Migrate RTL subsystem to C++

xtoskrnl/rtl/guid.cc

@@ -0,0 +1,39 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/guid.cc
+ * DESCRIPTION:     GUID manipulation routines
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.hh>
+
+
+/**
+ * Compares two GUIDs (Globally Unique Identifiers).
+ *
+ * @param Guid1
+ *        Supplies the first GUID to compare.
+ *
+ * @param Guid2
+ *        Supplies the second GUID to compare.
+ *
+ * @return This routine returns TRUE if the provided GUIDs are equal, or FALSE otherwise.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+BOOLEAN
+RTL::Guid::CompareGuids(IN PGUID Guid1,
+                        IN PGUID Guid2)
+{
+    PUINT Guid1Ptr, Guid2Ptr;
+
+    /* Cast GUIDs to UINT to compare 32-bits at a time */
+    Guid1Ptr = (PUINT)Guid1;
+    Guid2Ptr = (PUINT)Guid2;
+
+    /* Compare GUIDs */
+    return (BOOLEAN)(Guid1Ptr[0] == Guid2Ptr[0] && Guid1Ptr[1] == Guid2Ptr[1] &&
+                     Guid1Ptr[2] == Guid2Ptr[2] && Guid1Ptr[3] == Guid2Ptr[3]);
+}