From 974bd0388994715b4fa35ac54986e3c1ed4e3f55 Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Thu, 27 Apr 2017 19:19:56 +0300
Subject: reorganize files

* src/ -> km/src/
* utils/ -> um/
* Move WDK 7.1-specific *.bat files to km/build/wdk7.1/
* Move WDK 8.1 Update 1 solutions to km/build/wdk8.1update/
---
 um/libnt_path_converter/src/device.cpp | 48 ++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 um/libnt_path_converter/src/device.cpp

(limited to 'um/libnt_path_converter/src')

diff --git a/um/libnt_path_converter/src/device.cpp b/um/libnt_path_converter/src/device.cpp
new file mode 100644
index 0000000..90cd12f
--- /dev/null
+++ b/um/libnt_path_converter/src/device.cpp
@@ -0,0 +1,48 @@
+// Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is part of the "Windows 7 drivers" project.
+// For details, see https://github.com/egor-tensin/windows7-drivers.
+// Distributed under the MIT License.
+
+#include "libnt_path_converter/device.hpp"
+
+#include "libservice/all.hpp"
+
+#include <Windows.h>
+
+#include <string>
+#include <vector>
+
+namespace libnt_path_converter
+{
+    namespace
+    {
+        const char* const device_path = "\\\\.\\nt_path_converter";
+        const auto control_code = CTL_CODE(0x8000, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS);
+    }
+
+    Device::Device()
+        : libservice::Device(libservice::Device::open(device_path))
+    { }
+
+    std::wstring Device::convert_nt_path(const std::wstring& src)
+    {
+        const auto in_buf = src.c_str();
+        const auto in_buf_size = (src.size() + 1) * sizeof(wchar_t);
+
+        const auto nbreq = get_required_output_size(
+            control_code,
+            in_buf,
+            in_buf_size);
+
+        std::vector<unsigned char> output(nbreq);
+
+        send_control_code(
+            control_code,
+            in_buf,
+            in_buf_size,
+            output.data(),
+            nbreq);
+
+        return reinterpret_cast<wchar_t*>(output.data());
+    }
+}
-- 
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