directory: added directory_is_empty()

directory_is_empty() is a tiny inline function which determine if a
directory has any child objects (sub directories or songs).

1 files changed, 5 insertions, 0 deletions

diff --git a/src/directory.h b/src/directory.h
index c43f8f3c5..552bbe28e 100644
--- a/src/directory.h
+++ b/src/directory.h
@@ -49,6 +49,11 @@ Directory * newDirectory(const char *dirname, Directory * parent);
 
 void freeDirectory(Directory * directory);
 
+static inline int directory_is_empty(Directory *directory)
+{
+	return directory->children.nr == 0 && directory->songs.nr == 0;
+}
+
 Directory * getDirectory(const char *name);
 
 void sortDirectory(Directory * directory);