1 files changed, 43 insertions, 0 deletions
diff --git a/client/common/geometry.c b/client/common/geometry.c
new file mode 100644
index 0000000..83347ea
--- /dev/null
+++ b/client/common/geometry.c
@@ -0,0 +1,43 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Geometry tracking Virtual Channel Extension
+ *
+ * Copyright 2017 David Fort <contact@hardening-consulting.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <freerdp/config.h>
+
+#include <freerdp/client/geometry.h>
+#include <winpr/interlocked.h>
+
+void mappedGeometryRef(MAPPED_GEOMETRY* g)
+{
+	InterlockedIncrement(&g->refCounter);
+}
+
+void mappedGeometryUnref(MAPPED_GEOMETRY* g)
+{
+	if (!g)
+		return;
+
+	if (InterlockedDecrement(&g->refCounter))
+		return;
+
+	g->MappedGeometryUpdate = NULL;
+	g->MappedGeometryClear = NULL;
+	g->custom = NULL;
+	free(g->geometry.rects);
+	free(g);
+}