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api: rundll32: make empty string if no instance id

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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2021-08-08 16:42:37 +02:00
parent 6cf6f42f07
commit 42030404e0
1 changed files with 1 additions and 1 deletions
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api/rundll32.c
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@ -86,7 +86,7 @@ VOID __stdcall CreateAdapter(HWND hwnd, HINSTANCE hinst, LPSTR lpszCmdLine, int
WINTUN_ADAPTER *Adapter = WintunCreateAdapter(Argv[2], Argv[3], Argc > 4 ? &RequestedGUID : NULL, &RebootRequired);
DWORD LastError = Adapter ? ERROR_SUCCESS : GetLastError();
WriteFormatted(
STD_OUTPUT_HANDLE, L"%1!X! %2!s! %3!X!", LastError, Adapter ? Adapter->DevInstanceID : L"", RebootRequired);
STD_OUTPUT_HANDLE, L"%1!X! %2!s! %3!X!", LastError, Adapter ? Adapter->DevInstanceID : L"\"\"", RebootRequired);
if (Adapter)
WintunFreeAdapter(Adapter);