Add empty(dir_path) to filesystem

1 files changed, 14 insertions, 0 deletions

diff --git a/build2/filesystem.cxx b/build2/filesystem.cxx
index c9696dc..be4cad8 100644
--- a/build2/filesystem.cxx
+++ b/build2/filesystem.cxx
@@ -124,4 +124,18 @@ namespace build2
       throw failed ();
     }
   }
+
+  bool
+  empty (const dir_path& d)
+  {
+    try
+    {
+      return dir_empty (d);
+    }
+    catch (const system_error& e)
+    {
+      error << "unable to scan directory " << d << ": " << e.what ();
+      throw failed ();
+    }
+  }
 }