vdservice: add missing vdcommon.cpp

1 files changed, 19 insertions, 0 deletions

diff --git a/common/vdcommon.cpp b/common/vdcommon.cpp
new file mode 100644
index 0000000..372d9bb
--- /dev/null
+++ b/common/vdcommon.cpp
@@ -0,0 +1,19 @@
+#include "vdcommon.h"
+
+bool get_qxl_device_id(TCHAR* device_key, DWORD* device_id)
+{
+    DWORD type = REG_BINARY;
+    DWORD size = sizeof(*device_id);
+    bool key_found = false;
+    HKEY key;
+
+    if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, wcsstr(device_key, L"System"),
+                     0L, KEY_QUERY_VALUE, &key) == ERROR_SUCCESS) {
+        if (RegQueryValueEx(key, L"QxlDeviceID", NULL, &type, (LPBYTE)device_id, &size) ==
+                                                                             ERROR_SUCCESS) {
+            key_found = true;
+        }
+        RegCloseKey(key);
+    }
+    return key_found;
+}