hashmap: add hashmap_first_key()

2 files changed, 12 insertions, 0 deletions

diff --git a/src/hashmap.c b/src/hashmap.c
index 95ea45da48..7ef809746d 100644
--- a/src/hashmap.c
+++ b/src/hashmap.c
@@ -558,6 +558,17 @@ void* hashmap_first(Hashmap *h) {
         return h->iterate_list_head->value;
 }
 
+void* hashmap_first_key(Hashmap *h) {
+
+        if (!h)
+                return NULL;
+
+        if (!h->iterate_list_head)
+                return NULL;
+
+        return (void*) h->iterate_list_head->key;
+}
+
 void* hashmap_last(Hashmap *h) {
 
         if (!h)
diff --git a/src/hashmap.h b/src/hashmap.h
index 16ffbd3922..ab4363a7a3 100644
--- a/src/hashmap.h
+++ b/src/hashmap.h
@@ -74,6 +74,7 @@ void hashmap_clear(Hashmap *h);
 void *hashmap_steal_first(Hashmap *h);
 void *hashmap_steal_first_key(Hashmap *h);
 void* hashmap_first(Hashmap *h);
+void* hashmap_first_key(Hashmap *h);
 void* hashmap_last(Hashmap *h);
 
 char **hashmap_get_strv(Hashmap *h);