Init commit

Logger.h

@@ -0,0 +1,24 @@
+#pragma once
+
+// Logging is compiled in for Debug builds only. In Release the macro expands to
+// nothing, so neither the format string nor its arguments survive into the
+// binary - no log file, no debug output, no strings for an analyst to read.
+#ifndef ARDRV_LOG_ENABLED
+#ifdef _DEBUG
+#define ARDRV_LOG_ENABLED 1
+#else
+#define ARDRV_LOG_ENABLED 0
+#endif
+#endif
+
+#if ARDRV_LOG_ENABLED
+
+void LogImpl(const wchar_t* fmt, ...);
+
+#define Log(...) LogImpl(__VA_ARGS__)
+
+#else
+
+#define Log(...) ((void)0)
+
+#endif