Add more support for symlinks on Windows

See mksymlink() for details of the symlinks support on Windows.

1 files changed, 32 insertions, 0 deletions

diff --git a/libbutl/win32-utility.ixx b/libbutl/win32-utility.ixx
new file mode 100644
index 0000000..403d986
--- /dev/null
+++ b/libbutl/win32-utility.ixx
@@ -0,0 +1,32 @@
+// file      : libbutl/win32-utility.ixx -*- C++ -*-
+// license   : MIT; see accompanying LICENSE file
+
+namespace butl
+{
+  namespace win32
+  {
+    inline void auto_handle::
+    reset (HANDLE h) noexcept
+    {
+      // Don't check for an error as not much we can do here.
+      //
+      if (handle_ != INVALID_HANDLE_VALUE)
+        CloseHandle (handle_);
+
+      handle_ = h;
+    }
+
+    inline auto_handle& auto_handle::
+    operator= (auto_handle&& h) noexcept
+    {
+      reset (h.release ());
+      return *this;
+    }
+
+    inline auto_handle::
+    ~auto_handle () noexcept
+    {
+      reset ();
+    }
+  }
+}