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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "mozilla/WindowsOleAut32Initialization.h"
#include "nsWindowsDllInterceptor.h"
#include <oleauto.h>
namespace mozilla {
static WindowsDllInterceptor sOleAut32Intercept;
static WindowsDllInterceptor::FuncHookType<decltype(&::VariantClear)>
stub_VariantClear;
HRESULT WINAPI patched_VariantClear(VARIANTARG* aVariant) {
bool isString = aVariant && aVariant->vt == VT_BSTR;
HRESULT result = stub_VariantClear(aVariant);
if (isString && SUCCEEDED(result)) {
aVariant->bstrVal = nullptr;
}
return result;
}
bool WindowsOleAut32Initialization() {
sOleAut32Intercept.Init("oleaut32.dll");
return stub_VariantClear.Set(sOleAut32Intercept, "VariantClear",
&patched_VariantClear);
}
} // namespace mozilla