NOISSUE add implementations of system query functions

* system memory size in bytes
* system architecture is 64bit?
* CPU architecture is 64bit?

libraries/ganalytics/src/sys_apple.cpp

@@ -1,5 +1,6 @@
 #include "sys.h"
 
+// FIXME: replace with our version...
 QString Sys::getSystemInfo()
 {
 	QSysInfo::MacVersion version = QSysInfo::macVersion();
@@ -116,3 +117,31 @@ QString Sys::getSystemInfo()
 	}
 	return os;
 }
+
+#include <sys/sysctl.h>
+
+uint64_t Sys::getSystemRam()
+{
+	uint64_t memsize;
+	size_t memsizesize = sizeof(memsize);
+	if(!sysctlbyname("hw.memsize", &memsize, &memsizesize, NULL, 0))
+	{
+		return memsize;
+	}
+	else
+	{
+		return 0;
+	}
+}
+
+bool Sys::isCPU64bit()
+{
+	// not even going to pretend I'm going to support anything else
+	return true;
+}
+
+bool Sys::isSystem64bit()
+{
+	// yep. maybe when we have 128bit CPUs on consumer devices.
+	return true;
+}