_result;
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| 54 |
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| 55 | if (result == NULL) {
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| 56 | return NULL;
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| 57 | }
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| 58 |
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| 59 | local_result = localtime (timer);
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| 60 | if (local_result == NULL) {
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| 61 | return NULL;
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| 62 | }
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| 63 |
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| 64 | memcpy(result, local_result, sizeof(*result));
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| 65 | return result;
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| 66 | }
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