timeHandler: FreeBSD fixes, based on plush's patch ( #719 ).

Aesthetic „fixes”.

timeHandler.h

@@ -1,7 +1,15 @@
 #ifndef __TIMEHANDLER_H__
 #define __TIMEHANDLER_H__
 
-#include <ctime>
+#ifdef __FreeBSD__
+	#include <sys/types.h>
+	#include <sys/time.h>
+	#include <sys/resource.h>
+	#define TO_MS_DIVISOR (1000)
+#else
+	#include <ctime>
+	#define TO_MS_DIVISOR (CLOCKS_PER_SEC/1000)
+#endif
 
 /*
  * timeHandler.h, part of VCMI engine
@@ -15,13 +23,43 @@
 
 class timeHandler
 {
-public:
 	clock_t start, last, mem;
-	timeHandler():start(clock()){last=clock();mem=0;};
-	long getDif(){long ret=clock()-last;last=clock();return ret/(CLOCKS_PER_SEC/1000);};//get diff in milliseconds
-	void update(){last=clock();};
-	void remember(){mem=clock();};
-	long memDif(){return clock()-mem;};
+public:
+	timeHandler()
+		: start(clock())
+	{
+		last=clock();
+		mem=0;
+	}
+
+	long getDif() //get diff in milliseconds
+	{
+		long ret=clock()-last;
+		last=clock();
+		return ret/TO_MS_DIVISOR;
+	}
+	void update()
+	{
+		last=clock();
+	}
+	void remember()
+	{
+		mem=clock();
+	}
+	long memDif()
+	{
+		return clock()-mem;
+	}
+	long clock() 
+	{
+	#ifdef __FreeBSD__
+		struct rusage usage;
+		getrusage(RUSAGE_SELF, &usage);
+		return static_cast<long>(usage.ru_utime.tv_sec + usage.ru_stime.tv_sec) * 1000000 + usage.ru_utime.tv_usec + usage.ru_stime.tv_usec;
+	#else
+		return std::clock();
+	#endif
+	}
 };