Implement RtlCompareGuids() kernel routine

xtoskrnl/rtl/guid.c

@@ -0,0 +1,26 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/guid.c
+ * DESCRIPTION:     GUID manipulation routines
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+XTAPI
+BOOLEAN
+RtlCompareGuids(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(Guid1Ptr[0] == Guid2Ptr[0] && Guid1Ptr[1] == Guid2Ptr[1] &&
+           Guid1Ptr[2] == Guid2Ptr[2] && Guid1Ptr[3] == Guid2Ptr[3]);
+}