2 files changed, 25 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_appdir.h b/source/blender/blenkernel/BKE_appdir.h
index 07132201e87..65485058dd7 100644
--- a/source/blender/blenkernel/BKE_appdir.h
+++ b/source/blender/blenkernel/BKE_appdir.h
@@ -21,6 +21,8 @@
 
 #include <stddef.h>
 
+#include "BLI_compiler_attrs.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -32,7 +34,9 @@ void BKE_appdir_exit(void);
 
 /* note on naming: typical _get() suffix is omitted here,
  * since its the main purpose of the API. */
-const char *BKE_appdir_folder_default(void);
+const char *BKE_appdir_folder_default(void) ATTR_WARN_UNUSED_RESULT;
+const char *BKE_appdir_folder_root(void) ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL;
+const char *BKE_appdir_folder_default_or_root(void) ATTR_WARN_UNUSED_RESULT ATTR_RETURNS_NONNULL;
 const char *BKE_appdir_folder_home(void);
 bool BKE_appdir_folder_documents(char *dir);
 bool BKE_appdir_folder_caches(char *r_path, size_t path_len);
diff --git a/source/blender/blenkernel/intern/appdir.c b/source/blender/blenkernel/intern/appdir.c
index ce4ab8a4ba1..08a3b7d0bbb 100644
--- a/source/blender/blenkernel/intern/appdir.c
+++ b/source/blender/blenkernel/intern/appdir.c
@@ -170,6 +170,26 @@ const char *BKE_appdir_folder_default(void)
 #endif /* WIN32 */
 }
 
+const char *BKE_appdir_folder_root(void)
+{
+#ifndef WIN32
+  return "/";
+#else
+  static char root[4];
+  BLI_windows_get_default_root_dir(root);
+  return root;
+#endif
+}
+
+const char *BKE_appdir_folder_default_or_root(void)
+{
+  const char *path = BKE_appdir_folder_default();
+  if (path == NULL) {
+    path = BKE_appdir_folder_root();
+  }
+  return path;
+}
+
 /**
  * Get the user's home directory, i.e.
  * - Unix: `$HOME`