[CONSRV]

[reactos.git] / win32ss / user / winsrv / consrv / alias.c

diff --git a/win32ss/user/winsrv/consrv/alias.c b/win32ss/user/winsrv/consrv/alias.c
index 3acae7a..3d7a533 100644 (file)
--- a/win32ss/user/winsrv/consrv/alias.c
+++ b/win32ss/user/winsrv/consrv/alias.c
@@ -70,6 +70,14 @@ ConvertInputUnicodeToAnsi(PCONSOLE Console,
 {
     ASSERT(Source && Target && TargetLength);
 
+    /*
+     * 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."
+     */
+    ASSERT((ULONG_PTR)Source != (ULONG_PTR)Target);
+
     /* Use the console input CP for the conversion */
     // *TargetLength = WideCharToMultiByte(Console->InputCodePage, 0,
                                         // Source, SourceLength,