diff --git a/libraries/liblmdb/lmdb.h b/libraries/liblmdb/lmdb.h
index 736d190..f71df3c 100644
--- a/libraries/liblmdb/lmdb.h
+++ b/libraries/liblmdb/lmdb.h
@@ -819,6 +819,18 @@ int  mdb_env_get_fd(MDB_env *env, mdb_filehandle_t *fd);
         */
 int  mdb_env_set_mapsize(MDB_env *env, size_t size);

+       /** @brief Get the current mmap pointer
+        *
+        * @param[in] env An environment handle returned by #mdb_env_create()
+        * @param[out]  The address of the pointer to store mmap prt
+        * @return A non-zero error value on failure and 0 on success. Some possible
+        * errors are:
+        * <ul>
+        *      <li>EINVAL - an invalid parameter was specified.
+        * </ul>
+        */
+int  mdb_env_get_mmap_ptr(MDB_env *env, char **mmap_ptr);
+
        /** @brief Set the maximum number of threads/reader slots for the environment.
         *
         * This defines the number of slots in the lock table that is used to track readers in the
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index 213842a..33c05c5 100644
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3932,6 +3932,16 @@ mdb_env_set_mapsize(MDB_env *env, size_t size)
 }

 int ESECT
+mdb_env_get_mmap_ptr(MDB_env *env, char **arg)
+{
+       if (!env || !arg)
+               return EINVAL;
+
+       *arg = env->me_map;
+       return MDB_SUCCESS;
+}
+
+int ESECT
 mdb_env_set_maxdbs(MDB_env *env, MDB_dbi dbs)
 {
        if (env->me_map)