Initial revision of the cdbdebugger playground.

tests/manual/cdbdebugger/outputcallback.cpp

@@ -0,0 +1,61 @@
+#include <stdio.h>
+#include <windows.h>
+#include <dbgeng.h>
+
+#include "outputcallback.h"
+
+WinDbgOutputCallback g_outputCallbacks;
+
+STDMETHODIMP
+WinDbgOutputCallback::QueryInterface(
+    THIS_
+    IN REFIID InterfaceId,
+    OUT PVOID* Interface
+    )
+{
+    *Interface = NULL;
+
+    if (IsEqualIID(InterfaceId, __uuidof(IUnknown)) ||
+        IsEqualIID(InterfaceId, __uuidof(IDebugOutputCallbacks)))
+    {
+        *Interface = (IDebugOutputCallbacks *)this;
+        AddRef();
+        return S_OK;
+    }
+    else
+    {
+        return E_NOINTERFACE;
+    }
+}
+
+STDMETHODIMP_(ULONG)
+WinDbgOutputCallback::AddRef(
+    THIS
+    )
+{
+    // This class is designed to be static so
+    // there's no true refcount.
+    return 1;
+}
+
+STDMETHODIMP_(ULONG)
+WinDbgOutputCallback::Release(
+    THIS
+    )
+{
+    // This class is designed to be static so
+    // there's no true refcount.
+    return 0;
+}
+
+STDMETHODIMP
+WinDbgOutputCallback::Output(
+    THIS_
+    IN ULONG Mask,
+    IN PCSTR Text
+    )
+{
+    UNREFERENCED_PARAMETER(Mask);
+    fputs(Text, stdout);
+    return S_OK;
+}