From 36d1d02befb6ffd302ea7a9cf1728345da9968e4 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 19 Dec 2011 19:54:51 +0100
Subject: [PATCH] hashmap: add hashmap_first_key() (cherry picked from commit
 2e4a6ff47b311216829ed0f48f17ee9bc35641dc)

---
 src/hashmap.c |   11 +++++++++++
 src/hashmap.h |    1 +
 2 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/src/hashmap.c b/src/hashmap.c
index 95ea45d..7ef8097 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 16ffbd3..ab4363a 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);