#define NOSHELLDEBUG    // don't take shell versions of this

// NOTE: You can #define your own DM_* values using bits in the HI BYTE

#define DM_TRACE    0x0001      // Trace messages
#define DM_WARNING  0x0002      // Warning
#define DM_ERROR    0x0004      // Error
#define DM_ASSERT   0x0008      // Assertions

// NOTE: Default debug mask is 0x00ff (show everything)

// Inside debugger, you can modify wDebugMask variable.

// Set debug mask; returning previous.

UINT WINAPI SetDebugMask(UINT mask);

// Get debug mask.

UINT WINAPI GetDebugMask();

// Use this macro to declare message text that will be placed
// in the CODE segment (useful if DS is getting full)

// Ex: DBGTEXT(szMsg, "Invalid whatever: %d");

#define DBGTEXT(sz, msg)      static const TCHAR sz[] = msg;

#ifdef DEBUG
// Assert(f)  -- Generate "assertion failed in line x of file.c"
//               message if f is NOT true.

// AssertMsg(f, msg, args...)  -- Generate wsprintf-formatted msg w/params
//                          if f is NOT true.

// DebugMsg(mask, msg, args...) -
//         Generate wsprintf-formatted msg using
//         specified debug mask.  System debug mask
//         governs whether message is output.

void WINAPI AssertFailed(LPCTSTR szFile, int line);

#define Assert(f)                           \
    {                                       \
        DBGTEXT(szFile, __FILE__);          \
        if (!(f))                           \
            AssertFailed(szFile, __LINE__); \
    }
#define AssertE(f) Assert(f)

void __cdecl _AssertMsg(BOOL f, LPCTSTR pszMsg, ...);
#define AssertMsg   _AssertMsg

void __cdecl _DebugMsg(UINT mask, LPCTSTR psz, ...);
#define DebugMsg    _DebugMsg

#else

// retail versions to produce no code, no data

#define Assert(f)
#define AssertE(f)      (f)
#define AssertMsg   1 ? (void)0 : (void)
#define DebugMsg    1 ? (void)0 : (void)

#endif