WIDEN2(x) L ## x macro

#define ARRAY_SIZE(X) sizeof(X)/sizeof(X[0])
#define WIDEN2(x) L ## x
#define WIDEN(x) WIDEN2(x)
#define __WFILE__ WIDEN(__FILE__)
#define __WFUNCTION__ WIDEN(__FUNCTION__)
#ifdef _UNICODE
#define __TFILE__ __WFILE__
#define __TFUNCTION__ __WFUNCTION__
#else
#define __TFILE__ __FILE__
#define __TFUNCTION__ __FUNCTION__
#endif
#define __STR2__(x) #x
#define __STR1__(x) __STR2__(x)
//
#define __LOC__ __FILE__ "("__STR1__(__LINE__)") : Warning Msg: "
#define __LOC2__ __FILE__ "("__STR1__(__LINE__)") "
#define __FLOC__ __TFILE__ "("__STR1__(__LINE__)"): "
#define __MLOC__ __TFUNCTION__ "("__STR1__(__LINE__)"): "const int PATH_LEN = 1024+MAX_PATH;