X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=blobdiff_plain;f=config%2Fmenu.c;h=7e233a6ca64ef7faf1bc9390ec89cb90ccef2d98;hp=fd3f0180e08fbafb537e128c9e46641288c68774;hb=f0c03963adbc21063171d0e0bc70ac78f554f605;hpb=3da4505c135382c2eb4d54c6c1a25e10884ad174

diff --git a/config/menu.c b/config/menu.c
index fd3f018..7e233a6 100644
--- a/config/menu.c
+++ b/config/menu.c
@@ -443,6 +443,22 @@ bool menu_has_prompt(struct menu *menu)
 	return true;
 }
 
+/*
+ * Determine if a menu is empty.
+ * A menu is considered empty if it contains no or only
+ * invisible entries.
+ */
+bool menu_is_empty(struct menu *menu)
+{
+	struct menu *child;
+
+	for (child = menu->list; child; child = child->next) {
+		if (menu_is_visible(child))
+			return(false);
+	}
+	return(true);
+}
+
 bool menu_is_visible(struct menu *menu)
 {
 	struct menu *child;