1 files changed, 30 insertions, 0 deletions
diff --git a/src/lib/fs/winlib.c b/src/lib/fs/winlib.c
new file mode 100644
index 0000000000..b7302bd4ca
--- /dev/null
+++ b/src/lib/fs/winlib.c
@@ -0,0 +1,30 @@
+/* Copyright (c) 2003, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2019, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file winlib.c
+ *
+ * \brief Find and load windows system libraries.
+ *
+ * We use this function to dynamically load code at runtime that might not be
+ * available on all versions of Windows that we support.
+ **/
+
+#ifdef _WIN32
+#include "lib/fs/winlib.h"
+
+HANDLE
+load_windows_system_library(const TCHAR *library_name)
+{
+  TCHAR path[MAX_PATH];
+  unsigned n;
+  n = GetSystemDirectory(path, MAX_PATH);
+  if (n == 0 || n + _tcslen(library_name) + 2 >= MAX_PATH)
+    return 0;
+  _tcscat(path, TEXT("\\"));
+  _tcscat(path, library_name);
+  return LoadLibrary(path);
+}
+#endif /* defined(_WIN32) */