Added indexer function that returns the name of the indexer

src/obiblob_indexer.h

@@ -159,6 +159,22 @@ inline Obi_blob_p obi_indexer_get(Obi_indexer_p indexer, index_t idx)
 }
 
 
+/**
+ * @brief Recovers the name of an indexer.
+ *
+ * @param indexer A pointer on the indexer.
+ *
+ * @returns A pointer on the name of the indexer.
+ *
+ * @since April 2016
+ * @author Celine Mercier (celine.mercier@metabarcoding.org)
+ */
+inline const char* obi_indexer_get_name(Obi_indexer_p indexer)
+{
+	return obi_avl_group_get_name(indexer);
+}
+
+
 /**
  * @brief Builds an indexer name in the form columnname_columnversion_indexer.
  *