[CONSRV]

[reactos.git] / win32ss / user / winsrv / consrv / include / conio_winsrv.h

diff --git a/win32ss/user/winsrv/consrv/include/conio_winsrv.h b/win32ss/user/winsrv/consrv/include/conio_winsrv.h
index b4e0848..957a8ee 100644 (file)
--- a/win32ss/user/winsrv/consrv/include/conio_winsrv.h
+++ b/win32ss/user/winsrv/consrv/include/conio_winsrv.h
@@ -161,10 +161,18 @@ do {    \
 #define ConioRectWidth(Rect) \
     (((Rect)->Left) > ((Rect)->Right) ? 0 : ((Rect)->Right) - ((Rect)->Left) + 1)
 
+/*
+ * From MSDN:
+ * "The lpMultiByteStr and lpWideCharStr pointers must not be the same.
+ *  If they are the same, the function fails, and GetLastError returns
+ *  ERROR_INVALID_PARAMETER."
+ */
 #define ConsoleUnicodeCharToAnsiChar(Console, dChar, sWChar) \
+    ASSERT((ULONG_PTR)dChar != (ULONG_PTR)sWChar); \
     WideCharToMultiByte((Console)->OutputCodePage, 0, (sWChar), 1, (dChar), 1, NULL, NULL)
 
 #define ConsoleAnsiCharToUnicodeChar(Console, dWChar, sChar) \
+    ASSERT((ULONG_PTR)dWChar != (ULONG_PTR)sChar); \
     MultiByteToWideChar((Console)->OutputCodePage, 0, (sChar), 1, (dWChar), 1)
 
 PCHAR_INFO ConioCoordToPointer(PTEXTMODE_SCREEN_BUFFER Buff, ULONG X, ULONG Y);