Add PBD API to hard-link files

2 files changed, 16 insertions, 0 deletions

diff --git a/libs/pbd/file_utils.cc b/libs/pbd/file_utils.cc
index ef10c4566c..8247530fe3 100644
--- a/libs/pbd/file_utils.cc
+++ b/libs/pbd/file_utils.cc
@@ -356,6 +356,17 @@ touch_file (const std::string& path)
 	return false;
 }
 
+bool
+hard_link (const std::string& existing_file, const std::string& new_path)
+{
+#ifdef PLATFORM_WINDOWS
+	/* see also ntfs_link -- msvc only pbd extension */
+	return CreateHardLinkA (new_path.c_str(), existing_file.c_str(), NULL);
+#else
+	return 0 == link (existing_file.c_str(), new_path.c_str());
+#endif
+}
+
 std::string
 get_absolute_path (const std::string & p)
 {
diff --git a/libs/pbd/pbd/file_utils.h b/libs/pbd/pbd/file_utils.h
index de573cd0e1..b834587ae1 100644
--- a/libs/pbd/pbd/file_utils.h
+++ b/libs/pbd/pbd/file_utils.h
@@ -190,6 +190,11 @@ LIBPBD_API void copy_recurse(const std::string & from_path, const std::string &
  */
 LIBPBD_API bool touch_file (const std::string& path);
 
+/** try hard-link a file
+ * @return true if file was successfully linked
+ */
+LIBPBD_API bool hard_link (const std::string& existing_file, const std::string& new_path);
+
 /**
  * Take a (possibly) relative path and make it absolute
  * @return An absolute path