From b8d9f64cdf009b7bde0b43309eee076fb952a6df Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 24 Jan 2011 21:35:50 +0000
Subject: [PATCH] api

---
 src/util/container_multihashmap.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/util/container_multihashmap.c b/src/util/container_multihashmap.c
index b5f663e67..579573bdb 100644
--- a/src/util/container_multihashmap.c
+++ b/src/util/container_multihashmap.c
@@ -335,6 +335,36 @@ GNUNET_CONTAINER_multihashmap_contains (const struct
 }
 
 
+/**
+ * Check if the map contains the given value under the given
+ * key.
+ *
+ * @param map the map
+ * @param key the key to test if a value exists for it
+ * @param value value to test for
+ * @return GNUNET_YES if such a value exists,
+ *         GNUNET_NO if not
+ */
+int GNUNET_CONTAINER_multihashmap_contains_value (const struct
+						  GNUNET_CONTAINER_MultiHashMap
+						  *map,
+						  const GNUNET_HashCode * key,
+						  const void *value)
+{
+  struct MapEntry *e;
+
+  e = map->map[idx_of (map, key)];
+  while (e != NULL)
+    {
+      if ( (0 == memcmp (key, &e->key, sizeof (GNUNET_HashCode))) &&
+	   (e->value == value) )
+        return GNUNET_YES;
+      e = e->next;
+    }
+  return GNUNET_NO;
+}
+
+
 /**
  * Grow the given map to a more appropriate size.
  *
-- 
2.25.1