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UTC epoch time for POSIX

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This commit is contained in:
Michał Janiszewski
2016-01-03 21:41:21 +01:00
parent 99e0d999b2
commit b45ca38d52
1 changed files with 5 additions and 7 deletions
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12
src/platform/posix.c
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@@ -36,6 +36,7 @@
#include <dirent.h>
#include <fnmatch.h>
#include <locale.h>
#include <sys/time.h>
#include <time.h>
// The name of the mutex used to prevent multiple instances of the game from running
@@ -757,17 +758,14 @@ datetime64 platform_get_datetime_now_utc()
{
const datetime64 epochAsTicks = 621355968000000000;
// Get current time
time_t rawtime;
time(&rawtime);
struct timeval tv;
gettimeofday(&tv, NULL);
// Convert to UTC epoch
struct tm *utcTM = gmtime(&rawtime);
time_t utcEpoch = mktime(utcTM);
uint64 utcEpoch = tv.tv_sec;
// Epoch starts from: 1970-01-01T00:00:00Z
// Convert to ticks from 0001-01-01T00:00:00Z
uint64 utcEpochTicks = (uint64)utcEpoch * 10000000ULL;
uint64 utcEpochTicks = (uint64)tv.tv_sec * 10000000ULL + tv.tv_usec * 10;
datetime64 utcNow = epochAsTicks + utcEpochTicks;
return utcNow;
}