1 files changed, 69 insertions, 0 deletions
diff --git a/wrappers/dlltrace.hpp b/wrappers/dlltrace.hpp
new file mode 100644
index 00000000..fd8aca60
--- /dev/null
+++ b/wrappers/dlltrace.hpp
@@ -0,0 +1,69 @@
+/**************************************************************************
+ *
+ * Copyright 2016 VMware, Inc
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#pragma once
+
+
+#include <windows.h>
+#include <string>
+
+
+class Module
+{
+    const char *m_szName;
+    HMODULE m_hModule = nullptr;
+public:
+    Module(const char *szName) :
+        m_szName(szName)
+    {
+    }
+
+    ~Module()
+    {
+        if (m_hModule) {
+            FreeLibrary(m_hModule);
+        }
+    }
+
+    PROC
+    getProcAddress(LPCSTR lpProcName)
+    {
+        if (!m_hModule) {
+            char szSystemDir[MAX_PATH] = {0};
+            if (!GetSystemDirectoryA(szSystemDir, MAX_PATH)) {
+                return nullptr;
+            }
+            std::string sDllPath = szSystemDir;
+            sDllPath += "\\";
+            sDllPath += m_szName;
+            sDllPath += ".dll";
+            m_hModule = LoadLibraryA(sDllPath.c_str());
+            if (!m_hModule) {
+                return nullptr;
+            }
+        }
+        return GetProcAddress(m_hModule, lpProcName);
+    }
+};