map: add map_free_full utility function

2 files changed, 16 insertions, 0 deletions

diff --git a/map.c b/map.c
index 48590b3..10d39de 100644
--- a/map.c
+++ b/map.c
@@ -324,3 +324,17 @@ void map_free(Map *map)
 	map_clear(map);
 	free(map);
 }
+
+static bool free_elem(const char *key, void *value, void *data)
+{
+	free(value);
+	return true;
+}
+
+void map_free_full(Map *map)
+{
+	if (!map)
+		return;
+	map_iterate(map, free_elem, NULL);
+	map_free(map);
+}
diff --git a/map.h b/map.h
index 0540fab..816e537 100644
--- a/map.h
+++ b/map.h
@@ -35,5 +35,7 @@ bool map_empty(const Map*);
 void map_clear(Map*);
 /* Release all memory associated with this map */
 void map_free(Map*);
+/* Call free(3) for every pointer stored in the map, then free the map itself */
+void map_free_full(Map*);
 
 #endif