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-rw-r--r--src/vfd/ntapi_vfd_helper.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/vfd/ntapi_vfd_helper.c b/src/vfd/ntapi_vfd_helper.c
new file mode 100644
index 0000000..054a388
--- /dev/null
+++ b/src/vfd/ntapi_vfd_helper.c
@@ -0,0 +1,34 @@
+/********************************************************/
+/* ntapi: Native API core library */
+/* Copyright (C) 2013,2014,2015 Z. Gilboa */
+/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
+/********************************************************/
+
+#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_status.h>
+#include <ntapi/nt_object.h>
+#include <ntapi/nt_vfd.h>
+#include "ntapi_impl.h"
+
+void __stdcall __ntapi_vfd_dev_name_init(
+ __out nt_vfd_dev_name * devname,
+ __in const nt_guid * guid)
+{
+ uint32_t * prefix = (uint32_t *)devname->prefix;
+
+ /* compiler-independent */
+ prefix[0] = 0x44005C;
+ prefix[1] = 0x760065;
+ prefix[2] = 0x630069;
+ prefix[3] = 0x5C0065;
+
+ __ntapi->tt_guid_to_utf16_string(
+ guid,
+ &devname->guid);
+
+ devname->name.strlen = sizeof(devname->prefix) + sizeof(devname->guid);
+ devname->name.maxlen = 0;
+ devname->name.buffer = (uint16_t *)&devname->prefix;
+
+ return;
+}