Merge branch 'split-tunnel-win-installer'

1 files changed, 36 insertions, 0 deletions

diff --git a/windows/driverlogic/src/util.cpp b/windows/driverlogic/src/util.cpp
new file mode 100644
index 0000000000..ebce6d82cb
--- /dev/null
+++ b/windows/driverlogic/src/util.cpp
@@ -0,0 +1,36 @@
+#include "stdafx.h"
+#include "util.h"
+#include <windows.h>
+#include <vector>
+#include <libcommon/error.h>
+
+using path = std::filesystem::path;
+
+path
+GetProcessModulePath
+(
+)
+{
+	size_t bufferSize = MAX_PATH;
+
+	std::vector<wchar_t> pathBuffer(bufferSize);
+
+	for (;;)
+	{
+		const auto writtenChars = GetModuleFileNameW(nullptr, &pathBuffer[0], static_cast<DWORD>(pathBuffer.size()));
+
+		if (0 == writtenChars)
+		{
+			THROW_WINDOWS_ERROR(GetLastError(), "GetModuleFileNameW");
+		}
+
+		if (writtenChars != pathBuffer.size())
+		{
+			return path(pathBuffer.begin(), pathBuffer.begin() + writtenChars);
+		}
+
+		bufferSize *= 2;
+
+		pathBuffer.resize(bufferSize);
+	}
+}