Initial Commit

libs/btime/btime.cpp

@@ -0,0 +1,58 @@
+// btime.cpp : Defines the exported functions for the DLL application.
+//
+
+#include <malloc.h>
+#include "btime.h"
+#include <time.h>
+#include <stdio.h>
+
+using namespace std;
+
+#ifdef WIN32
+#include <Windows.h>
+#include <stdint.h>
+#define snprintf _snprintf
+
+double timeofhour()
+{
+	// Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
+	static const uint64_t EPOCH = ((uint64_t)116444736000000000ULL);
+	static double timeofhour;
+	SYSTEMTIME  system_time;
+	GetSystemTime(&system_time);
+	timeofhour = ((int)system_time.wHour * 60 * 60 + (int)system_time.wMinute * 60 + (int)system_time.wSecond) % 3600 + (double)system_time.wMilliseconds / (double)1000;
+	return timeofhour;
+}
+#else
+#include <sys/time.h>
+#include <string.h>
+
+double timeofhour()
+{
+	static struct timespec ts;
+	timespec* tsp = &ts;
+	static double timeofhour;
+	static struct tm t;
+	tm* tp = &t;
+	static const double nsec = 1000000000;
+	clock_gettime(CLOCK_MONOTONIC, tsp);
+	localtime_r(&(tsp->tv_sec), tp);
+	timeofhour = ((int)tp->tm_hour * 3600 + (int)tp->tm_min * 60 + (int)tp->tm_sec) % 3600 + (double)tsp->tv_nsec / nsec;
+	return timeofhour;
+}
+#endif
+
+EXPORT char * byond_gettime(void)
+{
+	static char buf[11];
+	static double amount;
+	amount = 10 * timeofhour();
+	snprintf(buf, 11, "%f", amount);
+	return buf;
+}
+
+// C export
+extern "C" EXPORT char * gettime(int argc, char *argv[])
+{
+	return byond_gettime();
+}